HP StorageWorks 70 HP StorageWorks Replication Solutions Manager 4.0.1 user gu - Page 435
Instant restore from snapclones, Instant restore from snapshots, Instant restore
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Scenario, restoring from "the most recent" 1. Create a mirrorclone of the disk to be restored at some future date. Procedure. 2. Leave the mirrorclone in a synchronized state with its source. The mirrorclone always contains the most recent data. 3. When necessary to restore the disk, fracture its mirrorclone. Procedure 4. When a restore is required, restore the disk from its mirrorclone. Procedure. Instant restore from snapclones This feature allows you to restore data on a virtual disk with data from one of its snapclones. For example, restore the virtual disk named sales_db with the data from it's snapclone sales_db_backup. sales_db
Scenario, restoring from "the most recent"
1.
Create a mirrorclone of the disk to be restored at some future date.
Procedure
.
2.
Leave the mirrorclone in a synchronized state with its source. The mirrorclone always contains
the most recent data.
3.
When necessary to restore the disk, fracture its mirrorclone.
Procedure
4.
When a restore is required, restore the disk from its mirrorclone.
Procedure
.
Instant restore from snapclones
This feature allows you to restore data on a virtual disk with data from one of its snapclones. For example,
restore the virtual disk named
sales_db
with the data from it’s snapclone
sales_db_backup
.
sales_db
<======
sales_db_backup
disk being restored
replica to restore from
(snapclone)
See also,
instant restore overview (virtual disks)
.
Scenario, restoring from "planned points-in-time"
1.
At the points-in-time you want (for example, daily), create snapclones or preallocated snapclones
of the disk. The snapclones contain point-in-time data. Procedures:
creating snapclones
and
creating preallocated snapclones
.
2.
When necessary, restore the disk from an appropriate snapclone.
Procedure
.
Instant restore from snapshots
This feature allows you to restore data on a virtual disk with data from one of its snapshots. For example,
restore the virtual disk named
sales_db
with the data from one of its snapshots
sales_db_backup_B
.
sales_db_backup_C
|
sales_db
<======
sales_db_backup_B
disk being restored
|
sales_db_backup_B
replicas to restore from
(snapshots)
See also,
instant restore overview (virtual disks)
.
Scenario, restoring from "planned points-in-time"
1.
At the points-in-time you want (for example, daily), create snapshots or preallocated snapshots
of the disk. The snapshots contain point-in-time data. Procedures:
creating snapshots
and
creating preallocated snapshots
.
2.
When necessary, restore the disk from an appropriate snapshot.
Procedure
.
Instant restore
The instant restore feature in the replication manager uses snapclone replication to copy the contents
of a virtual disk to a like-sized
container
. The container is then converted to a virtual disk. See
instantly restoring disks
.
HP StorageWorks Replication Solutions Manager 4.0.1
435