HP 12000 HP VLS Solutions Guide Design Guidelines for Virtual Library Systems - Page 68

Full Enterprise Backup and Disaster Recovery Capability

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Other information: HP strongly recommends using the backup application to perform the copy from VLS to physical tape. Single management console for all activities and better utilization of physical media through object copy technology. Full Enterprise Backup and Disaster Recovery Capability Company requirements: Full disaster recovery capability for an Enterprise Data center to replicate data automatically to another site in a cost effective manner with reduced fixed costs (intersite link costs). Solution: VLS with active-to-passive or active-to-active configuration using low bandwidth replication. Deduplication and target replication are licensable features at extra cost. Copy to physical tape at disaster recovery site for archiving and further disaster recovery options. Caveats: Allow 24 hours for replication. Scripting may be required on the target site for trickle background import of replicated cartridges to ISV software backup catalog. ISVs: HP Data Protector, Netbackup, and TSM only at this time. (Deduplication is the key enabler for deduplication-enabled replication.) Device configuration highlights: Setting up replication is done by creating echo copy pools. Identical cartridges are kept on source and target devices and report "up to date" when they are fully synchronized. Backup application configuration highlights: Two separate master servers are required with one at each site. Figure 28 Using VLS with Full Enterprise Backup and Disaster Recovery Capability Recovery options: Primary site data can be recovered directly from the VLS at primary site. If there is a total disaster at the primary site and all servers and VLS are lost, data can be recovered from the disaster recovery site in several ways: • At the disaster recovery site using a separate backup application, master server data can be recovered to the new servers. • A replacement VLS and servers can be installed at the primary site and data can be reverse replicated from the disaster recovery site over the low bandwidth link, although this is not 68 VLS Devices

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Other information
: HP strongly recommends using the backup application to perform the copy
from VLS to physical tape. Single management console for all activities and better utilization of
physical media through object copy technology.
Full Enterprise Backup and Disaster Recovery Capability
Company requirements:
Full disaster recovery capability for an Enterprise Data center to replicate
data automatically to another site in a cost effective manner with reduced fixed costs (intersite link
costs).
Solution
: VLS with active-to-passive or active-to-active configuration using low bandwidth replication.
Deduplication and target replication are licensable features at extra cost. Copy to physical tape
at disaster recovery site for archiving and further disaster recovery options.
Caveats
: Allow 24 hours for replication. Scripting may be required on the target site for trickle
background import of replicated cartridges to ISV software backup catalog.
ISVs
: HP Data Protector, Netbackup, and TSM only at this time. (Deduplication is the key enabler
for deduplication-enabled replication.)
Device configuration highlights
: Setting up replication is done by creating echo copy pools. Identical
cartridges are kept on source and target devices and report “up to date” when they are fully
synchronized.
Backup application configuration highlights
: Two separate master servers are required with one
at each site.
Figure 28 Using VLS with Full Enterprise Backup and Disaster Recovery Capability
Recovery options
: Primary site data can be recovered directly from the VLS at primary site. If there
is a total disaster at the primary site and all servers and VLS are lost, data can be recovered from
the disaster recovery site in several ways:
•
At the disaster recovery site using a separate backup application, master server data can be
recovered to the new servers.
•
A replacement VLS and servers can be installed at the primary site and data can be reverse
replicated from the disaster recovery site over the low bandwidth link, although this is not
68
VLS Devices