[NTLUG:Discuss] strange "No space" issue on /dev/md0

[Steve Baker]

Chris Cox wrote:
> Fred James wrote:
> 
>> RH 7.1
>> "df -k" returns
>>
>> Filesystem           1k-blocks      Used Available Use% Mounted on
>> /dev/hda1              3951272    726856   3023700  20% /
>> /dev/md0             113487584  26951312  80771408  26% /backups
>>
> ...
> 
>> This seems to lend weight to the idea that /dev/md0 is out of space 
>> even though it reports it is not - and that leaves me confused.  Any 
>> suggestions on how to check this out, or better yet, how to fix it, 
>> would be most appreciated.
>>
> 
> Not too long ago I had a similar problem with an ext3 filesytem.
> Force an fsck and see if that clears things up (if it's ext3 that is).

You could also try:

   du -sk /backups

...which adds up the sizes of all the files.  That'll give you a clue
as to whether it's 'df' that's lying to you - or whether the error message
you were getting is wrong somehow.

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