Got a call at 4am - RAID Gurus Please Read

Barry Shein bzs at
Fri Dec 12 17:57:43 UTC 2014

That might be close enough. I need to set up a test system and play
around with zfs and btrfs.


On December 11, 2014 at 21:29 mysidia at (Jimmy Hess) wrote:
 > On Thu, Dec 11, 2014 at 9:05 PM, Barry Shein <bzs at> wrote:
 > [snip]
 > > From my reading the closest you can get to disk space quotas in ZFS is
 > > by limiting on a per directory (dataset, mount) basis which is similar
 > > but different.
 > This is the normal type of quota within ZFS.   it is applied to a
 > dataset and limits the size of the dataset, such as
 > home/username.
 > You can have as many datasets ("filesystems") as you like  (within
 > practical limits),  which is probably the way to go in regards to home
 > directories.
 > But another option is
 > zfs set groupquota at groupname=100GB   example1/blah
 > zfs set userquota at user1=200MB   example1/blah
 > This would be available on the  Solaris implementation.
 > I am not 100% certain that this is available under the BSD implementations,
 > even if QUOTA is enabled in your kernel config.
 > In the past.... the BSD implementation of ZFS never seemed to be as
 > stable, functional, or performant as the OpenSolaris/Illumos version.
 > --
 > -JH

        -Barry Shein

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