Re: Drives missing at boot

["Paul Check" <paul@thechecks.ca>]

That's unfortunate. FYI I have continued to be trouble free, but my
processor is a bit weaker than Mark's, although I would find it surprising
that this would cause a problem.  Also, FYI Mark, I have 12GB of Corsair
RAM, and have it bumped up to the Intel XMP profile.

P

> On Tue, Jul 20, 2010 at 7:14 AM, Tejun Heo <tj@kernel.org> wrote:
>> Helo,
>>
>> On 07/20/2010 05:14 AM, Paul Check wrote:
>>> Hey Tejun: I guess this is the same patch that you sent me to fix my
>>> issue
>>> with missing drives.  Good news: I've been through about 10 reboots
>>> now
>>> and no problems.  Based on my prior experience, I'd say with the old
>>> setup, 10 clean boots in a row was probably less than a 1% event.  So,
>>> it
>>> seems that this has fixed my problem.
>>
>> Yeap, it's the same one.  I'm forwarding the patch upstream now but,
>> Mark, please let me know the test result.
>>
>> Thanks.
>>
>> --
>> tejun
>>
>
> Tejun,
>    Looks like I had a failure today. First one in weeks and only the
> 3rd or 4th boot with this newer patch file. One of the two drives
> making a RAID0 wasn't found so /dev/md11 (constructed from /dev/sdd
> and /dev/sde) couldn't be started. I did a cold reboot and the drive
> was found.
>
>    If it matters, and it probably doesn't, the failure came on a boot
> which had a scheduled fsck to do of /dev/md5 - my main / drive. I
> don't see how that would make a difference but I figure why leave the
> info out. That's why the times are so much larger in the dmesg file.
> (I think)
>
>    dmesg attached. I patched the Gentoo kernel if it makes a
> difference, same as I did with the earlier patch.
>
> mark@c2stable ~ $ uname -a
> Linux c2stable 2.6.34-gentoo-r2 #1 SMP PREEMPT Sun Jul 18 14:09:48 PDT
> 2010 x86_64 Intel(R) Core(TM) i7 CPU X 980 @ 3.33GHz GenuineIntel
> GNU/Linux
> mark@c2stable ~ $
>
> Sorry,
> Mark
>