Messages in this thread | | | Date | Mon, 12 Feb 2001 10:34:10 +0100 (CET) | From | (Arjan van de Ven) | Subject | Re: RAID1 read balancing |
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In article <20010211161242.A949@ppetru.net> you wrote:
> For a RAID1 array built of two disks on two separate SCSI controllers, > are the reads balanced between the two controllers (for higher speed) ?
With the current RAID1 setup, you will NOT get a speed increase for single-threaded, sequential reading programs (read: benchmarks like hdparm and tiobench)[1]. You will get improvents in all other cases.
Greetings, Arjan van de Ven
[1] This can be fix by a 10 line patch, however this changes the on-disk layout. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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