HP 12000 HP VLS Solutions Guide Design Guidelines for Virtual Library Systems - Page 75

Using VLS in Larger VMWare Environments with HP Data Protector ZDB IR Backup

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Figure 32 Using VLS in Larger VMWare Environments with HP Data Protector ZDB IR Backup Recovery options: • Two step restore process that provides full recovery of VM and data ◦ Recover the VM image from VCB backup ◦ Required only in case the whole VM is lost or restore to a new ESX server • Recover Application Data ◦ For replication-based disc backups (IR), perform Instant Recovery ◦ For disc/tape backups, restore directly to the VM ◦ Recovery performed automatically by Data Protector as specified by user Solution advantages: • VCB snapshot-based backup is not really "application aware" whereas HP Data Protector ZDB quiesces the application prior to the hardware-based snapshot. It is much more suitable for live databases and email servers than VCB-based backups. • Remove the backup load from VM to a backup server with Data Protector Zero Downtime Backup • Reduce application recovery times from hours to minutes with Data Protector Instant Recovery • Easy copy to physical tape if required Solution trade-offs: • Limited to EVA & XP & LHN (Future) • Snapshots could take up large amount of EVA and XP space depending on frequency of snapshots- at extra cost Other information: A simple two step backup for complete protection: VLS Blueprints 75

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Figure 32 Using VLS in Larger VMWare Environments with HP Data Protector ZDB IR Backup
Recovery options
:
•
Two step restore process that provides full recovery of VM and data
Recover the VM image from VCB backup
◦
◦
Required only in case the whole VM is lost or restore to a new ESX server
•
Recover Application Data
For replication-based disc backups (IR), perform Instant Recovery
◦
◦
For disc/tape backups, restore directly to the VM
◦
Recovery performed automatically by Data Protector as specified by user
Solution advantages
:
•
VCB snapshot-based backup is not really “application aware” whereas HP Data Protector
ZDB quiesces the application prior to the hardware-based snapshot. It is much more suitable
for live databases and email servers than VCB-based backups.
•
Remove the backup load from VM to a backup server with Data Protector Zero Downtime
Backup
•
Reduce application recovery times from hours to minutes with Data Protector Instant Recovery
•
Easy copy to physical tape if required
Solution trade-offs
:
•
Limited to EVA & XP & LHN (Future)
•
Snapshots could take up large amount of EVA and XP space depending on frequency of
snapshots- at extra cost
Other information
:
A simple two step backup for complete protection:
VLS Blueprints
75