one shows pool size, one shows filesystem size.

the pool size is based on raw space.

the zfs list size shows how much is used and how much usable space is
ableable.

for instance, i use raidz2 with 1tb drives so if i do zpool list i see ALL
the space, including parity, but if i do zfs list i only see how much space
the filesystem seems.

2 different tools for 2 different jobs.


On Sat, Feb 13, 2010 at 12:28 PM, Charles Hedrick <hedr...@rutgers.edu>wrote:

> I have the following pool:
>
> NAME   SIZE   USED  AVAIL    CAP  HEALTH  ALTROOT
> OIRT  6.31T  3.72T  2.59T    58%  ONLINE  /
>
> "zfs list" shows the following for a typical file system:
>
> NAME                    USED  AVAIL  REFER  MOUNTPOINT
> OIRT/sakai/production  1.40T  1.77T  1.40T  /OIRT/sakai/production
>
> Why is available lower when shown by zfs than zpool?
> --
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