Hitachi TAGMASTORE MK-90RD011-25 Uživatelský manuál

MK-90RD011-25 Hitachi Command Control Interface (CCI) User and Reference Guide Hitachi Universal Storage Platform V/VM Hitachi TagmaStore® Univers

x Contents 2.8.11 Log and Trace Files ... 75 2.8.12 User-Created Files ...

82 Chapter 2 Overview of CCI Operations HORCM_MON #ip_address service poll(10ms) timeout(10ms) HST1 horcm0 1000

Hitachi Command Control Interface (CCI) User and Reference Guide 83 Example of CCI commands with Instance-0 on HOSTA:  When the command execution

84 Chapter 2 Overview of CCI Operations The command device is defined using the system raw device name (character-type device file name). For exampl

Hitachi Command Control Interface (CCI) User and Reference Guide 85  Linux, zLinux: HORCM_CMD of HOSTA = /dev/sdX HORCM_CMD of HOSTB = /dev/sdX H

86 Chapter 2 Overview of CCI Operations C1 /dev/rdsk/c1t2d1 /dev/rdsk/c1t2d2 /dev/rdsk/c1t0d1 SCSI port HOST D Ip address:HST4 HORCM 構CONF.

Hitachi Command Control Interface (CCI) User and Reference Guide 87 HORCM_MON#ip_address service poll(10ms) timeout(10ms)HST1 h

88 Chapter 2 Overview of CCI Operations Example of CCI commands with HOSTA (group Oradb):  When the command execution environment is not set, set

Hitachi Command Control Interface (CCI) User and Reference Guide 89 Example of CCI commands with HOSTA (group Oradb1):  When the command executio

90 Chapter 2 Overview of CCI Operations Example of CCI commands with HOSTA (group Oradb2):  When the command execution environment is not set, set

Hitachi Command Control Interface (CCI) User and Reference Guide 91 The command device is defined using the system raw device name (character-type

Hitachi Command Control Interface (CCI) User and Reference Guide xi 4.7 Checking Attribute and Status (Pairvolchk) ...

92 Chapter 2 Overview of CCI Operations LAN HORCM_MON #ip_address service poll(10ms) timeout(10ms) HST1 horcm0 1000

Hitachi Command Control Interface (CCI) User and Reference Guide 93 Example of CCI commands with Instance-0 on HOSTA:  When the command execution

94 Chapter 2 Overview of CCI Operations  Designate a group name and display pair status. # pairdisplay -g oradb -m cas Group PairVol(L/R) (Port#

Hitachi Command Control Interface (CCI) User and Reference Guide 95  Windows 2008/2003/2000: HORCM_CMD of HOSTA(/etc/horcm.conf) ... \\.\CMD-Ser#

96 Chapter 2 Overview of CCI Operations LAN HORCM_MON #ip_address service poll(10ms) timeout HST1 horcm 1000 3000 HORCM_CMD #d

Hitachi Command Control Interface (CCI) User and Reference Guide 97 Example of CCI commands with HOSTA and HOSTB:  Designate a group name (Oradb)

98 Chapter 2 Overview of CCI Operations  Designate a group name and display pair status on TrueCopy environment of HOSTB. # pairdisplay -g oradb -

Hitachi Command Control Interface (CCI) User and Reference Guide 99 2.9.1 Configuration Definition for Cascading Volume Pairs The CCI software (HO

100 Chapter 2 Overview of CCI Operations Table 2.13 Mirror Descriptors and Group Assignments MU#0 ShadowImage (Snapshot) Only Univ Rep Only HORCM

Hitachi Command Control Interface (CCI) User and Reference Guide 101 2.9.1.2 Cascade Function and Configuration Files A volume of the cascading co

xii Contents 4.18 LDM Volume Discovery and Flushing for Windows ... 307 4.18.1 Volume Discovery Function...

102 Chapter 2 Overview of CCI Operations 2.9.1.3 ShadowImage ShadowImage is a mirror configuration within one storage system. Therefore, ShadowImag

Hitachi Command Control Interface (CCI) User and Reference Guide 103 SVOL270P/SVOL268266272Oradb1OradbOradb21200/dev/rdsk/c0t3d4 # pairdisplay -d /

104 Chapter 2 Overview of CCI Operations 2.9.1.4 Cascading Connections for Hitachi TrueCopy and ShadowImage The cascading connections for Hitachi T

Hitachi Command Control Interface (CCI) User and Reference Guide 105 Figure 2.50 - Figure 2.53 show Hitachi TrueCopy/ShadowImage cascading configur

106 Chapter 2 Overview of CCI Operations S/PVOL268266SVOL270272OradbOradb1Oradb201Seq#30052Seq#30053 # pairdisplay -g oradb1 -m cas Group PairVol(

Hitachi Command Control Interface (CCI) User and Reference Guide 107 2.10 Error Monitoring and Configuration Confirmation CCI supports error monit

108 Chapter 2 Overview of CCI Operations 2.10.3 Pair Status Display and Configuration Confirmation The CCI pairing function (configuration definiti

Hitachi Command Control Interface (CCI) User and Reference Guide 109 2.11 Recovery Procedures for HA Configurations After configuring and starting

110 Chapter 2 Overview of CCI Operations DisconnectedContinue (regression)Host AHost BPVolSVolHost AHost BPVolSVolHost AHost BPVolSVolContinue (regr

Hitachi Command Control Interface (CCI) User and Reference Guide 111 Chapter 3 Preparing for CCI Operations This chapter covers the following topi

Hitachi Command Control Interface (CCI) User and Reference Guide xiii List of Figures Figure 2.1 Concept of Paired Volumes ...

112 Chapter 3 Preparing for CCI Operations 3.1 System Requirements CCI operations involve the CCI software on the UNIX/PC server host and the RAID

Hitachi Command Control Interface (CCI) User and Reference Guide 113  Hitachi RAID storage system(s). The Hitachi TagmaStore USP, Hitachi TagmaSt

114 Chapter 3 Preparing for CCI Operations 3.1.1 Supported Platforms Table 3.1 – Table 3.8 list the supported platforms for CCI operations. Table 3

Hitachi Command Control Interface (CCI) User and Reference Guide 115 Table 3.2 Supported Platforms for ShadowImage Vendor Operating System Failove

116 Chapter 3 Preparing for CCI Operations Table 3.3 Supported Platforms for TrueCopy Async Vendor Operating System Failover Software Volume Manage

Hitachi Command Control Interface (CCI) User and Reference Guide 117 Table 3.4 Supported Platforms for Universal Replicator Vendor Operating Syst

118 Chapter 3 Preparing for CCI Operations Table 3.6 Supported Guest OS for VMware VM Vendor Layer Guest OS CCI Support Confirmation Volume Map

Hitachi Command Control Interface (CCI) User and Reference Guide 119 Table 3.8 Supported Platforms: IPv4 vs IPv6 CCI / IPv6 [Note 1] IPv6 IPv6 HP

120 Chapter 3 Preparing for CCI Operations 3.1.2 Using CCI with Hitachi and Other RAID Storage Systems Table 3.9 shows the related two controls bet

Hitachi Command Control Interface (CCI) User and Reference Guide 121 : Common API/CLI commands are allowed under both installation only. CCIRaidMan

xiv Contents Figure 2.48 Pairdisplay on HORCMINST0 ... 102 Figure 2.49 Pairdisplay on HORCMI

122 Chapter 3 Preparing for CCI Operations The restrictions for using CCI with zLinux are:  Command device. CCI uses a SCSI Path-through driver to

Hitachi Command Control Interface (CCI) User and Reference Guide 123 3.1.4 Restrictions on VM 3.1.4.1 VMware ESX Server Whether CCI (RM) runs or

124 Chapter 3 Preparing for CCI Operations 5. Lun sharing between Guest and Host OS. It is not supported to share a command device or a normal Lun

Hitachi Command Control Interface (CCI) User and Reference Guide 125 CCI on AIX VIO should be used with the following restrictions: 1. Command dev

126 Chapter 3 Preparing for CCI Operations 3.1.5 About Platforms Supporting IPv6 Library and System Call for IPv6 CCI uses the following functions

Hitachi Command Control Interface (CCI) User and Reference Guide 127 Environment Variable CCI loads and links the library for IPv6 by specifying a

128 Chapter 3 Preparing for CCI Operations 3.2 Hardware Installation Installation of the hardware required for CCI is performed by the user and the

Hitachi Command Control Interface (CCI) User and Reference Guide 129 3.3 Software Installation Installation of the CCI software on the host server

130 Chapter 3 Preparing for CCI Operations 5. Execute the HORCM installation command: # /HORCM/horcminstall.sh 6. Verify installation of the prope

Hitachi Command Control Interface (CCI) User and Reference Guide 131 3.3.2 Software Installation for Windows Systems Make sure to install CCI on a

Hitachi Command Control Interface (CCI) User and Reference Guide xv Figure 4.32 Raidvchkset Command Examples ...

132 Chapter 3 Preparing for CCI Operations New installation. To install the CCI software on an OpenVMS® system: 1. Insert and mount the provided CD

Hitachi Command Control Interface (CCI) User and Reference Guide 133 3.3.4 Changing the CCI User (UNIX Systems) The CCI software is initially conf

134 Chapter 3 Preparing for CCI Operations 3.3.5 Changing the CCI User (Windows Systems) Usually, RAID Manager commands can only be executed by the

Hitachi Command Control Interface (CCI) User and Reference Guide 135 CCI Administrator Tasks 1. Establish the HORCM (/etc/horcmgr) startup environ

136 Chapter 3 Preparing for CCI Operations 3.3.6 Uninstallation Uninstalling permanently removes software. Uninstallation for UNIX systems. To unin

Hitachi Command Control Interface (CCI) User and Reference Guide 137 3.4 Creating/Editing the Configuration File The configuration definition file

138 Chapter 3 Preparing for CCI Operations Table 3.10 Configuration (HORCM_CONF) Parameters Parameter Default value Type Limit ip_address None Ch

Hitachi Command Control Interface (CCI) User and Reference Guide 139 3.5 Porting Notice for OpenVMS In the OpenVMS, the system call on UNIX are su

140 Chapter 3 Preparing for CCI Operations For example, using the Detached process: If you want to have the HORCM daemon running in the background,

Hitachi Command Control Interface (CCI) User and Reference Guide 141 (5) Command device. CCI uses the SCSI class driver for the purpose of accessin

xvi Contents Figure 4.82 Operation Across SLPRs Using two Command Devices on a Single Host ... 325 Figure 4.83 Operation Across SLPRs Using a S

142 Chapter 3 Preparing for CCI Operations (9) Option syntax and Case sensitivity. VMS users are not accustomed to commands being case sensitive and

Hitachi Command Control Interface (CCI) User and Reference Guide 143 (11) Privileges for using RAID Manager.  A user account for RAID Manager mus

144 Chapter 3 Preparing for CCI Operations For Installing: $ PRODUCT INSTALL RM /source=Device:[directory]/LOG - _$ /destination=SYS$POSIX_ROOT:[0

Hitachi Command Control Interface (CCI) User and Reference Guide 145 3.5.2 Known Issues Rebooting on PAIR state (Writing disable) OpenVMS does no

146 Chapter 3 Preparing for CCI Operations 3.5.3 Start-up Procedures Using Detached Process on DCL (1) Create the shareable Logical name for RAID i

Hitachi Command Control Interface (CCI) User and Reference Guide 147 (3) Discover and describe the command device on SYS$POSIX_ROOT:[etc]horcm0.con

148 Chapter 3 Preparing for CCI Operations (6) Describe the known HORCM_DEV on SYS$POSIX_ROOT:[etc]horcm*.conf For horcm0.conf HORCM_DEV #dev_group

Hitachi Command Control Interface (CCI) User and Reference Guide 149 3.5.4 Command Examples in DCL (1) Setting the environment variable by using S

150 Chapter 3 Preparing for CCI Operations (6) Making the configuration file automatically. You will be able to omit the step from (3) to (6) on Sta

Hitachi Command Control Interface (CCI) User and Reference Guide 151 (7) Using $1$* naming as native device name. You are able to use the native

Hitachi Command Control Interface (CCI) User and Reference Guide xvii Table 4.12 Results of Pairmon Command Options ...

152 Chapter 3 Preparing for CCI Operations 3.5.5 Start-up Procedures in Bash CCI (RAID Manager) does not recommend to be used through the bash, bec

Hitachi Command Control Interface (CCI) User and Reference Guide 153 (3) Discover and describe the command device on /etc/horcm0.conf. bash$ inqra

154 Chapter 3 Preparing for CCI Operations (6) Describe the known HORCM_DEV on /etc/horcm*.conf. FOR horcm0.conf HORCM_DEV #dev_group dev_name

Hitachi Command Control Interface (CCI) User and Reference Guide 155 3.6 CCI Startup After you have installed the CCI software (see section 3.3),

156 Chapter 3 Preparing for CCI Operations Two Instances. To start up two instances of CCI on a UNIX system: 1. Modify /etc/services to register th

Hitachi Command Control Interface (CCI) User and Reference Guide 157 3.6.2 Startup for Windows Systems One Instance. To start up one instance of C

158 Chapter 3 Preparing for CCI Operations 3.6.3 Startup for OpenVMS® Systems One Instance. To start up one instance of CCI on an OpenVMS® system:

Hitachi Command Control Interface (CCI) User and Reference Guide 159 Two Instances. To start up two instances of CCI on a OpenVMS® system: 1. Crea

160 Chapter 3 Preparing for CCI Operations 3.7 Starting CCI as a Service (Windows Systems) Usually, CCI (HORCM) is started by executing the start-u

Hitachi Command Control Interface (CCI) User and Reference Guide 161 3. Setting the user account. The system administrator must set the user accou

xviii Contents

162 Chapter 3 Preparing for CCI Operations

Hitachi Command Control Interface (CCI) User and Reference Guide 163 Chapter 4 Performing CCI Operations This chapter covers the following topics:

164 Chapter 4 Performing CCI Operations 4.1 Environmental Variables When activating HORCM or initiating a command, users can specify any of the env

Hitachi Command Control Interface (CCI) User and Reference Guide 165 Variable Functions ShadowImage command environmental variables $ HORCC_MRCF: S

166 Chapter 4 Performing CCI Operations 4.1.1 $HORCMINST and $HORCC_MRCF Supported Options The CCI command has depended on the $HORCMINST,HORCC_MRC

Hitachi Command Control Interface (CCI) User and Reference Guide 167 Table 4.2 Relationship Between -I[inst#] Option and $HORCMINST and HORCC_MRCF

168 Chapter 4 Performing CCI Operations 4.2 Creating Pairs (Paircreate) WARNING: Use the paircreate command with caution. The paircreate command st

Hitachi Command Control Interface (CCI) User and Reference Guide 169 Table 4.3 Paircreate Command Parameters Parameter Value Command Name paircre

170 Chapter 4 Performing CCI Operations Parameter Value Options -h: Displays Help/Usage and version information. -q: Terminates the interactive mod

Hitachi Command Control Interface (CCI) User and Reference Guide 171 Parameter Value Returned values This command sets the following returned valu

Hitachi Command Control Interface (CCI) User and Reference Guide 1 Chapter 1 Overview of CCI Functionality 1.1 Overview of Command Control Interf

172 Chapter 4 Performing CCI Operations Table 4.4 Specific Error Codes for Paircreate Category Error Code Error Message Recommended Action Valu

Hitachi Command Control Interface (CCI) User and Reference Guide 173 4.3 Splitting and Deleting Pairs (Pairsplit) The pairsplit command stops upda

174 Chapter 4 Performing CCI Operations Table 4.5 Pairsplit Command Parameters Parameter Value Command Name pairsplit Format pairsplit {-h ⎪ -q ⎪

Hitachi Command Control Interface (CCI) User and Reference Guide 175 Options Note: Only one pairsplit option (-r, -rw, -S, -R, or -P) can be specif

176 Chapter 4 Performing CCI Operations Returned values Normal termination: 0. When splitting groups, 0 = normal termination for all pairs. Abnorma

Hitachi Command Control Interface (CCI) User and Reference Guide 177 Table 4.6 Specific Error Codes for Pairsplit Category Error Code Error Mess

178 Chapter 4 Performing CCI Operations 4.3.1 Timing Pairsplit Operations The pairsplit command terminates after verifying that the status has chan

Hitachi Command Control Interface (CCI) User and Reference Guide 179 4.3.2 Deleting Pairs (Pairsplit -S) The pair delete operation is executed by

180 Chapter 4 Performing CCI Operations 4.4 Resynchronizing Pairs (Pairresync) The pairresync command re-establishes a split pair and then restarts

Hitachi Command Control Interface (CCI) User and Reference Guide 181 Pair re-synchronizationcommandServer AServer BPrimaryvolume(Secondaryvolume)Se

2 Chapter 1 Overview of Hitachi Copy Solutions 1.2 Overview of Hitachi Data Replication Functions The Hitachi data replication features controlled

182 Chapter 4 Performing CCI Operations Table 4.7 Pairresync Command Parameters Parameter Value Command Name pairresync Format pairresync{ -h ⎪ -q

Hitachi Command Control Interface (CCI) User and Reference Guide 183 Parameter Value Options -h: Displays Help/Usage and version information. -q:

184 Chapter 4 Performing CCI Operations Parameter Value Returned values Normal termination: 0. When resynching groups, 0 = normal termination for al

Hitachi Command Control Interface (CCI) User and Reference Guide 185 Table 4.8 Specific Error Codes for Pairresync Category Error Code Error Mes

186 Chapter 4 Performing CCI Operations P-VOL S-VOLWrite DataR or R/WR/WNEW_SVOLNEW_PVOLR/WRpairresync -swaps on SVOLorpairresync -swapp on PVOLT0

Hitachi Command Control Interface (CCI) User and Reference Guide 187 4.5 Confirming Pair Operations (Pairevtwait) The pair event waiting (pairevtw

188 Chapter 4 Performing CCI Operations Parameter Value Options -h: Displays Help/Usage and version information. -q: Terminates the interactive mod

Hitachi Command Control Interface (CCI) User and Reference Guide 189 Parameter Value Returned values When the -nowait option is specified: Normal

190 Chapter 4 Performing CCI Operations ShadowImage Environment pairevtwait -g oradb1 -s psus -t 10 -FHORCSVOLP/PVOLSVOLSVOLOra(TrueCopy)Oradb1(S

Hitachi Command Control Interface (CCI) User and Reference Guide 191 The horctakeover will suspend G2(CA-Jnl) automatically if horctakeover will re

Hitachi Command Control Interface (CCI) User and Reference Guide 3 1.2.2 Hitachi ShadowImage The ShadowImage data duplication feature enables you

192 Chapter 4 Performing CCI Operations 4.6 Monitoring Pair Activity (Pairmon) The pairmon command, which is connected to the HORCM daemon, obtains

Hitachi Command Control Interface (CCI) User and Reference Guide 193 Output of the pairmon command:  Group: This column shows the group name (dev

194 Chapter 4 Performing CCI Operations 4.7 Checking Attribute and Status (Pairvolchk) The pairvolchk command acquires and reports the attribute of

Hitachi Command Control Interface (CCI) User and Reference Guide 195 Parameter Value Options -h: Displays Help/Usage and version information. -q:

196 Chapter 4 Performing CCI Operations Parameter Value Returned values When the -ss option is not specified:  Normal termination: 1: The volume

Hitachi Command Control Interface (CCI) User and Reference Guide 197 Table 4.14 Specific Error Codes for Pairvolchk Category Error Code Error M

198 Chapter 4 Performing CCI Operations Figure 4.18 shows a pairvolchk example that acquires the status (PVOL_PSUS) of the intermediate P/Pvol throu

Hitachi Command Control Interface (CCI) User and Reference Guide 199 Table 4.15 Truth Table for Pairvolchk Group Status Display Status of Each V

200 Chapter 4 Performing CCI Operations Table 4.16 State Transition Table for HA Control Script Volume Attributes and Pair Status Results Executi

Hitachi Command Control Interface (CCI) User and Reference Guide 201 status SVOL_E Æ 5,6 never SVOL_E Æ 5,6 PDUB async SVOL Æ 5,6 21 S-VOL EX_E

4 Chapter 1 Overview of Hitachi Copy Solutions 1.2.4 Hitachi Copy-on-Write Snapshot Copy-on-Write (COW) Snapshot provides ShadowImage functionality

202 Chapter 4 Performing CCI Operations 4.7.1 Recovery in Case of SVOL-Takeover While the DC1 is conducting processing (normally state = 4), and wh

Hitachi Command Control Interface (CCI) User and Reference Guide 203 If after pairsplit operation, and when the DC2 takes over processing from the

204 Chapter 4 Performing CCI Operations In case of state No. 17: This case is pair suspend (using pairsplit command) by operator. The DC1 takes over

Hitachi Command Control Interface (CCI) User and Reference Guide 205 4.7.2 PVOL-PSUE-Takeover The horctakeover command executes PVOL-PSUE-takeover

206 Chapter 4 Performing CCI Operations Even though ESCON or FC has been connected to S-VOL, PVOL-PSUE-takeover is changed to the suspend state with

Hitachi Command Control Interface (CCI) User and Reference Guide 207 4.7.4 SVOL-SSUS Takeover in Case of ESCON/Fibre/Host Failure The SVOL-Takeove

208 Chapter 4 Performing CCI Operations 4.7.5 Recovery from SVOL-SSUS-Takeover After recovery of the ESCON/FC link, this special state (PVOL_PSUE a

Hitachi Command Control Interface (CCI) User and Reference Guide 209 Failback without recovery on Host B. After recovery of the ESCON/FC link and h

210 Chapter 4 Performing CCI Operations 4.7.6 SVOL-Takeover in Case of Host Failure After SVOL-takeover changed to the suspend (PAIR, PSUE Æ SSUS)

Hitachi Command Control Interface (CCI) User and Reference Guide 211 4.8 Displaying Pair Status (Pairdisplay) The pairdisplay command displays the

Hitachi Command Control Interface (CCI) User and Reference Guide 5 1.3 Overview of Hitachi Data Protection Functions The Hitachi data protection f

212 Chapter 4 Performing CCI Operations Parameter Value Options -h: Displays Help/Usage and version information. -q: Terminates the interactive mod

Hitachi Command Control Interface (CCI) User and Reference Guide 213 Parameter Value Returned values 1: The volume attribute is SMPL. 2: The volu

214 Chapter 4 Performing CCI Operations # pairdisplay -g oradb -fcx Group Pair Vol(L/R) (P,T#,L#), Seq#, LDEV#..P/S, Status, Fence, Copy%, P

Hitachi Command Control Interface (CCI) User and Reference Guide 215  (P,T#,L#) (TrueCopy) = port, TID, and LUN as described in the configuration

216 Chapter 4 Performing CCI Operations 4.9 Checking Hitachi TrueCopy Pair Currency (Paircurchk) The CCI paircurchk command checks the currency of

Hitachi Command Control Interface (CCI) User and Reference Guide 217 Notes: 1. To be confirmed = It is necessary to check the object volume, since

218 Chapter 4 Performing CCI Operations Table 4.20 Specific Error Code for Paircurchk Category Error Code Error Message Recommended Action Valu

Hitachi Command Control Interface (CCI) User and Reference Guide 219 4.10 Performing Hitachi TrueCopy Takeover Operations The Hitachi TrueCopy tak

220 Chapter 4 Performing CCI Operations Parameter Value Options -h: Displays Help/Usage and version information. -q: Terminates the interactive m

Hitachi Command Control Interface (CCI) User and Reference Guide 221 Category Error Code Error Message Recommended Action Value EX_EVOLCE Pai

6 Chapter 1 Overview of Hitachi Copy Solutions 1.3.2 Hitachi Data Retention Utility (Open LDEV Guard) Data Retention Utility (called Open LDEV Guar

222 Chapter 4 Performing CCI Operations Recovery from EX_EWSTOT: If horctakeover failed with [EX_EWSTOT], recover as follows: 1. Wait until the SVO

Hitachi Command Control Interface (CCI) User and Reference Guide 223 4.10.1 Horctakeover Command Functions 4.10.1.1 Takeover-Switch Function The

224 Chapter 4 Performing CCI Operations Notes: 1. NG = The takeover command is rejected, and the operation terminates abnormally. 2. Nop-Takeover =

Hitachi Command Control Interface (CCI) User and Reference Guide 225 4.10.1.3 SVOL-Takeover Function The SVOL-takeover function allows the takeove

226 Chapter 4 Performing CCI Operations 4.10.1.4 PVOL-Takeover Function The PVOL-takeover function releases the pair state as a group, since that m

Hitachi Command Control Interface (CCI) User and Reference Guide 227 4.10.2 Applications of the Horctakeover Command The basic Hitachi TrueCopy co

228 Chapter 4 Performing CCI Operations 1. horctakeover Communication with the primarysite is disabled. Accordingly, SVOL-takeover isexecuted SVOL-S

Hitachi Command Control Interface (CCI) User and Reference Guide 229 4.11 Displaying Configuration Information 4.11.1 Raidscan Command The raidsc

230 Chapter 4 Performing CCI Operations Parameter Value Options -h: Displays Help/Usage and version information. -q: Terminates the interactive mo

Hitachi Command Control Interface (CCI) User and Reference Guide 231 # raidscan -p cl1-r Port#, TargetID#, Lun# Num(LDEV#...) P/S, Status,

Hitachi Command Control Interface (CCI) User and Reference Guide 7 Chapter 2 Overview of CCI Operations This chapter provides a high-level descrip

232 Chapter 4 Performing CCI Operations  Vol.Type = logical unit (LU) type (e.g., OPEN-V, OPEN-9)

Hitachi Command Control Interface (CCI) User and Reference Guide 233  Group = group name (dev_group) as described in the configuration definition

234 Chapter 4 Performing CCI Operations 4.11.2 Raidar Command The raidar command displays configuration, status, and I/O activity information for t

Hitachi Command Control Interface (CCI) User and Reference Guide 235 # raidar -p cl1-a 15 6 -p cl1-b 14 5 -p cl1-a 12 3 -s 3 TIME[03] PO

236 Chapter 4 Performing CCI Operations 4.11.3 Raidqry Command The raidqry command (RAID query) displays the configuration of the connected host an

Hitachi Command Control Interface (CCI) User and Reference Guide 237 Table 4.26 Raidqry Command Parameters Parameter Value Command Name raidqry F

238 Chapter 4 Performing CCI Operations 4.12 Performing Data Protection Operations CCI supports the following three commands to set and verify the

Hitachi Command Control Interface (CCI) User and Reference Guide 239 Table 4.27 Raidvchkset Command Parameters Parameter Value Command Name raidv

240 Chapter 4 Performing CCI Operations Parameter Value -vg [type]: Specifies the following guard type to the target volumes for Data Retention Util

Hitachi Command Control Interface (CCI) User and Reference Guide 241 Setting for Oracle H.A.R.D Oracle 10g supports ASM (Automated Storage Manager)

8 Chapter 2 Overview of CCI Operations 2.1 Overview CCI allows you to perform Hitachi TrueCopy and ShadowImage operations by issuing TrueCopy and S

242 Chapter 4 Performing CCI Operations 4.12.2 Raidvchkdsp Command The raidvchkdsp command displays the parameters for validation checking of the s

Hitachi Command Control Interface (CCI) User and Reference Guide 243 Parameter Value Options -h: Displays Help/Usage and version information. -q:

244 Chapter 4 Performing CCI Operations raidvchkdsp -g vg01 -fd -v cflag Å Example of -fd option showing Unknown vol. Group PairVol Device

Hitachi Command Control Interface (CCI) User and Reference Guide 245 Output of the raidqvchkdsp command with -fe option:  EM: This column display

246 Chapter 4 Performing CCI Operations  SR-W-B-S: Displays the flags for checking regarding CHK-F1 in the data block. R = E: Checking for CHK-F1

Hitachi Command Control Interface (CCI) User and Reference Guide 247 Output of the raidqvchkdsp command with -v gflag option:  GI-C-R-W-S: This d

248 Chapter 4 Performing CCI Operations Output of the raidqvchkdsp command with -v pool option:  Bsize: This displays the data block size of the p

Hitachi Command Control Interface (CCI) User and Reference Guide 249 4.12.3 Raidvchkscan Command The raidvchkscan command displays the fibre port

250 Chapter 4 Performing CCI Operations Parameter Value Options -h: Displays Help/Usage and version information. -q: Terminates the interactive mo

Hitachi Command Control Interface (CCI) User and Reference Guide 251 # raidvchkscan -p CL1-A -v cflag PORT# /ALPA/C TID# LU# Seq# Num LDEV# BR

Hitachi Command Control Interface (CCI) User and Reference Guide 9 2.2 Features of Paired Volumes The logical volumes, which have been handled ind

252 Chapter 4 Performing CCI Operations  SR-W-B-S: Displays the flags for checking regarding CHK-F1 in the data block. R = E: Checking for CHK-F1

Hitachi Command Control Interface (CCI) User and Reference Guide 253 # raidvchkscan -p CL1-A -v gflag Å Example of -v gflag

254 Chapter 4 Performing CCI Operations # raidvchkscan -v pool -p CL2-d-0 PORT# /ALPA/C TID# LU# Seq# Num LDEV# Bsize Available Capaci

Hitachi Command Control Interface (CCI) User and Reference Guide 255 4.12.4 Raidvchkscan Command for Journal (UR) The raidvchkscan command support

256 Chapter 4 Performing CCI Operations Output of the raidqvchkscan command with -v jnl 0 option:  JID: Displays the journal group ID.  MU: Disp

Hitachi Command Control Interface (CCI) User and Reference Guide 257  Q-CNT: Displays the number of remaining Q-Markers within each journal volum

258 Chapter 4 Performing CCI Operations Table 4.33 lists information about the different journal volume statuses. QCNT=0 indicates that the number o

Hitachi Command Control Interface (CCI) User and Reference Guide 259 4.12.5 Raidvchkscan Command for Snapshot Pool and Dynamic Provisioning The ra

260 Chapter 4 Performing CCI Operations  Num: Displays the number of LDEV configured the SnapShot pool.  LDEV#: Displays the first number of LDE

Hitachi Command Control Interface (CCI) User and Reference Guide 261 4.13 Controlling CCI Activity 4.13.1 Horcmstart Command The horcmstart comma

10 Chapter 2 Overview of CCI Operations 2.2.1 ShadowImage Duplicated Mirroring Duplicated mirroring of a single primary volume is possible when the

262 Chapter 4 Performing CCI Operations 4.13.2 Horcmshutdown Command The horcmshutdown command is a shell script for stopping the HORCM application

Hitachi Command Control Interface (CCI) User and Reference Guide 263 4.13.3 Horcctl Command The HORCM and Hitachi TrueCopy software have logs that

264 Chapter 4 Performing CCI Operations Parameter Value Options -h: Displays Help/Usage and version information. -q: Terminates the interactive mo

Hitachi Command Control Interface (CCI) User and Reference Guide 265 4.13.4 3DC Control Command using HORC/UR NEW This is a scripted command for e

266 Chapter 4 Performing CCI Operations Parameter Value Options -h displays Help/Usage, and version information. -q terminates interactive mode

Hitachi Command Control Interface (CCI) User and Reference Guide 267 Note: Unrecoverable error should have been done without re-execute by handling

268 Chapter 4 Performing CCI Operations 4.13.4.1 Horctakeoff Command Examples 3 DC Multi Target L1 L2 L3 G1 G2 3 DC Multi Hop L1 L2 L3 G1 G2 G3 G3

Hitachi Command Control Interface (CCI) User and Reference Guide 269 3 DC Multi Hop L1 L2 L3 G1 G2 3 DC Multi Target L1 L2 L3 G1 G2 G3 G3  hor

270 Chapter 4 Performing CCI Operations 4.13.5 Windows Subcommands The CCI software provides subcommands for the Windows platforms which are execut

Hitachi Command Control Interface (CCI) User and Reference Guide 271 4.13.7 Drivescan Subcommand The drivescan subcommand displays the relationshi

Hitachi Command Control Interface (CCI) User and Reference Guide 11 2.2.2 ShadowImage Cascading Pairs ShadowImage provides a cascading function fo

272 Chapter 4 Performing CCI Operations 4.13.8 Portscan Subcommand The portscan subcommand displays the devices on the specified port(s). Table 4.4

Hitachi Command Control Interface (CCI) User and Reference Guide 273 4.13.9 Sync and Syncd Subcommands The sync (synchronization) subcommand sends

274 Chapter 4 Performing CCI Operations The following examples show the sync subcommand used as an option of the pairsplit command. For the example

Hitachi Command Control Interface (CCI) User and Reference Guide 275 4.13.10 Mount Subcommand The mount subcommand mounts the specified drive to th

276 Chapter 4 Performing CCI Operations The example in Figure 4.56executes mount from command option of the pairsplit, mounting the “F:” drive to pa

Hitachi Command Control Interface (CCI) User and Reference Guide 277 4.13.11 Umount and Umountd Subcommands The umount subcommand unmounts the spec

278 Chapter 4 Performing CCI Operations Note: The umount command flushes (sync) the system buffer of the associated drive before deleting the drive

Hitachi Command Control Interface (CCI) User and Reference Guide 279 4.13.12 Environment Variable Subcommands If no environment variables are set i

280 Chapter 4 Performing CCI Operations 4.14 CCI Command Tools 4.14.1 Inqraid Command Tool CCI provides the inqraid command tool for confirming th

Hitachi Command Control Interface (CCI) User and Reference Guide 281 Parameter Value -svinf[=PTN] (only Windows systems) -svinfex[=PTN] (for GPT

Hitachi Command Control Interface (CCI) User and Reference Guide iii Copyright © 2008 Hitachi Data Systems Corporation, ALL RIGHTS RESERVED Notice:

12 Chapter 2 Overview of CCI Operations 2.2.2.1 Restrictions for ShadowImage Cascading Volumes Pair Creation. Pair creation of SVOL (oradb1) can on

282 Chapter 4 Performing CCI Operations Parameter Value -CLIB -sort: This option is used to know how much pair is possible to create the paired v

Hitachi Command Control Interface (CCI) User and Reference Guide 283 HP-UX System: # ioscan -fun | grep rdsk | ./inqraid /dev/rdsk/c0t2d1 -> [HP

284 Chapter 4 Performing CCI Operations IRIX System with FC_AL: # ls /dev/rdsk/*vol | ./inqraid /dev/rdsk/dks1d6vol -> [SQ] CL2-D Ser = 30053 L

Hitachi Command Control Interface (CCI) User and Reference Guide 285 CHNO: Displays the channel number on the device adapter that recognizes on the

286 Chapter 4 Performing CCI Operations # ls /dev/sd* | ./inqraid -CLI DEVICE_FILE PORT SERIAL LDEV CTG H/M/12 SSID R:Group PRODUCT_ID

Hitachi Command Control Interface (CCI) User and Reference Guide 287 DEVICE_FILE: Displays the device file name only. WWN: CLIWP option displays Po

288 Chapter 4 Performing CCI Operations 4.14.2 Mkconf Command Tool The mkconf command tool is used to make a configuration file from a special file

Hitachi Command Control Interface (CCI) User and Reference Guide 289 # cd /tmp/test # cat /etc/horcmperm.conf | /HORCM/usr/bin/mkconf.sh -g ORA -i

290 Chapter 4 Performing CCI Operations Notes on mkconf:  A unitID is added to the Serial# order. If two or more command devices exist in the stor

Hitachi Command Control Interface (CCI) User and Reference Guide 291 4.15 Synchronous Waiting Command (Pairsyncwait) for Hitachi TrueCopy Async/UR

Hitachi Command Control Interface (CCI) User and Reference Guide 13 2.2.2.2 Restriction for TrueCopy/ShadowImage Cascading Volumes Pair restore (r

292 Chapter 4 Performing CCI Operations Table 4.48 lists and describes the pair synchronization waiting command parameters and returned values. Tabl

Hitachi Command Control Interface (CCI) User and Reference Guide 293 Parameter Value Options -h: Displays Help/Usage and version information. -

294 Chapter 4 Performing CCI Operations Parameter Value Returned values When the -nowait option is specified: Normal termination: 0: The status

Hitachi Command Control Interface (CCI) User and Reference Guide 295 Figure 4.71 shows examples of the pairsyncwait command with and without the -n

296 Chapter 4 Performing CCI Operations 4.16 Protection Facility The Protection Facility permits main operations to volumes that the user can see o

Hitachi Command Control Interface (CCI) User and Reference Guide 297 Table 4.50 Registration for the Mirror Descriptor Mirror Descriptor on Horcm.

298 Chapter 4 Performing CCI Operations 4.16.2 Examples for Configuration and Protected Volumes Case (1): Two Hosts (Figure 4.73). In protect mode

Hitachi Command Control Interface (CCI) User and Reference Guide 299 Grp1Grp2Horcm0.conf onHOST1volumes for Grp1volumes for Grp3Horcm0.conf onHOST2

300 Chapter 4 Performing CCI Operations 4.16.3 Target Commands for Protection The following commands are controlled by the Protection Facility: Hor

Hitachi Command Control Interface (CCI) User and Reference Guide 301 4.16.5 New Options for Security (1) raidscan -find inst. The -find inst optio

14 Chapter 2 Overview of CCI Operations 2.2.3 Hitachi TrueCopy Takeover Commands Figure 2.4 illustrates the server failover system configuration. W

302 Chapter 4 Performing CCI Operations (2) pairdisplay -f[d]. The -f[d] option shows the relation between the Device_File and the paired volumes (p

Hitachi Command Control Interface (CCI) User and Reference Guide 303  Windows systems. $HORCMPERM is “\WINNT\horcmperm.conf” or “\WINNT\horcmperm

304 Chapter 4 Performing CCI Operations 4.16.7 Environmental Variables $HORCMPROMOD. This environmental parameter turns protection mode ON as speci

Hitachi Command Control Interface (CCI) User and Reference Guide 305 4.16.8 Determining the Protection Mode Command Device The inquiry page is not

306 Chapter 4 Performing CCI Operations 4.17 Group Version Control for Mixed Storage System Configurations Before executing each option of a comman

Hitachi Command Control Interface (CCI) User and Reference Guide 307 4.18 LDM Volume Discovery and Flushing for Windows Windows systems support th

308 Chapter 4 Performing CCI Operations 4.18.1 Volume Discovery Function CCI supports the volume discovery function of three levels that shows the

Hitachi Command Control Interface (CCI) User and Reference Guide 309 inqraid $Phy -CLI DEVICE_FILE PORT SERIAL LDEV CTG H/M/12

310 Chapter 4 Performing CCI Operations 4.18.2 Mountvol Attached to Windows 2008/2003/2000 Systems The user must pay attention to ‘mountvol /D’ com

Hitachi Command Control Interface (CCI) User and Reference Guide 311 4.18.3 System Buffer Flushing Function The logical drive to be flushed can be

Hitachi Command Control Interface (CCI) User and Reference Guide 15 PrimarySecondarySecondaryPrimaryActiveStandbyS Æ AStandby Figure 2.5 Package T

312 Chapter 4 Performing CCI Operations 1. Offline backup used ‘raidscan-find sync’ for Windows NT file system: ‘raidscan-find sync’ flushes the sy

Hitachi Command Control Interface (CCI) User and Reference Guide 313 4. Online backup used ‘raidscan-find sync’ for Windows 2008/2003/2000 file sy

314 Chapter 4 Performing CCI Operations 4.19 Special Facilities for Windows 2008/2003/2000 Systems CCI provides the following special facilities fo

Hitachi Command Control Interface (CCI) User and Reference Guide 315 CCI adopts the following way with this point in view:  The user must save th

316 Chapter 4 Performing CCI Operations 4.19.2 GPT disk for Windows 2003/2008 Windows 2003/2008 supports the basic disk called “GPT disk” used GUID

Hitachi Command Control Interface (CCI) User and Reference Guide 317 D:\HORCM\etc>pairdisplay -l -fd -g URA | inqraid -svinfex=Harddisk [VOL6145

318 Chapter 4 Performing CCI Operations 4.19.3 Directory Mount Facility for Windows Systems The attached mountvol command into Windows (2008, 2003,

Hitachi Command Control Interface (CCI) User and Reference Guide 319 Mount and Sync used Volume{GUID} for Windows 2008/2003/2000: RAID Manager supp

320 Chapter 4 Performing CCI Operations 4.20 Host Group Control The Hitachi RAID storage systems (9900V and later) have the defined host group in t

Hitachi Command Control Interface (CCI) User and Reference Guide 321 4.20.2 Commands and Options Including a Host Group (1) Specifiable command fo

16 Chapter 2 Overview of CCI Operations Commands CommandsHORCM (CCI) HORCM(CCI) Host A Host B Server software Server softwareOperation Management

322 Chapter 4 Performing CCI Operations 4.21 Using CCI SLPR Security The Virtual Partition Manager (VPM) feature of the Hitachi RAID storage system

Hitachi Command Control Interface (CCI) User and Reference Guide 323 4.21.1 Specifying the SLPR Protection Facility When you want to access certai

324 Chapter 4 Performing CCI Operations 4.21.2 SLPR Configuration Examples 4.21.2.1 Single Host Figure 4.81 provides an example of when control is

Hitachi Command Control Interface (CCI) User and Reference Guide 325 SLPR0 SLPR# M

326 Chapter 4 Performing CCI Operations 4.21.2.2 Dual Hosts In the following example, the paircreate command is unable to operate the paired volume

Hitachi Command Control Interface (CCI) User and Reference Guide 327 To operate SLPR#N, share the command device. If HostB has a shared command dev

328 Chapter 4 Performing CCI Operations 4.21.2.3 TrueCopy Using Dual Hosts In the following example, the pair-operation command (except the -l opti

Hitachi Command Control Interface (CCI) User and Reference Guide 329 4.22 Controlling Volume Migration The volume migration including the external

330 Chapter 4 Performing CCI Operations (1) Command specification CCI operates the volume migration by specifying to the horcm*.conf as same SI and

Hitachi Command Control Interface (CCI) User and Reference Guide 331 4.22.2 Commands to Control the Volume Migration (1) Command for volume migrat

Hitachi Command Control Interface (CCI) User and Reference Guide 17 2.3 Overview of CCI ShadowImage Operations Figure 2.8 illustrates the ShadowIm

332 Chapter 4 Performing CCI Operations (3) Command for confirming the status It is possible to confirm the status for CC by using “-fe” option of t

Hitachi Command Control Interface (CCI) User and Reference Guide 333 (4) Command for discovering an external volume via the device file It is possi

334 Chapter 4 Performing CCI Operations  Group: This item shows physical position of an LDEV according to mapping of LDEV in the RAID storage syst

Hitachi Command Control Interface (CCI) User and Reference Guide 335 4.22.3 Relations between “cc” Command Issues and Status The migration volumes

336 Chapter 4 Performing CCI Operations 4.22.4 Restrictions for Volume Migration Volume migration must be used within the following restrictions: 

Hitachi Command Control Interface (CCI) User and Reference Guide 337 Chapter 5 Troubleshooting This chapter contains the following resources to ad

338 Chapter 5 Troubleshooting 5.1 General Troubleshooting If you have a problem with the CCI software, first make sure that the problem is not being

Hitachi Command Control Interface (CCI) User and Reference Guide 339 Condition Recommended Action Sharing volumes in a hot standby configuration Wh

340 Chapter 5 Troubleshooting Condition Recommended Action Error in paired volume operation Hitachi TrueCopy only: If an error occurs in duplicated wr

Hitachi Command Control Interface (CCI) User and Reference Guide 341 5.1.1 About Linux Kernel 2.6.9.XX supported ioctl(SG_IO) The RAID Manager cur

18 Chapter 2 Overview of CCI Operations 2.4 Hitachi TrueCopy/ShadowImage Volumes Hitachi TrueCopy commands allow you to create volume pairs consist

342 Chapter 5 Troubleshooting 5.2 Changing IO Way of the Command Device for AIX RAID Manager tries to use ioctl(DK_PASSTHRU) or SCSI_Path_thru as mu

Hitachi Command Control Interface (CCI) User and Reference Guide 343 5.3 Error Reporting Table 5.2 lists and describes the HORCM system log messag

344 Chapter 5 Troubleshooting Table 5.3 Command Error Messages Error Code Error Message Condition Recommended Action Value EX_COMERR Can’t be com

Hitachi Command Control Interface (CCI) User and Reference Guide 345 Error Code Error Message Condition Recommended Action Value EX_INVCMD In

346 Chapter 5 Troubleshooting Error Code Error Message Condition Recommended Action Value EX_EWSTOT Timeout waiting for specified status Detecte

Hitachi Command Control Interface (CCI) User and Reference Guide 347 Error Code Error Message Condition Recommended Action Value EX_ENXCTG No

348 Chapter 5 Troubleshooting The codes in Table 5.4 indicate generic errors returned by the following commands: horctakeover, paircurchk, paircreate,

Hitachi Command Control Interface (CCI) User and Reference Guide 349 The codes in Table 5.5 are generic error returned by the following commands: r

350 Chapter 5 Troubleshooting The codes in Table 5.6 are specific error returned by the following commands: horctakeover, paircurchk, paircreate, pair

Hitachi Command Control Interface (CCI) User and Reference Guide 351 5.4 Calling the Hitachi Data Systems Support Center If you need to call the H

Hitachi Command Control Interface (CCI) User and Reference Guide 19 2.4.1 TrueCopy/ShadowImage/Universal Replicator Volume Status Each TrueCopy pa

352 Chapter 5 Troubleshooting

Hitachi Command Control Interface (CCI) User and Reference Guide 353 Appendix A Maintenance Logs and Tracing Functions A.1 Log Files The CCI softw

354 Appendix A Maintenance Logs and Tracing Functions The start-up log, error log, trace, and core files are stored as shown in Table A.1. The user

Hitachi Command Control Interface (CCI) User and Reference Guide 355 Table A.2 Log Directories Directory Name Definition $HORCM LOG A directory

356 Appendix A Maintenance Logs and Tracing Functions A.4 Logging Commands for Audit RAID Manager supports the command error logging only, so this

Hitachi Command Control Interface (CCI) User and Reference Guide 357 The masking feature is to enable the tracing without changing their scripts. A

358 Appendix A Maintenance Logs and Tracing Functions  /HORCM/log*/horcc_HOST.conf file # For Example HORCC_LOGSZ=2048 #The masking variable #T

Hitachi Command Control Interface (CCI) User and Reference Guide 359 Appendix B Updating and Uninstalling CCI B.1 Uninstalling UNIX CCI Software

360 Appendix B Updating and Uninstalling CCI B.3 Uninstalling Windows CCI Software After verifying that the CCI software is not running, you can u

Hitachi Command Control Interface (CCI) User and Reference Guide 361 Appendix C Fibre-to-SCSI Address Conversion Disks connected with Fibre channe

20 Chapter 2 Overview of CCI Operations LEGEND for Table 2.2, Table 2.3, and Table 2.4:  Accepted = Accepted and executed. When operation terminat

362 Appendix C Fibre-to-SCSI Address Conversion Conversion table for Windows. The conversion table for Windows is based on conversion by an Emulex

Hitachi Command Control Interface (CCI) User and Reference Guide 363 C.1 LUN Configurations on the RAID Storage Systems The Hitachi RAID storage s

364 Appendix C Fibre-to-SCSI Address Conversion C.2 Fibre Address Conversion Tables Table C.2, Table C.3, and Table C.4 show the fibre address con

Hitachi Command Control Interface (CCI) User and Reference Guide 365 Table C.3 Fibre Address Conversion Table for Solaris and IRIX Systems (Table

366 Appendix C Fibre-to-SCSI Address Conversion Table C.4 Fibre Address Conversion Table for Windows Systems (Table 2) C5 (PhId5) C4 (PhId4) C3

Hitachi Command Control Interface (CCI) User and Reference Guide 367 Acronyms and Abbreviations 3DC three-data-center AL-PA arbitrated loop-physica

368 Acronyms and Abbreviations LBA logical block address LCP local control port LDEV logical device LDKC logical disk controller (used for USP V/VM

Hitachi Command Control Interface (CCI) User and Reference Guide 369 TID target ID UR Hitachi Universal Replicator USP Universal Storage Platform

370 Acronyms and Abbreviations

Hitachi Command Control Interface (CCI) User and Reference Guide 21 Table 2.3 Pair Status versus ShadowImage Commands ShadowImage Command Pa

iv Preface Source Documents for this Revision  RAID Manager Basic Specifications, revision 64 (3/24/2008) Changes in this Revision  Added support

22 Chapter 2 Overview of CCI Operations – The state changes for pairsplit are (WD = Write Disable, WE = Write Enable): If PVOL has non-reflected

Hitachi Command Control Interface (CCI) User and Reference Guide 23 2.4.2 TrueCopy Async, TrueCopy Sync CTG, and Universal Replicator Volumes Hita

24 Chapter 2 Overview of CCI Operations  Pair resynchronization: The pairresync command resynchronizes the secondary volume based on the primary v

Hitachi Command Control Interface (CCI) User and Reference Guide 25 2.4.2.1 Sidefile Cache for Hitachi TrueCopy Asynchronous The first-in-first-ou

26 Chapter 2 Overview of CCI Operations 2.4.2.2 Hitachi TrueCopy Asynchronous Transition States Hitachi TrueCopy Async volumes have special states

Hitachi Command Control Interface (CCI) User and Reference Guide 27 Table 2.6 State Table for Hitachi TrueCopy Sync vs. TrueCopy Async Description

28 Chapter 2 Overview of CCI Operations 2.4.2.3 TrueCopy Async/Universal Replicator ERROR State In the case of an ESCON or fibre-channel (FC) failu

Hitachi Command Control Interface (CCI) User and Reference Guide 29 Table 2.7 Relationship between Hitachi TrueCopy Pair Status and Fence Level

30 Chapter 2 Overview of CCI Operations [4] When fence level is async: TrueCopy Async/Universal Replicator uses asynchronous transfers to ensure the

Hitachi Command Control Interface (CCI) User and Reference Guide 31 2.5 Applications of Hitachi TrueCopy/ShadowImage Commands This section provide

Hitachi Command Control Interface (CCI) User and Reference Guide v Preface This document describes and provides instructions for installing and usi

32 Chapter 2 Overview of CCI Operations PrimaryPAIRSecondaryPAIRR/WSecondaryCOPYPrimaryCOPYW (Database flushing)ePair splitting (Read)dEvent waiting

Hitachi Command Control Interface (CCI) User and Reference Guide 33 OLTP (DB) serverDSS serverPrimaryPSUSSecondaryPSUSR/WR/WSMPLSMPLR/Wc Pair split

34 Chapter 2 Overview of CCI Operations OLTP (DB) serverDSS serverPrimaryPSUSSecondaryPSUSR/WR/WSMPLSMPLR/Wc Pair splitting (Simplex)e Pair gener

Hitachi Command Control Interface (CCI) User and Reference Guide 35 SecondaryPSUSPrimaryPSUSSMPLSMPLSecondaryPAIRPrimaryPAIRPrimaryPAIRSecondaryPAI

36 Chapter 2 Overview of CCI Operations SMPLSMPLPrimaryPAIRSecondaryPAIRSecondaryCOPYPrimaryCOPYSMPLSMPLPrimaryPSUSSecondaryPSUSf Pair splitting

Hitachi Command Control Interface (CCI) User and Reference Guide 37 2.6 Overview of Copy-on-Write Snapshot Operations Copy-on-Write Snapshot norma

38 Chapter 2 Overview of CCI Operations 2.6.1 Creating SnapShot The CCI command for creating a COW SnapShot pair is the same as for ShadowImage. Th

Hitachi Command Control Interface (CCI) User and Reference Guide 39 Primary volume S Secondary volume SRead/Write Copy on writeRead/WriteRestore c

40 Chapter 2 Overview of CCI Operations 2.7 Overview of CCI Data Protection Operations User data files are normally placed to a disk through some s

Hitachi Command Control Interface (CCI) User and Reference Guide 41 2.7.2 Restrictions on Database Validator  Oracle Tablespace Location – File

vi Preface Conventions for Storage Capacity Values Storage capacity values for logical devices (LDEVs) on the Hitachi RAID storage systems are calcula

42 Chapter 2 Overview of CCI Operations 2.7.3 Data Retention Utility/Open LDEV Guard The purpose of Data Retention Utility (DRU) (Open LDEV Guard o

Hitachi Command Control Interface (CCI) User and Reference Guide 43 2.7.4 Restrictions on Data Retention Utility Volumes  File systems using Dat

44 Chapter 2 Overview of CCI Operations 2.7.5 Operations The Hitachi storage systems (9900V and later) have parameters for the protection checking

Hitachi Command Control Interface (CCI) User and Reference Guide 45 2.8 CCI Software Structure Figure 2.20 illustrates the CCI software structure:

46 Chapter 2 Overview of CCI Operations 2.8.2 CCI Instance Configurations The basic unit of the CCI software structure is the CCI instance. Each co

Hitachi Command Control Interface (CCI) User and Reference Guide 47 Hitachi RAID HORC control HOMRCF control Object volumes Monitoring comman

48 Chapter 2 Overview of CCI Operations The four possible CCI instance configurations are:  One host connected to one storage system. Each CCI ins

Hitachi Command Control Interface (CCI) User and Reference Guide 49 LDEV #18 RAID HP-UX RM Solaris RM Windows RM RAIDCommand deviceWindowsRM-H

50 Chapter 2 Overview of CCI Operations 2.8.4 Configuration Definition File The CCI configuration definition file is the text file which defines co

Hitachi Command Control Interface (CCI) User and Reference Guide 51 HORCM_MON #ip_address service poll(10ms) timeout(10ms) HST1 horcm 1000 30

Hitachi Command Control Interface (CCI) User and Reference Guide vii  Hitachi TrueCopy User and Reference Guide, MK-92RD108  Open LDEV Guard Us

52 Chapter 2 Overview of CCI Operations HORCM_MON. The monitor parameter (HORCM_MON) defines the following values:  Ip_address: The network addres

Hitachi Command Control Interface (CCI) User and Reference Guide 53 HUBESCON®ESCON®unitID=0unitID=1CommanddeviceSer# 30015ESCON®/Fibre-channelComma

54 Chapter 2 Overview of CCI Operations dev_name for UNIX In UNIX SAN environment, there are situations when the device file name will be changed, a

Hitachi Command Control Interface (CCI) User and Reference Guide 55 HORCM_DEV. The device parameter (HORCM_DEV) defines the RAID storage system dev

56 Chapter 2 Overview of CCI Operations The following ports can only be specified for USP/NSC and USP V/VM: Basic Option Option Option CL5 an bn c

Hitachi Command Control Interface (CCI) User and Reference Guide 57  MU# for HORC/Universal Replicator: Defines the mirror unit number (0 - 3) of

58 Chapter 2 Overview of CCI Operations HORCM_MON #ip_address service poll(10ms) timeout(10ms) NONE horcm 1000 3000 . . HORCM_

Hitachi Command Control Interface (CCI) User and Reference Guide 59 Host RM command HORCM IPv6 Host RM commandHORCM IPv6 IPv6 HORCM_MON #ip_a

60 Chapter 2 Overview of CCI Operations In case of IPv4 mapped IPv6, it is possible to communicate between HORCM/IPv4 and HORCM/IPv6 using IPv4 mapp

Hitachi Command Control Interface (CCI) User and Reference Guide 61 In case of mixed IPv4 and IPv6, it is possible to communicate between HORCM/IPv

viii Preface

62 Chapter 2 Overview of CCI Operations HORCM_LDEV. The HORCM_LDEV parameter is used for specifying stable LDEV# and Serial# as the physical volumes

Hitachi Command Control Interface (CCI) User and Reference Guide 63 2.8.5 Command Device The Hitachi TrueCopy/ShadowImage commands are issued by t

64 Chapter 2 Overview of CCI Operations HORCM_CMD #dev_name dev_name dev_name /dev/rdsk/c1t66d36s2 /dev/rdsk/c2t66d36s2 Figure 2.31 Example of Al

Hitachi Command Control Interface (CCI) User and Reference Guide 65 2.8.7 Command Interface with Hitachi TrueCopy/ShadowImage When the CCI command

66 Chapter 2 Overview of CCI Operations 2.8.7.1 Command Competition The CCI commands are asynchronous commands issued via the SCSI interface. Accor

Hitachi Command Control Interface (CCI) User and Reference Guide 67 2.8.7.3 Issuing Commands for LDEV(s) within a LUSE Device A LUSE device is a g

68 Chapter 2 Overview of CCI Operations 2.8.8 Logical DKC per 64K LDEVs The Universal Storage Platform V/VM controller manages internal LDEV number

Hitachi Command Control Interface (CCI) User and Reference Guide 69 2.8.9 Command Device Guarding In the customer environment, a command device ma

70 Chapter 2 Overview of CCI Operations RAID Manager Read(Instance request) Getting LBA Write with LBA （to get configuration） Command devic

Hitachi Command Control Interface (CCI) User and Reference Guide 71 2.8.10 CCI Software Files The CCI software product consists of files supplied

Hitachi Command Control Interface (CCI) User and Reference Guide ix Contents Chapter 1 Overview of CCI Functionality...

72 Chapter 2 Overview of CCI Operations Table 2.11 CCI Files for Windows-based Systems No. Title File name Command name 001 HORCM \HORCM\etc\hor

Hitachi Command Control Interface (CCI) User and Reference Guide 73 No. Title File name Command name 034 Volume check \HORCM\usr\bin\pairvolchk.

74 Chapter 2 Overview of CCI Operations Table 2.12 CCI Files for OpenVMS®-based Systems No. Title File name Command name User 001 HORCM $ROOT:[H

Hitachi Command Control Interface (CCI) User and Reference Guide 75 2.8.11 Log and Trace Files The CCI software (HORCM) and Hitachi TrueCopy and S

76 Chapter 2 Overview of CCI Operations 2.9 Configuration Definition File Figure 2.36 - Figure 2.44 show examples of CCI configurations, the config

Hitachi Command Control Interface (CCI) User and Reference Guide 77 RAID Manager Read(Instance request) Getting LBA Write with LBA (to get configu

78 Chapter 2 Overview of CCI Operations The command device is defined using the system raw device name (character-type device file name). For exampl

Hitachi Command Control Interface (CCI) User and Reference Guide 79 HORCM_MON #ip_address service poll(10ms) timeout(10ms) HST1

80 Chapter 2 Overview of CCI Operations Example of CCI commands with HOSTA:  Designate a group name (Oradb) and a local host P- VOL a case. # pair

Hitachi Command Control Interface (CCI) User and Reference Guide 81 The command device is defined using the system raw device name (character-type