> I filled up my partition last night.
> I deleted 5 gigs of movies.
> The "Used" number went down to 125G.
> The "Free" number stayed at 0.
> I rebooted the system but it's still the same.
>
> $ echo foo > foo
> bash: echo: write error: No space left on device
>
> $ df .
> Filesystem 1K-blocks Used Available Use% Mounted on
> /dev/sda1 136236548 130363620 0 100% /media/old_sys
>
> $ mount | grep old
> /dev/sda1 on /media/old_sys type ext3 (rw,nosuid,nodev)
> /media/old_sys/home on /home type none (rw,bind)
>
> This is with 2.6.37-rc5+. Is there a way to debug this?
>
I don't think there is anything to debug. ext3 reserves by default 5% of
the space for root's use. You will see "Available" go positive when
"Used" is reduced to below 0.95*136236548 blocks = 129424720 blocks
roughly. You can check your numbers by running
dumpe2fs -h /dev/sda1
and checking the "Block count" and "Reserved block count" fields.
You should be able to write to the filesystem as root though, as long
as Used < Total number of blocks. And you can adjust the reserved space
with ``tune2fs -m <N>''.
See e.g https://wiki.archlinux.org/index.php/Ext3_Filesystem_Tips
(the first hit from a Google search for "ext3 reserved").
Nick
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