On Wed, 2017-04-19 at 20:05 +, Simon Thompson (IT Research Support)
wrote:
> By having many LUNs, you get many IO queues for Linux to play with. Also the
> raid6 overhead can be quite significant, so it might be better to go with
> raid1 anyway depending on the controller...
>
> And if only
On Wed, 2017-04-19 at 14:23 -0700, Alex Chekholko wrote:
> On 04/19/2017 12:53 PM, Buterbaugh, Kevin L wrote:
> >
> > So you’re considering the purchase of a dual-controller FC storage array
> > with 12 or so 1.8 TB SSD’s in it, with the idea being that that storage
> > would be in its’ own
pfsug main discussion list <gpfsug-discuss@spectrumscale.org>
> Date: 04/19/2017 09:54 PM
> Subject: [gpfsug-discuss] RAID config for SSD's used for data
> Sent by: gpfsug-discuss-boun...@spectrumscale.org
>
> Hi All,
>
> We currently have what I believe is a fairly
Hi All,
We currently have what I believe is a fairly typical setup … metadata for our
GPFS filesystems is the only thing in the system pool and it’s on SSD, while
data is on spinning disk (RAID 6 LUNs). Everything connected via 8 Gb FC SAN.
8 NSD servers. Roughly 1 PB usable space.
Now
