Using GTP and glabel for ZFS arrays

[John Hawkes-Reed]

On 23/07/2010 19:04, Dmitry Morozovsky wrote:
> On Fri, 23 Jul 2010, John Hawkes-Reed wrote:
>
> JH>  Since I still have the medium-sized ZFS array on the bench, testing this GPT
> JH>  setup seemed like a good idea.
> JH>
> JH>  The hardware's a Supermicro X8DTL-iF m/b + 12Gb memory, 2x 5502 Xeons, 3x
> JH>  Supermicro USASLP-L8I 3G SAS controllers and 24x Hitachi 2Tb drives.
>
> [snip]
>
> JH>  For an apples/oranges comparison, here's the output from the other box we
> JH>  built. The hardware's more or less the same - the drive controller's an
> JH>  Areca-1280, but the OS was Solaris 10.latest:
> JH>
> JH>     --------Sequential Output------- ---Sequential Input-- --Random--
> JH>     -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
> JH>
> JH>  GB M/sec %CPU M/sec %CPU M/sec %CPU M/sec %CPU M/sec %CPU  /sec %CPU
> JH>   5 116.8 75.0 524.7 65.4 156.3 20.3 161.6 99.2 2924.0 100.0 199999 300.0
>
> .                                                  ~~~~~~
>
> Frakking Cylons! You have quite a beast! ;-)

:D

Like I said, I think those numbers were the Bonnie test data fitting 
inside the cache.

Making all the bits work together has been a bit of a nightmare, but 
we're really pleased with the performance and stability of 8.1 + ZFS.

(Having said that, the kit will spit the drives out of the cab over the 
weekend for spite...)


-- 
JH-R