We've a number of IBM 3630M3 servers, equipped with BBU M5014/5015s, running as
CIFS server, with a mixture of OI148 and OI151a. Nothing fancy (no dedup, no
compression), just a pool of mirrored disks aka RAID10, with CIFS access
authenticated via MS AD.
Intermittently, CIFS/SMB will go down, sometimes this can be restored via
restarting the smb service ("enable -r smb/server"), other times it
necessitates a server reset ("svcs | grep smb" shows that smb/server has an *
next to it).
And one of the servers (always the same, so far...) will intermittently reboot
(more frequently than the SMB service going down). Sometimes in the middle of
the day, sometimes in the evening (once it was around 6pm). This particular
server will reboot and come back up without much delay, and the pool and zfs
shares come back online fine.
I'm not sure if these events, the CIFS/SMB service going down, and the
intermittent server reboot are related, and I'm not sure if its also related to
the mr_sas/mpt bug (https://www.illumos.org/issues/618 and
https://www.illumos.org/issues/1069), as the M501[45] are just LSI controllers,
using SUNWmrsas.
Anybody have any suggestions about how to investigate this further, or if this
is indeed the behaviour associated with the aforementioned mr_sas/mpt bugs?
Thanks... Yu-Phing
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