[OpenIndiana-discuss] force ZFS to update disk quota info

CJ Keist cj.keist at colostate.edu
Thu Feb 7 22:42:53 UTC 2013


Interesting, df shows same as zfs:

df -h home

Filesystem            Size  Used Avail Use% Mounted on
data/students/GRAD/ECE/vwb
                         20G    14G   6.4G    69% 
/data/students/GRAD/ECE/vwb

So looks like df reports same thing as ZFS does.

Next thing I going to try is to umount the zfs mount and remount to see 
if that forces it to see the new disk usage.



On 2/7/13 3:33 PM, Sašo Kiselkov wrote:
> On 02/07/2013 11:28 PM, CJ Keist wrote:
>> Here are actual numbers:
>>
>> # du -sh *
>>    11G   home
>>
>> zfs list data/students/GRAD/ECE/vwb
>> NAME                         USED  AVAIL  REFER  MOUNTPOINT
>> data/students/GRAD/ECE/vwb  13.6G  6.37G  13.6G
>> /data/students/GRAD/ECE/vwb
>>
>> As you can see there is about 3Gb difference in what du reports and what
>> ZFS reports.  I bumped up his quota so that he could work.
>> It's been days since this was done and ZFS is not change the disk usage.
>>
>> zfs list -o space data/students/GRAD/ECE/vwb
>> NAME                        AVAIL   USED  USEDSNAP  USEDDS
>> USEDREFRESERV  USEDCHILD
>> data/students/GRAD/ECE/vwb  6.37G  13.6G         0       0 0
>
> Just out of curiosity, have a look at "df -h" to see if it is the thing
> reported by "du" or "zfs list". Chance are, it'll be identical to "zfs
> list", since it uses the kernel's filesystem info interface, rather than
> doing the couting by hand (as "du" does).
>
> Cheers,
> --
> Saso
>
>
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-- 
C. J. Keist                     Email: cj.keist at colostate.edu
Systems Group Manager           Solaris 10 OS (SAI)
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