mrsas(4)

[Miroslav Lachman]

Eugene M. Zheganin wrote on 07/29/2016 15:41:
> Hi.
>
> I'm experiencing some weird troubles with an LSI MegaRAID SAS9341-4i
> controller: sometimes, all of a sudden, it reports that disk was
> reattached. I'm using zfs, and a redundant pool, so, besides the fact
> that it's bad by itself, everything should continue to work, but instead
> my FreeBSD starts to livelock, and all disk/zfs commands stop working -
> they just hang (however, I'm able to log in, launch gstat and other
> utilities, and most of the services seem to be unaffected, however,
> iSCSI target starts to behave weirdly too). I wrote a letter to the LSI
> support, but I guess they will first ask me to try the latest driver,
> which for some reason isn't commited in the tree yet. So, two questions:
>
> - why the latest driver (6.710.11.00) isn't in the main tree, it's from
> december 2015, so at least it seems like it should have been made it to
> the 11.x. In 11.x I still see the 06.709.07.00-fbsd ? may be I don't
> unerstand something.
>
> - has anyone seen anything similar on mrsas ? I'm kinda open to the
> ideas. To be honest, I suspect the controller and the firmware, because
> with factory-default firmware version I had seen all sorts of madness,
> including disk detaching after requesting SMART data with smartmontools.
> This was reproducible and solved with the firmware update, but
> considering the amount of fixes that each new version does contain, I
> suppose there's many of the bugs that left unfixed.

mrsas is very strange so I moved to mfi driver for Dell PowerEdge T130 
with PERC H330.

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=200993

Miroslav Lachman