Hp LeftHand P4000 Virtual SAN Appliance Software User Manual download pdf (Page 37)

Figure 14 Affordable disaster recovery example configuration

How this works for affordable disaster recovery

If the storage systems in your primary location fail or volumes become unavailable, the off-site

location contains the most recent remote snapshots.

• Use the remote snapshots to resume operations as shown in “Restoring from a remote volume”

(page 38). If you created tape backups, you can recover data from tape backups, as shown

in “Restoring from tape backup” (page 38).

• Only data written to the primary volumes since the last remote snapshot was created will be

unavailable.

• Application servers that were accessing the offline volumes will not be available until you

reconfigure them to access recovered data.

To resume operations using the most recent set of remote snapshots:

1. In the backup location, make the remote volume into a primary volume.

Using Remote Copy for business continuance 37

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Hp LeftHand P4000 Virtual SAN Appliance Software User Manual Page 37