df numbers vs reality
Brandon Ooi
brandon at hotornot.com
Tue Dec 6 23:09:26 UTC 2005
I believe this is also true for reiserfs. You can mark the drive as
down, tar-copy it somewhere and reformat it with the "-m 0" arguments
and move it back. I dont' know any other simple solution.
Brandon
Eric Lambrecht wrote:
> something we just noticed:
>
>> guba at caitlin:~$ df -k -l /storage
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/sda4 236869888 224837608 0 100% /storage
>
>
> *sigh*.. didn't realize the OS reserves about 5% of the blocks for the
> super-user, so mogile thinks we've still got space left when we're
> actually out.
>
> This is the case for ext2 or ext3, and I haven't checked with the
> reiser boxes yet (we're doing a couple different filesystems to see
> how they work out).
>
> You might be able to get around this with ext2 and ext3 by using the
> '-m 0' argument to mk2efs.
>
> Frustrating how you never seem to get exactly what tools report...
>
> Eric...
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