[Networker] Intermitten NDMP failures on NetApp
2009-09-28 09:40:28
I am getting intermittent failures on some of NetApp volumes, backed up via
NDMP. It's not always the same volume, not even the same NetApp unit. Every
once in a blue moon Networker reports a network failure and aborts a volume,
usually in the middle of a FULL backup:
XXX:xxx 42617:nsrndmp_save: NDMP Service Log: DUMP: Sat Sep 26 19:53:54 2009 :
We have written 35297975 KB.
XXX:xxx 42957:nsrdsa_save: Error : readlen = -1 (avail = 58648)
XXX:xxx read: Connection reset by peer42950:nsrdsa_save: Save failed
XXX:xxx 42617:nsrndmp_save: NDMP Service Log: DUMP: Network communication error
XXX:xxx 42738:nsrndmp_save: Data server halted: The backup is aborted by
operator.
XXX:xxx 42617:nsrndmp_save: NDMP Service Log: Aborted by client
I am running 7.4.4 on Sparc T2000, NetApps are FAS3040 with Ontap7.3.3
NDMP options:
HIST=y
DIRECT=y
UPDATE=y
OPTION=NT
UTF8=y
Inactivity timeout - 15
Client retries - 1
when such a failure happens - both retries fail, obviously.
I haven't noticed anything unusual during these failures, no network problems
(the rest of the volumes ran just fine), no high load anywhere.
I was wondering if any of you folks has ever observed such behaviour?
TIA
dmitri
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