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On 18/06/10 14:35, James C. McPherson wrote:
> When I reboot the gate machine, which has around 2000 datasets
> attached, the zfs import step takes about 2 minutes.

Also, modern ZFS (Solaris 10 Update 8) supports Users/Groups quotas
directly, without creating a different dataset per user.

Beware, the quota checking is a bit "lazy", so a a user could go over
her quota for a while. Check documentation. Commands "zfs userquota",
"zfs groupquota", "zfs userspace", "zfs groupspace".

"man zfs":

"""
         Enforcement of user quotas may  be  delayed  by  several
         seconds. This delay means that a user might exceed their
         quota before the system notices that they are over quota
         and  begins  to refuse additional writes with the EDQUOT
         error message . See the  zfs  userspace  subcommand  for
         more information.
"""

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