use of fschk
Joep L. Blom
jlblom at neuroweave.nl
Thu Oct 14 12:20:01 UTC 2010
Basil Chupin wrote:
> On 14/10/2010 21:48, Joep L. Blom wrote:
>> I, have- I hope - a rather simple question.
>> My HD (1 year old: ATA SAMSUNG HD502HI).
>> Since several weeks I get kernel errors related to this disk like:
>> ______________________________________________
>> ata1.00: error: { UNC } ...: 51 Time(s)
>> end_request: I/O error, dev sda, sector ...: 6 Time(s)
>> sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error - auto
>> reallocat ...: 6 Time(s)
>> sd 0:0:0:0: [sda] Sense Key : Medium Error [current] [descr ...: 6 time(s)
>> _______________________________________________
>>
>> As this disk is the main disk with / and /home etc I cannot unmount it
>> to perform an fsck when running th system. I assume a live-CD (or
>> USB-stick) would do the trick But does anybody if there is an easier
>> method as it is such a hassle, and moreover is the best way to do it?
>> Thanks in advance,
>>
> Go to init 1 (CTRL-ALT-F3 then do init1) then
>
> mount -o remount,ro /dev/sd<X>
>
> where the <x> is where the system is installed and perform the fsck (eg,
> e2fsck /dev/sdX).
>
> After the check is finished,
>
> mount -o remount, rw /dev/sd<X>
>
> then reboot.
>
> [NOTE: "-o" is not "-zero" but the letter "o".]
>
> BC
>
Basil,
Even better. I didn't think Ubuntu could revert to runlevel 1 as I
thought they had deemed it wise to get rid of runlevels (more M$-like!)
but I will try that. I think colins idea is essentially equal but I have
to look into it.
By the way why go to terminal 3?? Why not terminal 1.
Joep
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