I think it can depend on why you have to rebuild your system.
If we assume a COMPLETE HARDWARE FAILURE, and you have no idea what was
running at the time and you cannot access NBU in its current state, then I
would personally just rebuild the Server and restore from the last good
cataloge and any images that may have been written would be ignored by the
catalog. In essence, if any tapes were using during the weekend, the old
catalog would not know anything about them.
If the crash was a DB corruption or a problem that resulted in me having to
restore from a catalog backup, I usually take a media list report, volume
list and verify what backups run.
If applicable, restore catalog and import tapes. Alternatively, depending on
the nature of the damage I may not even do this.
If you have NO catalog, then you have to import ALL tapes that are in your
library and this would also have to include tapes off-site and in storage
sites, storage safes, ect.
In essence, all media that NetBackup knew about, must be imported again.
Does this help ?
Regards
Simon Weaver
3rd Line Technical Support
Windows Domain Administrator
EADS Astrium Limited, B23AA IM (DCS)
Anchorage Road, Portsmouth, PO3 5PU
Email: Simon.Weaver at Astrium-eads.net
-----Original Message-----
From: Jack.Thweatt at protective.com [mailto:Jack.Thweatt at protective.com]
Sent: 21 September 2006 22:11
To: veritas-bu at mailman.eng.auburn.edu
Subject: [Veritas-bu] Catalog Question
Hi Folks,
I'm having a little trouble with catalog backups completing successfully and
I need some assistance. I am working on load balancing to ensure nothing is
running when the catalog fires off, and I'm actively monitoring any catalog
failures so that I can run another manually, so I'm not dead in the water
(yet, anyway). In the meantime, I would like to be able to assign a risk
level to this task. The disaster recovery section of the Troubleshooting
manual states that if you don't have the catalog mediaID that "your only
option is to use the NetBackup import feature to import all
lost backup records into your NetBackup catalog". My question is this, if
my last good catalog backup was from 2 days ago and I had to rebuild my
master server, how would I go about knowing what images to import? As
always, any assistance is greatly appreciated.
Jack Thweatt
205.268.5646 Office
205.337.8909 Cell
205.268.3474 Fax
jack.thweatt at protective.com
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