[Veritas-ha] Mohammad Saeed is out of the office.

2009-04-01 Thread Mohammad . Saeed
I will be out of the office starting 04/01/2009 and will not return until 04/03/2009. I will respond to your message when I return. ___ Veritas-ha maillist - Veritas-ha@mailman.eng.auburn.edu http://mailman.eng.auburn.edu/mailman/listinfo/veritas-ha

[Veritas-ha] Did VCS rebooted the cluster node? Please help interpreting the log

2009-04-01 Thread Aleksandr Nepomnyashchiy
Dear VCS gurus, Please help interpreting the log - did system rebooted due to the VCS error ? Or VCS rebooted the system? I am trying to make sense of the logs... "libthread panic: cannot create new lwp : dumping core" from the VCS engine_A.log seems suspicious. r...@node_p /var/adm # r...@node_p

Re: [Veritas-ha] Ways to prevent split-brain

2009-04-01 Thread John Cronin
One correction - the sentence between scenarios 3 and 4 below should read as follows (correction is underlined and in bold for those who are not reading this strictly as text): However, this is not complete protection, as there is one case where *simultaneous loss of all heartbeat links* will lead

Re: [Veritas-ha] Ways to prevent split-brain

2009-04-01 Thread John Cronin
Marianne, The document you referred to is still generally applicable, except that disk heartbeats are no longer available (both GAB disk HB, and ServiceGroupHB - I would prefer if they had kept the latter).I am not sure exactly how your network is configured, but something I do sometimes is make t

Re: [Veritas-ha] SUMMARY: filesystem corruption after the cluster nodereboot

2009-04-01 Thread Jim Senicka
Running a non journeled file system in a cluster is always a bad idea, as your recovery time is always effected by file system start up tasks. Running UFS in logging mode was usually a pretty big performance hit. Why not VxFS? -Original Message- From: veritas-ha-boun...@mailman.eng.aubur

[Veritas-ha] Ways to prevent split-brain

2009-04-01 Thread Marianne Van Den Berg
Hi All I'm looking for an updated version of TechNote http://seer.entsupport.symantec.com/docs/252635.htm We are using SF 5.0 MP3 in a 2-site campus cluster using VxVM mirroring between sites. As far as know, IO fencing is not possible in this scenario. I am not 100% convinced that the