[mythtv-users] Slightly OT - EXT3 & LVM issues

[Michael Hobbs]

GyroTech wrote:
> Hi, I am planning on throwing MythTV on a server of mine, but first I 
> was going to extend an LVM partition to allow for the space of backing 
> up my movies and such.
>
> All the LVM stuff works fine, but when I come to utilise the extra 
> space, resize2fs /dev/LVM/store, I get a request to run a file system check.
>
> fsck.ext3 -f /dev/LVM/store
>
> brings back lots of
>
> Group xxxx's block bitmap (yyyyyyyyyy) is bad. Relocate?
> Group xxxx's inode bitmap (yyyyyyyyyy) is bad. Relocate?
>
> for lots of groups, close to 1000. I allow the relocate each time.
> then a lot of
>
> Error allocating 1 contiguous block(s) in block group xxxx for block 
> bitmap: Could not allocate block in ext2 filesystem
> Error allocating 1 contiguous block(s) in block group xxxx for inode 
> bitmap: Could not allocate block in ext2 filesystem
>
> For the same groups as before. Then it goes on to make the 2, 3, 4 
> passes without problem.
>
> Then I fix block bitmap differences and inode bitmap differences.
>
> Then I get a warning that the file system was modified but still has errors.
>
> I've tried running a bad block check with -c -cc -ck options but nothing 
> seems to be able to help. Odd thing is, I can still mount it happily. Is 
> this file system totally fubar'd now??
>
> TIA
>
> GyroTech
>   

Could be a flaky disk drive. Ever have problems with it before? SpinRite 
works well for detection and correction, and works with any filesystem 
format, but costs $90.

- Mike