Using GTP and glabel for ZFS arrays

Dmitry Morozovsky marck at
Fri Jul 23 18:04:51 UTC 2010

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> 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.


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>    --------Sequential Output------- ---Sequential Input-- --Random--
JH>    -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
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

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Frakking Cylons! You have quite a beast! ;-)

D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer:                                 marck at ]
*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck at ***

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