Networker

Re: [Networker] NMC db corruption

2011-11-16 12:53:52
Subject: Re: [Networker] NMC db corruption
From: Tim Mooney <Tim.Mooney AT NDSU DOT EDU>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Wed, 16 Nov 2011 11:52:39 -0600
In regard to: [Networker] NMC db corruption, Eugene Vilensky said (at...:

Is anyone running their NMC server successfully in a virtual machine?
Mine is recently attempted to migrate from my backup server to a
dedicated virtual machine using the procedures in the admin guide,
where it ran for four hours successfully, and then errored with:

E. 11/15 10:21:06. *** ERROR *** Assertion failed: 100701 (9.0.2.3308)
E. 11/15 10:21:06. Unable to modify indexes for a row referenced in
rollback log

I haven't seen that exact error, but I have seen these:

E. 07/22 02:02:26. *** ERROR *** Assertion failed: 102300 (9.0.2.3308)
E. 07/22 02:02:26. File associated with given page id is invalid or not open

E. 07/22 15:07:37. *** ERROR *** Assertion failed: 102300 (9.0.2.3308)
E. 07/22 15:07:37. File associated with given page id is invalid or not open

E. 07/29 07:50:25. *** ERROR *** Assertion failed: 201501 (9.0.2.3308)
E. 07/29 07:50:25. Page for requested record not a table page or record not 
present on page

One bit of information you didn't provide that might be relevant is what
the VM OS and version is.

I can tell you that all of our database corruption issues started when
I moved the NMC to a RHEL 6.1 host.  It was only after opening a ticket
with EMC that I discovered that RHEL 6.x is *not* supported for the NMC.
It is for networker server, storage node, and clients, but not NMC.

The tech I worked with actually contradicted some of the software
compatibility guide, saying that NMC was supported on RHEL 6.0 but not
6.1, which to me seems like a ridiculous stance for EMC to take
considering how they do support for all other point releases, but in my
case it didn't matter.  I moved the NMC to a RHEL 5.7 host, and all the
issues went away.

Tim
--
Tim Mooney                                             Tim.Mooney AT ndsu DOT 
edu
Enterprise Computing & Infrastructure                  701-231-1076 (Voice)
Room 242-J6, IACC Building                             701-231-8541 (Fax)
North Dakota State University, Fargo, ND 58105-5164

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