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Group Administration Table of Contents
viii
11 Snapshot management.................................................................................................................... 11-1
About snapshots .................................................................................................................................................... 11-1
About snapshot reserve allocation......................................................................................................................... 11-2
About snapshot access controls............................................................................................................................. 11-2
About snapshot reserve settings ............................................................................................................................ 11-2
About snapshot schedules ..................................................................................................................................... 11-3
Modifying snapshot reserve settings for a volume................................................................................................ 11-3
Creating snapshots................................................................................................................................................. 11-3
Displaying snapshots for a volume ....................................................................................................................... 11-4
Displaying snapshot details for a volume ............................................................................................................. 11-4
Displaying details of an individual snapshot......................................................................................................... 11-4
Snapshot status tab.......................................................................................................................................... 11-5
Snapshot access control tab ............................................................................................................................ 11-5
About snapshot collections.................................................................................................................................... 11-5
Creating a snapshot collection........................................................................................................................ 11-6
Displaying snapshot collections ..................................................................................................................... 11-6
Displaying snapshot collection details ........................................................................................................... 11-6
Creating a custom snapshot collection ........................................................................................................... 11-7
Displaying custom snapshot collections......................................................................................................... 11-7
Displaying snapshot collection status............................................................................................................. 11-8
Modifying a snapshot collection name or description.................................................................................... 11-8
Deleting a snapshot collection........................................................................................................................ 11-8
Restoring a volume from a snapshot..................................................................................................................... 11-9
Cloning a snapshot to create a new volume .......................................................................................................... 11-9
Modifying snapshot properties............................................................................................................................ 11-10
Modifying a snapshot name or description................................................................................................... 11-10
Modifying the snapshot alias........................................................................................................................ 11-10
Setting a snapshot online or offline..................................................................................................................... 11-11
Modifying snapshot permission .......................................................................................................................... 11-11
Allowing or disallowing multi-host snapshot access .......................................................................................... 11-11
Deleting snapshots............................................................................................................................................... 11-12
12 Volume replication.......................................................................................................................... 12-1
About replication................................................................................................................................................... 12-1
About replicas ....................................................................................................................................................... 12-1
How replication works .......................................................................................................................................... 12-2
About manual transfer replication......................................................................................................................... 12-3
Manual Transfer Utility.................................................................................................................................. 12-3
Replication configuration options ......................................................................................................................... 12-4
Replication to one partner............................................................................................................................... 12-4
Replication to multiple partners ..................................................................................................................... 12-4
Reciprocal replication between partners......................................................................................................... 12-5
Centralized replication.................................................................................................................................... 12-5
How volume changes affect replication space ...................................................................................................... 12-6
Best practice for replicating volumes.................................................................................................................... 12-6
About replication space......................................................................................................................................... 12-7
About local replication reserve ............................................................................................................................. 12-8
Guidelines for sizing local replication reserve ............................................................................................... 12-9
Sizing local replication reserve for use during replication........................................................................... 12-10
Sizing the local replication reserve for the failback snapshot ...................................................................... 12-10
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