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Re: [Networker] backing up a MS Cluster client
2006-06-01 06:41:42
I recently sent out a summary of NetWorker cluster configs to some
colleagues, so thought the list might be interested to see it also.
This is not specific to any platform or cluster software, the same basic
principles apply regardless of whether it is Unix or Windoze.
Example environment:
Two node cluster running two services.
Physicals:
PHYS1
PHYS2
Services:
VIRT1
VIRT2
There will be at least 4 client resources in NetWorker for this environment.
PHYS1 and PHYS2 will be defined to backup save set "All" or specific
local save sets as you prefer.
VIRT1 and VIRT2 will be configured to backup only the floating save sets
associated with the service they run.
There are two extra items that need to be configured for VIRT1 and VIRT2:
(1)
Access to backup for physical clients. This is done by adding entries to
the remote access fields of VIRT1 and VIRT2, the same two entries in each:
user=root,host=PHYS1
user=root,host=PHYS2
(for Windoze systems, substitute system for root)
For RMAN backups, some more similar entries will be required for other
users.
Do NOT add the service names as aliases to the physical clients, and
vice versa.
(2)
A setting to force the index for the virtual client to be written to the
correct index name.
For filesystem backups this is accomplished by setting the backup
command field for VIRT1 and VIRT2 to "save -c VIRT1" and "save -c
VIRT2" respectively.
For Oracle backups this is accomplished by setting the environment
variable NSR_CLIENT=VIRT1 or NSR_CLIENT=VIRT2 within the RMAN script.
Follow these rules and you won't go far wrong.
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