NFS zfs serveur (hardware question)
gull at gull.us
Thu Jun 23 22:49:13 UTC 2011
On Wed, Jun 22, 2011 at 6:26 PM, Damien Fleuriot <ml at my.gd> wrote:
> As a rule of thumb and for a serious server, I would recommend 1 SSD as dedicated cache and 2 SSD for a mirrored ZIL (you don't want to lose this data).
> However I think ppl posted about running intro trouble when using both ZIL and cache disks, so I suggest you only get the ZIL.
Definitely get the ZIL device. NFS performance will be almost
intolerable without it. It used to be you could work around this, at
cost of an increased risk of data loss if the server crashed, by
turning off the ZIL; but as of 9.0 this is no longer allowed, so a ZIL
device is pretty much mandatory. I'm looking at ways to add one to
one of my machines for this reason.
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