[zfs-discuss] One dataset per user?

Ian Collins
2010-06-20T20:55:59Z

On 06/21/10 03:55 AM, Roy Sigurd Karlsbakk wrote:
> Hi all
>
> We''re working on replacing our current fileserver with something
based on either Solaris or NexentaStor. We have about 200 users with variable
needs. There will also be a few common areas for each department and perhaps a
backup area. I think these should be separated with datasets, for simplicity and
overview, but I''m not sure if it''s a good idea.
>
> I have read people are having problems with lengthy boot times with lots of
datasets. We''re planning to do extensive snapshotting on this system,
so there might be close to a hundred snapshots per dataset, perhaps more. With
200 users and perhaps 10-20 shared department datasets, the number of
filesystems, snapshots included, will be around 20k or more.
>
>
200 user filesystems isn''t too big.  One of the systems I look after
has
about 1100 user filesystems with up to 20 snapshots each.  The impact on
boot time is minimal.

--
Ian.