Re: Drives missing at boot

[Mark Knecht]

On Sat, Jul 3, 2010 at 9:13 AM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> Hello,
>
> On 07/03/2010 06:06 PM, Mark Knecht wrote:
>>> Can you please *attach* full logs of a successful boot and several
>>> failing boots?
>>
>> Certainly? Which logs? dmesg or something else?
>
> dmesg output preferably with printk timestamp enabled.
>
> Thanks.
>
> --
> tejun
>

OK, I enable printk timing.

Here are two boots. The first one had /dev/sde come up missing:

mark@c2stable ~ $ ls -al /dev/sd*
brw-rw---- 1 root disk 8,  0 Jul  3  2010 /dev/sda
brw-rw---- 1 root disk 8,  1 Jul  3  2010 /dev/sda1
brw-rw---- 1 root disk 8,  2 Jul  3  2010 /dev/sda2
brw-rw---- 1 root disk 8,  3 Jul  3  2010 /dev/sda3
brw-rw---- 1 root disk 8,  4 Jul  3  2010 /dev/sda4
brw-rw---- 1 root disk 8,  5 Jul  3  2010 /dev/sda5
brw-rw---- 1 root disk 8,  6 Jul  3  2010 /dev/sda6
brw-rw---- 1 root disk 8, 16 Jul  3  2010 /dev/sdb
brw-rw---- 1 root disk 8, 17 Jul  3  2010 /dev/sdb1
brw-rw---- 1 root disk 8, 18 Jul  3  2010 /dev/sdb2
brw-rw---- 1 root disk 8, 19 Jul  3  2010 /dev/sdb3
brw-rw---- 1 root disk 8, 20 Jul  3  2010 /dev/sdb4
brw-rw---- 1 root disk 8, 21 Jul  3  2010 /dev/sdb5
brw-rw---- 1 root disk 8, 22 Jul  3  2010 /dev/sdb6
brw-rw---- 1 root disk 8, 32 Jul  3  2010 /dev/sdc
brw-rw---- 1 root disk 8, 33 Jul  3  2010 /dev/sdc1
brw-rw---- 1 root disk 8, 34 Jul  3  2010 /dev/sdc2
brw-rw---- 1 root disk 8, 35 Jul  3  2010 /dev/sdc3
brw-rw---- 1 root disk 8, 36 Jul  3  2010 /dev/sdc4
brw-rw---- 1 root disk 8, 37 Jul  3  2010 /dev/sdc5
brw-rw---- 1 root disk 8, 38 Jul  3  2010 /dev/sdc6
brw-rw---- 1 root disk 8, 48 Jul  3  2010 /dev/sdd
brw-rw---- 1 root disk 8, 49 Jul  3  2010 /dev/sdd1
mark@c2stable ~ $

I then did two warm boots and got the same problem so I shut down
completely and did a cold boot which worked:

mark@c2stable ~ $ ls -al /dev/sd*
brw-rw---- 1 root disk 8,  0 Jul  3  2010 /dev/sda
brw-rw---- 1 root disk 8,  1 Jul  3  2010 /dev/sda1
brw-rw---- 1 root disk 8,  2 Jul  3  2010 /dev/sda2
brw-rw---- 1 root disk 8,  3 Jul  3  2010 /dev/sda3
brw-rw---- 1 root disk 8,  4 Jul  3  2010 /dev/sda4
brw-rw---- 1 root disk 8,  5 Jul  3  2010 /dev/sda5
brw-rw---- 1 root disk 8,  6 Jul  3  2010 /dev/sda6
brw-rw---- 1 root disk 8, 16 Jul  3  2010 /dev/sdb
brw-rw---- 1 root disk 8, 17 Jul  3  2010 /dev/sdb1
brw-rw---- 1 root disk 8, 18 Jul  3  2010 /dev/sdb2
brw-rw---- 1 root disk 8, 19 Jul  3  2010 /dev/sdb3
brw-rw---- 1 root disk 8, 20 Jul  3  2010 /dev/sdb4
brw-rw---- 1 root disk 8, 21 Jul  3  2010 /dev/sdb5
brw-rw---- 1 root disk 8, 22 Jul  3  2010 /dev/sdb6
brw-rw---- 1 root disk 8, 32 Jul  3  2010 /dev/sdc
brw-rw---- 1 root disk 8, 33 Jul  3  2010 /dev/sdc1
brw-rw---- 1 root disk 8, 34 Jul  3  2010 /dev/sdc2
brw-rw---- 1 root disk 8, 35 Jul  3  2010 /dev/sdc3
brw-rw---- 1 root disk 8, 36 Jul  3  2010 /dev/sdc4
brw-rw---- 1 root disk 8, 37 Jul  3  2010 /dev/sdc5
brw-rw---- 1 root disk 8, 38 Jul  3  2010 /dev/sdc6
brw-rw---- 1 root disk 8, 48 Jul  3  2010 /dev/sdd
brw-rw---- 1 root disk 8, 49 Jul  3  2010 /dev/sdd1
brw-rw---- 1 root disk 8, 64 Jul  3  2010 /dev/sde
brw-rw---- 1 root disk 8, 65 Jul  3  2010 /dev/sde1
mark@c2stable ~ $

Let me know what else you might need.

Thanks!

Cheers,
Mark

Attachment: dmesg.DriveEmissing
Description: Binary data

Attachment: dmesg.AllDrivesFound
Description: Binary data