It seems by design that ZFS counts the space used by snapshots towards
the filesystem quotas.  I can see many cases where this would be the
desired behavior, but for the common case of using one filesystem per
user home directory in combination with quotas and snapshots, this
doesn't seem to work too well.

If the user hits their quota, there seems to be no way for the user to
recover space assuming the fairly common case where they have one or
more snapshots from while their filesystem was fairly full.  Instead
they'd need to have an administrator either increase their quota (which
seems to defeat the purpose of the quotas), or destroy all of their
snapshots (which seems to defeat the purpose of using the snapshots for
any sort of backup mechanism).

Is there any way to work around this with the quota and snapshot
mechanisms built into ZFS?

Thanks,

Ed Plese

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