>> After some days, I found some mismatch ploblem:
>>
>> # df -h
>> Filesystem Size Used Avail Use% Mounted on
>> /dev/md/0 699G 93G 607G 14% /vol
~~~ ~~~
It says that 93G(14%) is used, but actually about 1M is used:
# du --max-depth=1 -m /vol
0 /vol/backup
0 /vol/database
1 /vol
>> But when I remount it, and it seems ok:
>>
>> # df -h
>> Filesystem Size Used Avail Use% Mounted on
>> /dev/md/0 699G 2.0M 699G 1% /vol
~~~ ~~~
>>
>
>I not 100% certain what you are saying :)
>If you are saying that the %Used is not matching with what
>is used/total-number then I can't quite see that.
>This is done by df(1) code and looking at df code on IRIX (assume it's
>pretty similar to Linux) it does value*100/total and then takes the
>ceiling of that value (rounds up to next integer).
>(ie. if 0 < x <= 1, now matter how small it will report 1%.)
>
>e.g. 93*100/699 = 13.3%; ceil(13.3) = 14%
> 487*100/732595328 = 0.000006; ceil(0.000006) = 1%
>
>--Tim
>
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