[CentOS] df -h shows system at 100% used, but there is space left
tom at ng23.net
Wed Apr 29 15:43:17 UTC 2009
>> Has anyone seen output like this before? Notice on my
>> /dev/md0 That it reports 100% used, but also 5.3 Gb
>> available. What would cause this?
>> # df -h
>> Filesystem Size Used Avail Use% Mounted on
>> /dev/sda2 71G 1.6G 66G 3% /
>> /dev/sda1 99M 22M 73M 23% /boot
>> tmpfs 506M 0 506M 0% /dev/shm
>> /dev/md0 903G 851G 5.3G 100% /home
> I've never run into the reserved blocks being an issue (even though it
> may be the case here). I have run out of inodes (one per file, and if
> you have a ton of little files...). Run df -i to see what percent inodes
> your using.
> Wikipedia has a good explaination of inodes
sounds like reserved blocks to me also - use tune2fs to turn down the
reserved blocks. That way you'll be able to use that space but be aware
of the future problem that could cause you.
More information about the CentOS