[Networker] Stable Backups... (What we run, and what was changed...)
2010-02-27 03:12:50
I have to admit this took much time to get to a stable backup platform...
These is our environment that was working, mostly:
Sun Solaris 10u3 (T5240 sparc)
NetWorker 7.5.1
Sun StorageTek SL500 (6 drives)
EMC EDL (20 virtual drives)
Celerra with NDMP to EDL and SL500...
What fixed what....
#1) NetWorker 7.5.1 Roll-up 6, this has solved a few really annoying client
issues, and an index issue, but by itself appeared to do nothing to improve
uptime.
#2) We were running NMC on the Sun server, moved this to its own Windows box
and...
Indexer performed much better, especially around some MSSQL issues...
nsrim taking > 45 minutes to run...
Random crashes - nsrd would simply be locked kill -9 only way to shut it
down...
-- to be fair this is EMC Best Common Practice, but they should state
up front that your server requires two physical servers then...
#3) Upgrade of the EDL code.
EMC came out last week to upgrade our EDL code (and we were on a
fairly recent version already.
We were suffering from virtual devices randomly going offline locking
up necessary "tapes" some times stopping backups/clones/etc...
We were suffering from TapeAlert messages about wrong medium...
This combo of changes has made our system seem to operate much better, hope
this helps anyone out in a similar boat... its going to be difficult to
convince myself to upgrade things now though.. oh well :-).
Alec
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