Messages in this thread | | | Date | Wed, 26 Jul 2006 18:10:02 -0400 (EDT) | From | Justin Piszcz <> | Subject | Re: 3ware disk latency? |
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On Wed, 26 Jul 2006, adam radford wrote:
> On 7/26/06, dean gaudet <dean@arctic.org> wrote: >> >> unfortunately when i did the experiment i neglected to perform >> simultaneous tests on more than one 3ware unit on the same controller. i >> got great results from a raid1 or from a raid10 (even a raid5)... but >> never i only tested one unit at a time. >> > > Did you try setting /sys/class/scsi_host/hostX/cmd_per_lun to 256 / num_units > ? > > -Adam > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
Speaking of this does anyone having any tuning guides for running 10 disk raid 5's on this controller? And as far as ext3 goes, what are the best optimizations?
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