Date: Tue, 31 Oct 2006 10:35:25 +0100 From: Fredrik Widlund <fredrik.widlund@qbrick.com> To: Ivan Voras <ivoras@fer.hr> Cc: freebsd-stable@freebsd.org Subject: Re: SAS Raid - mfi driver Message-ID: <454718DD.8060108@qbrick.com> In-Reply-To: <ei7448$4rs$1@sea.gmane.org> References: <45470D95.5020801@qbrick.com> <ei7448$4rs$1@sea.gmane.org>
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Ivan Voras wrote: > Several: > > - are there cache differences between the controllers (amount of > memory, cache policy)? Default settings on both. > - how does writing directly to the device (bypassing file system) > compare? Drives are four seagate 7200.10 400GB in a Raid-5 configuration. [/mnt/test (/dev/mfid0p1 mounted)] read: 200MB/s write: 15MB/s [/dev/mfid0p1] read: 200MB/s write: 8MB/s [/dev/mfid0] read: 200MB/s write: 10MB/s Kind regards, Fredrik Widlund
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