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Message-ID: <20080326120713.24cb8093@harpe.intellique.com> Date: Wed, 26 Mar 2008 12:07:13 +0100 From: Emmanuel Florac <eflorac@...ellique.com> To: "Bart Van Assche" <bart.vanassche@...il.com> Cc: linux-kernel@...r.kernel.org Subject: Re: RAID-1 performance under 2.4 and 2.6 Le Wed, 26 Mar 2008 09:42:19 +0100 "Bart Van Assche" <bart.vanassche@...il.com> écrivait: > Keep in mind that the above test tests two subsystems at the same > time: RAID-1 + the filesystem on top of it. I'm using XFS usually, and I've also checked against the raw devices and it looks the same (2.4 still faster). I must add that the difference is somewhat reduced when using a single disk drive vs. RAID-1, obviously due to different buffering policy in the RAID subsystem. -- ---------------------------------------- Emmanuel Florac | Intellique ---------------------------------------- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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