Date: Tue, 31 Oct 2006 10:13:44 +0100 From: Ivan Voras <ivoras@fer.hr> To: freebsd-stable@freebsd.org Subject: Re: SAS Raid - mfi driver Message-ID: <ei7448$4rs$1@sea.gmane.org> In-Reply-To: <45470D95.5020801@qbrick.com> References: <45470D95.5020801@qbrick.com>
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Fredrik Widlund wrote: > setups but hit the same limitation again and again. The strange part is > that a Dell raid adapter based on the same chipset, the Perc 5/I, works > well with writes achieving 200MB/s. > > Any ideas would be greatly appreciated. Several: - are there cache differences between the controllers (amount of memory, cache policy)? - how does writing directly to the device (bypassing file system) compare?
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