ZFS filesystem full and logs

George Hartzell hartzell at alerce.com
Wed Jul 3 16:13:16 UTC 2019

Matthew Seaman writes:
 > On 03/07/2019 08:57, Andrea Venturoli wrote:
 > > When using UFS, if a filesystem gets full, this is logged via syslogd.
 > > Can the same happen somehow for ZFS?
 > > If it's possible, how is it done?
 > ZFS doesn't fill up file systems: it fills up pools[*].  If your entire 
 > zpool is full up, then you'll know about it PDQ, as your machine will be 
 > a very unhappy bunny.  [...]

File systems can have quotas, which one can bump into even when
there's plenty of room in the underlying pool.

Systems can have more than one pool; there might be plenty of room in
one pool (e.g. zroot) while another pool (e.g. zslow) fills up.


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