Have you looked to see if the drives are down? We are running NetApp Release 5.3.4R3P2 on our filers, NBU 3.2+latest patches.
There is a bug in this version of ontap that causes the tape drives to be downed at, we think, the end of jobs when it comes time to unload the tape or at the change of tapes on a job that needs to span tapes. I understand that 5.3.4 (base) does not have that problem. The thing is, we see this consistently on some filers and rarely on others.
As a work around, we ended up having a cron job up the drives hourly. This took care of the problem.
Look in the archives around 5/2/00, subject "Network Appliance Upgrade to ONTAP 5.3.4R3P2 and Backups" and you should see more on this problem.
Kelly
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Kelly Wyatt, Kelly.Wyatt@SAS.com Senior Systems Programmer Strategic Recovery SAS Institute Inc. / SAS Campus Drive / Cary, NC 27513 http://www.sas.com SAS... The Power to Know
-----Original Message----- From: Jeffrey Krueger [mailto:jkrueger@qualcomm.com] Sent: Tuesday, November 07, 2000 10:18 PM To: toasters@mathworks.com Subject: Veritas NetBackup backup hangs
We have recently cut-over to using Veritas NetBackup with NDMP to perform a mixture of backups to filer-attached-tape and 3-way backups to other filers with tape. We are running DOT 5.3.4R3P2 on a mixture of 630's and 760's against NBU 3.2 with a recent patch set (one that includes the 3-way fix).
In both instance, we have found that sometimes a filer completes a dump (ndmp session goes away, backup snapshot is deleted, /etc/dumpdates is updates), but the backup job hangs in Veritas-land. This job hangs indefiately until manually killed, at which point it does not record the file history making the backup un-restore-able.
We're growing very frustrated with this issue. BudTool has been backing these filers up for 2 years with NDMP and relatively few problems. So far, NBU support has been disappointing to say the least.
Has anyone seen this? Is there a workaround or fix?
Also, does anyone know the mechanics of the "/etc/ndmpdlog.*" files? They are poorly documented in the DOT manuals. All of ours are zero length, but its unclear whether this is supposed to be the case (no news is good news). Does anyone know what they are supposed to look like?
-- Jeff
-- ---------------------------------------------------------------------------- Jeff Krueger E-Mail: jeff@qualcomm.com Senior Engineer Phone: 858-651-6709 NetApp Filers / UNIX Infrastructure Fax: 858-651-6627 QUALCOMM, Inc. IT Engineering Web: www.qualcomm.com