[SATLUG] File system corruption

Todd W. Bucy toddwbucy at grandecom.net
Sun Jul 19 08:46:15 CDT 2009


Alan Lesmerises wrote:
> A couple of weeks ago, I got an error message (from within KDE) saying 
> the authentication system failed.  I tried to log onto my system via 
> the CLI and got some I/O errors.  When I posted this issue to the 
> group, Jeremy said it looked like the file system was corrupted and 
> that I should use fsck to fix it.  It worked that time (BTW, thanks 
> Jeremy), but now it seems to have happened again, and the problem is 
> much worse now.
>
> First, to recap, my system has 2 identical Seagate 400GB SATA drives 
> configured as RAID 0, and I'm running OpenSUSE 11.1 x64.  I have 4 
> partitions on each (Boot, Root, Swap, & user data files).
>
> The first time around, fsck reported errors only on one partition, 
> SDA7 (the Root partition of the first drive).  The errors mainly 
> consisted of "Inode xxxx has illegal block(s)", etc.  I used fsck to 
> fix the errors, rebooted and repaired the OS files and I was back in 
> business.  But after just a few days, my system crapped-out again, 
> this time errors were reported on both the Root & data partitions of 
> both drives.  The errors included "Illegal Blocks", "Multiply-claimed 
> block(s) in inode xxxx" and dates being "in the future" (many of each 
> kind of error on each partition).
>
> So here are the questions I hope you can help me with:
>
> 1. What's going on with these errors?  What do those error messages mean?
>
> 2. Does anyone have any idea what could be causing these errors?
>
> 3. I've put extra cooling fans on the hard drives themselves, but I 
> don't think that is really the problem.  It's extremely unlikely that 
> both drives would be failing simultaneously, so could the motherboard 
> be to blame?
>
> TIA.
>
> Al Lesmerises
>
If you are using a raid0 it would only take one drive to begin to fail 
to give you problems.  I usually only run raid0 on my wintendo where 
performance in my games is desired but where the loss of my data due to 
a drive failure is no big deal.

Todd


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