[cisco-voip] Odd Server issues after Outages

[Dave Goodwin]

Matthew, do you happen to know when the servers were purchased, and when
the RAID card was replaced? Wondering if you are using a version of the
9271CV-8I card that is not new enough to have the fix for the various field
notice issues. I have definitely run into this with the C240M3 boxes that
use the same RAID cards as the C220M3, and replacement of the card is
required to a fixed one.
http://www.cisco.com/c/en/us/support/docs/field-notices/637/fn63732.html

Aside from that, if you are using 10.5.2, did you install from that version
new, or upgrade to it? If you do a fresh install, it will setup the
filesystem as ext4 (unlike earlier versions that use ext3), which
supposedly has shown evidence of being more resilient in being able to
recover lost journals, such as what can happen during an unplanned power
outage. If you have the hardware issue, ext4 will not fix it, but perhaps
may help reduce the likelihood of filesystem corruption to the point of
needing rebuild.

-Dave

On Wed, Jun 3, 2015 at 8:50 AM, Matthew Loraditch <
MLoraditch at heliontechnologies.com> wrote:

>  So we have a customer in just a bad grid area, we have UPSs on their
> BE6Ks but these still doesn’t last long enough nor do we always know things
> in time to do a graceful shutdown. I’ve had plenty of other customers have
> outages and unclean shutdowns and their systems work fine afterwards. This
> customer continues to have issues where the servers get corrupted to the
> point of rebuilds, 2 times ago we got TAC to replace the RAID card in the
> host (C220M3 generation). The host reports no issues, but honestly this
> just seems odd to me. There are no bugs known to me for 10.5.2 that would
> do this (It always happens on both CUCM and UCXN) so I suspect hardware but
> am unsure how to track it down.
>
> Any thoughts?
>
>
>
> Matthew G. Loraditch – CCNP-Voice, CCNA-R&S, CCDA
> Network Engineer
> Direct Voice: 443.541.1518
>
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