[lustre-discuss] zfs -- mds/mdt -- ssd model / type recommendation

[Isaac Huang]

Since there's no TRIM support for ZFS on Linux yet, I wonder if
someone has data/experience to share about ZFS on SSD performance as
the SSDs age. Some believe for modern over-provisioned SSDs, lack of
TRIM isn't any big deal but I talked with some SSD developers here
and they all disagreed.

-Isaac

On Mon, May 04, 2015 at 02:18:35PM -0400, Kevin Abbey wrote:
> Hi,
> 
>  For a single node OSS I'm planning to use a combined MGS/MDS.  Can anyone
> recommend an enterprise ssd designed for this workload?  I'd like to create
> a raid10  with 4x ssd using zfs as the backing fs.
> 
> Are there any published/documented systems using zfs in raid 10 using ssd?
> 
> Thanks,
> Kevin
> 
> 
> -- 
> Kevin Abbey
> Systems Administrator
> Rutgers University
> 
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-- 
-Isaac