use of fschk

[Joep L. Blom]

Colin Law wrote:
> On 14 October 2010 11:48, Joep L. Blom <jlblom at neuroweave.nl> 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?
> 
> If you open a terminal and type
> sudo touch /forcefsck
> that will create a file with that name.  Then re-boot and it should
> check the disc.
> 
> However if you have not already done so I would backup everything
> important immediately.
> 
> Colin
> 
Colin,
Thanks. That's a good idea. For your information: I use backuppc so 
every day (I think even every hour) my system is backed up (I think 
that's better than backupped but my dictionary says back-upped exists! 
strange language).
Joep