Hello everyone,
an update: I was able to reproduce the problem on my testing
machine (at least sort of) and confirmed that
c8dc9c6 md: raid1,10: Handle REQ_WRITE_SAME flag in write bios
fixes things.
Also applied c8dc9c6 to the main system's 3.8.6 kernel. Working without
any issues.
One interes
Thanks for your insights Baruch.
The crc count did not increase any further - so this was probably just
small oddity (was zero before when the write-same issue already
happened). The real issue however does persist. I found a way to
reliably trigger the log messages. Using a program called checksum
On Tue, 9 Apr 2013 12:22:29 +1000 Chris Dunlop wrote:
> > Neil -- should c8dc9c6 go to stable?
>
> I think it definitely should. Without it you can't create a
> raid10 and it looks like you have a controller issue!
It is too late for 3.7, but it probably makes sense for 3.8.
I suggest you ask
On Mon, Apr 08, 2013 at 09:32:42AM -0400, Joe Lawrence wrote:
> On Mon, 8 Apr 2013 03:53:51 -0400
> "Chris Dunlop" wrote:
>
>> Upon reflection, given this smells like a controller issue, this
>> may be better addressed to linux-scsi@vger.kernel.org...
>>
>> On Mon, Apr 08, 2013 at 05:18:34PM +10
On Mon, 8 Apr 2013 03:53:51 -0400
"Chris Dunlop" wrote:
> Upon reflection, given this smells like a controller issue, this
> may be better addressed to linux-scsi@vger.kernel.org...
>
> On Mon, Apr 08, 2013 at 05:18:34PM +1000, Chris Dunlop wrote:
[... snip ...]
> Apr 8 15:08:53 b4 kernel: [ 4
> Apr 8 15:08:41 b4 kernel: [ 436.346595] mpt2sas0: log_info(0x31120320):
> originator(PL), code(0x12), sub_code(0x0320)
This log_info error code means a bad TX SGE, I don't know the code to
point to the issue but it seems like there is a problem in the driver
or the higher layers that provided
Upon reflection, given this smells like a controller issue, this
may be better addressed to linux-scsi@vger.kernel.org...
On Mon, Apr 08, 2013 at 05:18:34PM +1000, Chris Dunlop wrote:
> G'day,
>
> On a LSI 9211-8i controller with IT firmware, when I use mdadm
> to create a 4-disk raid10 and mount
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