[NTLUG:Discuss] Drive becoming read-only after 40 minutes?!?

[Daniel Hauck]

The only time I have seen drives go read-only is when errors are 
detected on the drive. Check your dmesg and/or /var/log/messages file.

Steve Baker wrote:
> Thanks to everyones help a week or so ago, I have my HP Pavilion laptop 
> sitting here with it's harddrive removed, booting SuSE 10.2 from a 300Gb 
> UDB drive.  It boots OK, runs just fine for ~40 minutes then quite 
> suddenly any access to the drive produces a message saying that I can't 
> write to the drive because it's read-only?!?   I can still read from the 
> drive - and Linux seems to be running just fine (except for anything 
> that involves writing to disk.
> 
> I've disabled power-save stuff wherever I can find it - and I even tried 
> writing to (and 'sync'-ing) the USB drive every 10 seconds with a little 
> shell script to make sure it doesn't go to sleep on me.  Nothing helps.
> 
> The 'mount' command still says that the disk is mounted R/W -  but every 
> disk access produces a write-protect error.
> 
> Rebooting the machine gives me another ~40 minutes.
> 
> Help!
> 
> 
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