On Fri, 29 Aug 2008, Shawn Ferry wrote:


On Aug 29, 2008, at 7:09 AM, Tomas Ögren wrote:

On 15 August, 2008 - Tomas Ögren sent me these 0,4K bytes:

On 14 August, 2008 - Paul Raines sent me these 2,9K bytes:

This problem is becoming a real pain to us again and I was wondering
if there has been in the past few month any known fix or workaround.

I had this problem in the past. Fortunately I was able to recover by removing an old snapshot which gave me enough room to deal with my problems.

Now, I create a fs called reserved and set a small reservation to ensure that there is a small amount of space available.

[sferry<@>noroute(0) 12:59 s001]
</Users/sferry>
[6] zfs get reservation,mountpoint,canmount,type  noroute/reserved
NAME              PROPERTY     VALUE             SOURCE
noroute/reserved  reservation  50M               local
noroute/reserved  mountpoint   none              inherited from noroute
noroute/reserved  canmount     off               local
noroute/reserved  type         filesystem        -

If I fill the pool now, I reduce the reservation (reduce instead of remove in case I have something writing uncontrollably to the pool) and clean up.

When this problem happens to us, I have no problem deleting a file as root
to get things back on track.  It is just that normal users cannot delete
(who are accessing only over NFS).  As soon as I delete a file as root,
then normal users can start deleting things themselves.
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