Date: Wed, 28 Mar 2007 11:45:28 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: Matthew Jacob <lydianconcepts@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: Dell SAS5 Performance Issue Message-ID: <20070328114141.B62476@maildrop.int.zabbadoz.net> In-Reply-To: <7579f7fb0703272018i68983d5cvb9fe84c79cebd473@mail.gmail.com> References: <460959E8.207@thekeelecentre.com> <7579f7fb0703271102q1a866897x2d63a86e72895125@mail.gmail.com> <46095CE5.5080600@thekeelecentre.com> <7579f7fb0703272018i68983d5cvb9fe84c79cebd473@mail.gmail.com>
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On Tue, 27 Mar 2007, Matthew Jacob wrote: > On 3/27/07, Richard Tector <richardtector@thekeelecentre.com> wrote: >> Thank you for the quick reply. >> Is there any information I could obtain that would be of use to you in >> tracking this one down? > > not at the momeny- it's really that I won't have time until april As said, I won't have the chance to test anything from this evening on and I had a few minutes so I added the usual printfs to get the detailed information for the reported mpt_cam_event()s. : grep ^mpt dell_pe860-20070328-02.log mpt0: <LSILogic SAS/SATA Adapter> port 0xec00-0xecff mem 0xfe9fc000-0xfe9fffff,0xfe9e0000-0xfe9effff irq 16 at device 8.0 on pci2 mpt0: Reserved 0x100 bytes for rid 0x10 type 4 at 0xec00 mpt0: Reserved 0x4000 bytes for rid 0x14 type 3 at 0xfe9fc000 mpt0: [GIANT-LOCKED] mpt0: MPI Version=1.5.12.0 mpt0: Event on. mpt0: SAS discovery started. mpt0: SAS PHY(0x00) link status: Rate: 3.0 Gbps. mpt0: SAS PHY(0x01) link status: Rate: 3.0 Gbps. mpt0: SAS discovery done. That's also what the controller reports (but I think the driver does not try to re-neg/discover anything itself here?). Most likely that's it from me on the write performance topic. -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT
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