SUMMARY: ZFS ready for prime time ?
- From: Rob McMahon <Rob.McMahon@xxxxxxxxxxxxx>
- Date: Wed, 21 Feb 2007 11:45:44 +0000
Rob McMahon wrote:
I'm looking to set up a home directory server for a population ofLooks like that'll be a no, then. Thanks to DRoss-Smith for pointing me
~50,000 registered users, ~20,000 active, with about 1TB of storage. The
machine should last something like 3-5 years. The future is clearly ZFS,
quotas being done by having a filesystem per person with quotas being
implemented by putting a limit on the space per filesystem. It's all a
bit new for my comfort zone, though, and I was wondering if anyone out
there was doing this. Issues I see are NFS exports: I've seen reports
about bad things happening due to the commit to disk semantics, and
backups: we use Legato Networker, and whilst it backs up one or two ZFS
filesystems without issue (once you've set mountpoint=legacy and put the
filesystems in vfstab) I can't see it coping with 50,000 filesystems on
any reasonable basis.
at http://www.cuddletech.com/blog/, Slides for SVOSUG: Real World
OpenSolaris, and to David Magda for reminding me of
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss, which really
seems to be the best source for zfs information. Legato NetWorker will
currently only backup zfs filesystem if you list them individually, and
this is absolutely a non-starter, and means I'm essentially stuck.
They're saying the Autumn for proper support, which is too late for us.
The NFS issue is reportedly fixed in the latest versions, but there are
apparently issues with long boot times when you have thousands of mount
points.
I need per-user quotas, so I can't just have a handful of ZFS
filesystems, so good old UFS it is, sadly.
Cheers,
Rob
--
E-Mail: Rob.McMahon@xxxxxxxxxxxxx PHONE: +44 24 7652 3037
Rob McMahon, IT Services, Warwick University, Coventry, CV4 7AL, England
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