[lustre-discuss] zfs ? Re: interrupted tar archive of an mdt ldiskfs
Alexander I Kulyavtsev
aik at fnal.gov
Mon Jul 13 16:34:10 PDT 2015
What about zfs MDT backup/restore in lustre 2.5.3?
I took a look at the referenced manual pages - it tells nothing about zfs MDT backup.
I believed we just use zfs send/receive in this case. Do I need to fix OI / FID mapping?
Shall I run offline lfsck and wait???
On Jul 13, 2015, at 2:09 PM, Henwood, Richard <richard.henwood at intel.com> wrote:
> On Mon, 2015-07-13 at 11:20 -0700, John White wrote:
>> Yea, I’m benchmarking rsync right now, it doesn’t seem much faster than the initial tar was at all.
>> Can you elaborate on the risk on 2.x systems?..
> Backing up a 2.x MDT (or OST) is described in manual for:
> file level (MDT only supported since 2.3):
> device level:
> I, personally, think it does an OK job of describing the limitations of
> file and device backups - but there is always room for improvement:
> Richard.Henwood at intel.com
> Tel: +1 512 410 9612
> Intel High Performance Data Division
> lustre-discuss mailing list
> lustre-discuss at lists.lustre.org
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