Hitachi VSP G400 User Guide

Pair operations when a P-VOL is shared by multiple S-VOLs................................. 95
Differences between Thin Image and ShadowImage........................................... 96
3 Configuring Thin Image........................................................................99
Prerequisites for configuring Thin Image................................................................ 100
Workflow for configuring Thin Image..................................................................... 100
Workflow for creating and managing Thin Image pairs...................................... 101
Creating Thin Image data pools....................................................................... 101
Selecting pool volumes....................................................................................104
Pool creation and data drive type priority..........................................................106
Workflow for registering virtual volumes.................................................................107
Editing the SSID for virtual volumes (VSP G1000, G1500, and VSP F1500).......... 107
Changing V-VOL settings................................................................................. 110
Creating V-VOLs for Thin Image S-VOLs........................................................... 113
Removing LDEVs from registering tasks...................................................... 117
Recognizing devices from the host server....................................................119
Host server stoppages and device recognition issues....................................120
Overview of using CCI to run commands through in-band connections.....................120
Changing system options that affect Thin Image performance................................. 121
4 Managing Thin Image Pairs.................................................................125
Thin Image pair tasks...........................................................................................127
Checking Thin Image pair status........................................................................... 127
Reloading Thin Image configuration information..................................................... 128
Workflow for creating and managing Thin Image pairs............................................128
Workflow for creating Thin Image pairs using Device Manager - Storage Navigator... 129
Creating Thin Image pairs using Device Manager - Storage Navigator...................... 130
Selecting a pool as your primary volume...........................................................133
Example of creating complex Thin Image pairs.......................................................133
Creating Thin Image pairs and defining them in snapshot or consistency groups using
CCI..................................................................................................................... 134
Workflow for defining Thin Image pairs and defining them in snapshot or consistency
groups using Device Manager - Storage Navigator.................................................. 135
Storing snapshot data or cloning pairs................................................................... 135
Splitting Thin Image pairs to store snapshot data................................................... 136
Splitting Thin Image pairs to store snapshot data using CCI...............................137
Workflow for storing snapshot data or clone pairs in consistency groups.................. 137
Using consistency group pair-split with shared volumes..................................... 138
Restoring Thin Image pairs................................................................................... 141
Failure during Thin Image pair restore..............................................................142
Restoring suspended Thin Image pairs............................................................. 143
Thin Image pair resynchronization.........................................................................143
Pair resynchronization methods........................................................................143
Resynchronizing Thin Image pairs....................................................................144
Assigning MU numbers to deleted snapshot data.................................................... 145
Deleting snapshot data......................................................................................... 145
Deleting Thin Image pairs.....................................................................................146
Accelerating the Thin Image pair deletion process.............................................148
Removing Thin Image snapshot groups............................................................ 148
Assigning secondary volumes to Thin Image pair snapshot data.............................. 148
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Hitachi Thin Image User Guide for Hitachi Virtual Storage Platform G Series and F Series

Hitachi VSP G400 Specifications

General

Brand	Hitachi
Model	VSP G400
Category	Storage
Language	English