On Thu 30 Apr 2009 at 08:29AM, solarg wrote:
> hello all,
> i have a machine with os2008.11 that serves as a web server, and has
> many zones installed.
> I'm surprised by the size of zones:
> # zfs list
> NAME USED AVAIL REFER MOUNTPOINT
> rpool/zones/catalogue2/ROOT/zbe 4.49G 17.9G 7.47G legacy
> rpool/zones/catalogue3/ROOT/zbe 149M 17.9G 6.80G legacy
> rpool/zones/test-drupal/ROOT/zbe 511M 17.9G 5.21G legacy
>
> on another os2008.11 machine, i created a new zone, and don't notice
> these high values:
> # zfs list
> NAME USED AVAIL REFER MOUNTPOINT
> rpool/export/catalogue4 4.07M 16.1G 21K /export/catalogue4
> rpool/export/catalogue4/ROOT 4.05M 16.1G 18K legacy
> rpool/export/catalogue4/ROOT/zbe 4.03M 16.1G 235M legacy
>
> what is the meaning of REFER? can i gain more space?
>
> thanks for help,
Gerard,
I can make a guess: I suspect that space in your zones is being
consumed by data which is 'stuck' in zfs snapshots. Can you do a 'zfs
list -t all'? You might have an automatic snapshot service turned on,
or have manually made snapshots.
Or you might be using zfs clones? It would be nice to see the output of:
zfs list -t all -o name,used,refer,origin
-dp
--
Daniel Price, Solaris Kernel Engineering http://blogs.sun.com/dp
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