sda failure - no log
 

Tamas Hegedus wrote:

Hi,

Last night, very late :-) I did the following:

* press the power-on button

* the system did not start; I think the button was stuck and what I
could hear (very gentle noise; I had to put my ears close to the box)
that the power supply and CD-rom got power for a second at every few second


* than I took a hammer :-) joke; applied some force on the power-on
button and the system was turned off; then I could turn the system on


* at the startup I got some massage that the file system check failed,
press something to enter a shell to correct (run the fschk manually?);
but I pressed the other something (cntr-d?) and the system booted up
normally


* I backed up my data
* This morning I tried to figure out what was the problem, but I could
not find anything via dmesg - everything seems to be normal; sda was
brought up normally w journaling - based on dmesg.


How could I figure out the problem, how can I be relaxed about my data
and using that hard disk? I think the hd should be ok, not very old (max
2 year old)... I did not dare to restart my system yet :-)





smartctl -t long -d sat /dev/sda -T permissive
smartctl -d sat /dev/sda --all -T permissive

Hugo


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sda failure - no log
 

Tamas Hegedus wrote:
> Hi,
>
> Last night, very late :-) I did the following:
>
> * press the power-on button
>
> * the system did not start; I think the button was stuck and what I
> could hear (very gentle noise; I had to put my ears close to the box)
> that the power supply and CD-rom got power for a second at every few
> second
>
> * than I took a hammer :-) joke; applied some force on the power-on
> button and the system was turned off; then I could turn the system on
>
> * at the startup I got some massage that the file system check failed,
> press something to enter a shell to correct (run the fschk manually?);
> but I pressed the other something (cntr-d?) and the system booted up
> normally
>
> * I backed up my data
> * This morning I tried to figure out what was the problem, but I could
> not find anything via dmesg - everything seems to be normal; sda was
> brought up normally w journaling - based on dmesg.
>
> How could I figure out the problem, how can I be relaxed about my data
> and using that hard disk? I think the hd should be ok, not very old
> (max 2 year old)... I did not dare to restart my system yet :-)
>
> Thanks for your suggestions in advance,
> tamas
>
>

Use smartcl. (the package to install is smartmontools)

For an IDE hard disk :

smartctl --smart=on --offlineauto=on --saveauto=on /dev/hda
smartctl --test=long /dev/hda
[You wait for time that has been indicated with the previous command)
smartctl --attributes --log=selftest --quietmode=errorsonly /dev/hda

For a SATA hard disk, you just have to add the "-d ata" option to each
command.

Regards,

--
http://snurf.info
"Civil Engineering section" project : http://civil-e-section.org
« A book is like a garden carried in the pocket. »


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sda failure - no log
 

Thanks for the smartctl suggestions - self-test performed - no error was
logged :-)


--
Tamas Hegedus, PhD | phone: (1) 919-966 0329
UNC - Biochem & Biophys | fax: (1) 919-966 5178
6107 Thurston-Bowles Bldg | mailto:hegedus@med.unc.edu
Chapel Hill, NC, 27599-7248 | http://biohegedus.org


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sda failure - no log
 

On Tue, Oct 28, 2008 at 10:36:17AM -0400, Tamas Hegedus wrote:

> * I backed up my data
> * This morning I tried to figure out what was the problem, but I could
> not find anything via dmesg - everything seems to be normal; sda was
> brought up normally w journaling - based on dmesg.
>
> How could I figure out the problem, how can I be relaxed about my data
> and using that hard disk? I think the hd should be ok, not very old (max
> 2 year old)... I did not dare to restart my system yet :-)

I'd stress-test the drive. I use a lot of old hardware so have this
down pat: boot with a live CD (I use grml) on boxes that boot CD, and a
custom boot set (based on Woody) for older boxes that only boot floppy.

on one VT, run e2fsck -c -c (the double -c causes it to do a slow read
write verify bad-block test so that each sector gets read and written).
Do this for each filesystem you have.

On another VT, run tail -f /var/log/syslog and watch for drive errors.

If all goes well, reboot the system and do a long smartclt test and see
if the drive has recorded inordinate errors. Also check the drive temp
after all that activity.

Remember, a SMART error is a good indication of a problem, but the lack
of a SMART error is not necessarily a good inidcation of a lack of a
problem.

Doug.


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