Hitachi VSP G400 User Manual

Moving parity groups............................................................................. 5-54
Checking result of CLPR transfer.............................................................5-55
Server Priority Manager operations.........................................................................5-55
Configuring Server Priority Manager by specifying ports and WWNs of HBAs....... 5-56
Controlling the priority of I/O operations in storage systems on servers.....5-56
Using and managing Server Priority Manager...........................................5-57
Setting SPM names for WWNs and registering them to the SPM group...... 5-58
Configuring Server Priority Manager by specifying ports and WWNs of HBAs
............................................................................................................5-58
Cautions about using Server Priority Manager..........................................5-63
Cautions when using host groups after registering them in SPM groups (VSP
only).................................................................................................... 5-65
Configuring Server Priority Manager by specifying LDEVs and WWNs or iSCSI names
of HBAs..........................................................................................................5-66
Virtual storage machine operations.........................................................................5-68
Creating host groups in a virtual storage machine............................................. 5-68
Adding LDEVs to a virtual storage machine.......................................................5-69
Removing the virtual storage machine..............................................................5-70
6 Data replication operations with CCI...................................................... 6-1
About data replication operations.............................................................................6-2
Features of paired volumes......................................................................................6-2
Using CCI with ShadowImage and TrueCopy............................................................ 6-3
Using CCI with Thin Image......................................................................................6-4
Using CCI with global-active device..........................................................................6-5
ShadowImage operations........................................................................................ 6-5
ShadowImage duplicated mirroring....................................................................6-6
ShadowImage cascading pairs...........................................................................6-7
Restrictions for ShadowImage cascading volumes......................................6-8
Restriction for TrueCopy/ShadowImage cascading volumes........................6-9
TrueCopy operations...............................................................................................6-9
TrueCopy takeover commands.........................................................................6-10
Takeover-switch function....................................................................... 6-12
Swap-takeover function......................................................................... 6-13
SVOL-takeover function......................................................................... 6-14
PVOL-takeover function......................................................................... 6-15
TrueCopy remote commands........................................................................... 6-15
TrueCopy local commands...............................................................................6-17
TrueCopy, ShadowImage, and Universal Replicator operations................................. 6-17
TrueCopy/ShadowImage volumes.................................................................... 6-17
TrueCopy/ShadowImage/Universal Replicator pair status...................................6-18
TrueCopy Async, TrueCopy, Universal Replicator, and global-active device volumes
..................................................................................................................... 6-24
Sidefile cache for TrueCopy Async.......................................................... 6-27
TrueCopy Async transition states and sidefile control............................... 6-27
TrueCopy Async/Universal Replicator error state......................................6-29
TrueCopy/TrueCopy Async and Universal Replicator/global-active device fence level
settings..........................................................................................................6-30
Setting the fence level........................................................................... 6-32
Copy-on-Write Snapshot operations........................................................................6-33
Copy-on-Write Snapshot volumes.....................................................................6-33
Pair operations and commands for Copy-on-Write Snapshot and Thin Image ..... 6-34
vii
Command Control Interface User and Reference Guide

Hitachi VSP G400 Specifications

General

Brand	Hitachi
Model	VSP G400
Category	Storage
Language	English