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Storage Migration - Fujitsu ETERNUS DX60 S3 User Manual

Disk storage systems, all-flash arrays.
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Chapter 2 System Status

2.10 Storage Migration

2.10
Storage Migration
This function displays the setting and progress of Storage Migration.
Storage Migration is the function for migrating data by connecting other storage systems (migration source)
and the ETERNUS DX/AF (migration destination). Data migration is possible regardless of the server and the
OS, and without using server resources.
When performing a Storage Migration, confirm that there is no access from the host to the migration
source volume.
The requirements for access from the host to the destination volumes varies depending on the operation
mode.
-
For "Migration & Host IO", Storage Migration can be performed even if host access exists in the
migration destination volume after a migration is started.
-
For "Migration", "Migration + Quick Compare", or "Quick Compare", perform a Storage Migration
without access from the host to the destination volume.
-
For "Migration + Full Compare" or "Full Compare", perform a Storage Migration without access from the
host to any volume in the destination storage system.
The path groups must be deleted after the data migration is complete. If the operation mode is
"Migration & Host IO", the ETERNUS DX/AF is in one of the following conditions until the path groups are
deleted.
-
The host I/O response is reduced.
-
If the migration path is blocked, the host I/O may stop.
Do not perform the following operations when there are Storage Migration paths (hereinafter referred to
as "path group") established.
-
Configuration of an Advanced Copy destination to the migration destination volume
-
Configuration of an Advanced Copy destination to the migration source volume
-
Formatting of the destination volume
-
RAID diagnosis in the RAID group to which the destination volume belongs
-
Disk diagnosis of the disk drives in the RAID group to which the destination volume belongs
-
CM hot expansion on the destination storage system
-
Memory hot expansion on the destination storage system
63
ETERNUS Web GUI User's Guide (Operation)
Copyright 2016 FUJITSU LIMITED
P2X0-1260-19ENZ0

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