Date: Mon, 09 Jun 2008 16:09:21 -0600 From: Adam Bayless <adam@baylessfamily.org> To: Chuck Swiger <cswiger@mac.com> Cc: Free BSD Questions list <freebsd-questions@freebsd.org> Subject: Re: Troubleshooting a 3Ware 9550SX under 6.3 Message-ID: <484DAA11.1070909@baylessfamily.org> In-Reply-To: <E6CED381-4A26-455B-9559-B7F974558914@mac.com> References: <484D9C13.9090607@baylessfamily.org> <E6CED381-4A26-455B-9559-B7F974558914@mac.com>
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> > Caching is off; that will kill performance especially for small > transactions. If you've got battery backup for this system, consider > enabling the onboard cache...? > Chuck, that made an immediate and huge difference: # tw_cli set cache c0 u0 on # dd if=/dev/zero of=testfile 5649235+0 records in 5649234+0 records out 2892407808 bytes transferred in 40.800142 secs (70892102 bytes/sec) I had no idea having the cache on would be such a night and day difference. I'm off to order the battery backup card. Thanks!!! -adam
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