On Tue, Oct 6, 2009 at 11:25 AM, Stewart Williams
lists-at-pinkyboots.co.uk wrote:
> I am fairly certain that this disk is failing in my server, and I am
> replacing it straight away anyway.
Good idea. Looks like it's dying.
> Oct 5 08:34:47 server1 kernel: res
> 41/40:00:40:1f:71/a0:00:14:00:00/00 Emask 0x409 (media error) <F>
> Oct 5 08:34:47 server1 kernel: ata1.00: status: { DRDY ERR }
> Oct 5 08:34:47 server1 kernel: ata1.00: error: { UNC }
> Oct 5 08:34:47 server1 kernel: ata1.00: cmd
I've yet to see a media error that wasn't from a dying drive.
> Oct 5 08:35:13 server1 kernel: SCSI device sda: drive cache: write through
Nice. I didn't realize that Linux would disable the unsafe-but-faster
write back cache for a slower-but-safer write through cache when
errors were detected. Or perhaps your drive is just a bit fancier
than mine. :-)
> I am also getting these errors every 30 minutes:
>
> Oct 5 06:22:06 server1 smartd[3118]: Device: /dev/sda, 12 Offline
> uncorrectable sectors
Not good.
> Below is the smart selftest log:
> SMART overall-health self-assessment test result: PASSED
I always get a kick out of that, especially given..
> SMART Self-test log structure revision number 1
> Num Test_Description Status Remaining
> LifeTime(hours) LBA_of_first_error
> # 1 Extended offline Completed: read failure 90% 5689
> 526673
> # 2 Extended offline Completed: read failure 90% 5685
> 526673
Two self-tests show read failures yet the status is PASSED? Ridiculous...
-- Steve