Flexible Tier Setup; Storage Migration - Fujitsu Eternus DX80 S2 User Manual

Chapter 3 Setup

3.3 Storage Migration

3.2.2

Flexible Tier Setup

For settings and operations to use the Flexible Tier functions, refer to "ETERNUS Web GUI
User's Guide" or "ETERNUS CLI User's Guide".
For details on settings and operation management when using Flexible Tier, refer to "ETERNUS
SF Storage Cruiser User's Guide".
3.3 Storage Migration
Storage Migration is a function that migrates the volume data from an old storage system to vol-
umes in a new storage system without using a server in cases such as when replacing a storage
system.
The source storage system and destination ETERNUS DX Disk storage system are physically
connected using cables. Data read from the target volume in the Migration Source is written to
the Destination volume in the ETERNUS DX Disk storage system.
Since Storage Migration is controlled by ETERNUS DX Disk storage system controllers, no
additional software functions are required.
This section describes the restrictions and notes on using Storage Migration.
For details on the Storage Migration procedure, refer to "ETERNUS Web GUI User's Guide".
• Data migration is performed in units of volumes.
• Up to 16 migration source devices can be specified.
• Up to eight migration paths can be created for each migration source device.
• The maximum number of migration volumes for each migration path is 512.
• Storage Migration can be performed when the migration destination device has a larger vol-
ume capacity than the migration source device.
• Volumes for which the volume type (Standard/Open, TPV, or SDV) is available for the host
affinity settings can be specified as migration source volumes.
Standard/Open or TPV type volumes can be specified as migration destination volumes.
• Storage Migration can be performed if the following conditions are satisfied:
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• The FC port mode of the migration destination device must be changed to "Initiator" and the
port parameters must be set.
• The migration paths must be deleted after Storage Migration is complete.
When deletion of the migration paths is complete, change the FC port mode from "Initiator" to
"CA" and set the port parameters. Set the host affinity setting to recognize migration destina-
tion volumes from the server.
ETERNUS DX80 S2/DX90 S2 Disk storage system User's Guide -Operation-
Stop server access to the migration source volumes and the migration destination vol-
umes.
Do not specify volumes with existing copy sessions as migration source or migration desti-
nation volumes.
Do not specify volumes that are being formatted as migration source volumes.
Do not perform the [Start RAID Group Diagnosis] function or the [Start Disk Diagnosis]
function in a migration source device.
Copyright 2012 FUJITSU LIMITED
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