[Beowulf] Putting /home on Lusture of GPFS
skylar.thompson at gmail.com
Wed Dec 24 06:02:31 PST 2014
On 12/24/2014 06:44 AM, Michael Di Domenico wrote:
> On Tue, Dec 23, 2014 at 6:43 PM, Christopher Samuel
> <samuel at unimelb.edu.au> wrote:
>> On 24/12/14 05:35, Michael Di Domenico wrote:
>>> I've always shied away from gpfs/lustre on /home and favoured netapp's
>>> for one simple reason. snapshots. i can't tell you home many times
>>> people have "accidentally" deleted a file.
>> We use GPFS snapshots for our project areas already, for just that
>> reason. :-)
> Hmmm, i haven't followed GPFS all that much since probably 2005'ish,
> is snapshots in it fairly new? I don't recall them being there way
> back then. Perhaps a re-evaluation is in order...
They've been supported at least since v3, not sure about before though.
One caution is that deleting snapshots is very metadata-intensive, so if
you have lots of files you'll want to consider placing your metadata on
fast storage (although probably you'll want to consider it regardless of
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