Date: Sat, 19 Feb 2005 04:29:01 +0800 From: Rong-En Fan <rafan@infor.org> To: Rong-En Fan <rafan@csie.org> Cc: scsi@freebsd.org Subject: Re: Problem with mpt(4) and Infortrend RAID Message-ID: <20050218202901.GA71842@svm.csie.ntu.edu.tw> In-Reply-To: <20050218071746.GA41419@svm.csie.ntu.edu.tw> References: <20050204102558.GA2001@svm.csie.ntu.edu.tw> <1108667040.656.20.camel@spirit> <20050218071746.GA41419@svm.csie.ntu.edu.tw>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, Feb 18, 2005 at 03:17:46PM +0800, Rong-En Fan wrote: > On Fri, Feb 18, 2005 at 03:04:00AM +0800, Xin LI wrote: > > Have you got a chance to test this, I have gotten some similar problem > > and got rid of them with the following patch applied (credit goes to > > gibbs@ who fixed this last November): > > > > http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/cam/cam_xpt.c.diff?r1=1.142&r2=1.142.2.2 > > > > This might be important since I think this has affected many users who > > wants to use multiple LUN's, and thus warrants a new errata candidate > > for 5.3-RELEASE. > > > > Thanks in advance! > > I have tested this with 5.3-p5: > > 1. 2 LD -> 1 channel, 320MB/s ok (with patch) > 2. 2 LD -> 1 channel, 320MB/s failed (without patch) > > I simulate io by benchmark/blogbench This box now serves as NFS server with 20 clients. and has some heavy io (about 30MB/s, lasting for 5 hours or so) with this patch works fine. (2 channels, each channel is 1 LD running at 320MB/s). Though you said this patch solves multiple LUN problem, I think this also solve my problem here. Please consider merge to RELENG_5_3. Thanks. Regards, Rong-En Fan
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050218202901.GA71842>