Yes, a copy of the whitepaper would be most useful. If you could e-mail it to me or make it available on a website for download, that would be great. thanks, Jim Faulkner On Fri, 2 Sep 2005, Callahan, Tom wrote: > Your running into the problem of the "active/passive" link as you stated. If > you are using Qlogic FibreChannel cards, qlogic offers drivers on their > website for this. > > I have a whitepaper I've written on this topic, please contact me if you > would like a copy. We currently have many 2.6 Kernel Linux machines running > exclusively off the SAN, with true failover support. > > Thanks, > Tom Callahan > > -----Original Message----- > From: linux-raid-owner@xxxxxxxxxxxxxxx > To: linux-raid@xxxxxxxxxxxxxxx > Sent: 9/2/2005 2:38 AM > Subject: Re: question regarding multipath & Linux 2.6 > > On Thu, Sep 01, 2005 at 02:51:44PM -0400, Jim Faulkner wrote: > > > >Hello, > > > >Recently my department had a SAN installed, and I am in the process of > >setting up one of the first Linux machines connected to it. The > machine > >is running Red Hat Enterprise AS4 (x86_64), which uses Linux kernel > >version 2.6.9-11.ELsmp. > giving more info about the infamous SAN would help :) > > > >The SAN shows up twice in the kernel, as /dev/sdb and /dev/sdc. > /dev/sdb > >is inaccessible (I get a bunch of "Buffer I/O error on device sdb" > kernel > >errors), but /dev/sdc works fine. According to the administrator of > the > it probably is a cheapo storage with an Active/Passive storage > controller, you cannot use md to handle those. > > >He told me to use PowerPath, but I'd rather not have to reinstall or > it is a long time i don't see powerpath on linux, but i am in favour of > ditching proprietary multipath solutions in favour of free ones. > > > what you want is multipath-tools http://christophe.varoqui.free.fr/ > RH4 should already include a multipath-tools rpm. > > Regards, > Luca > > - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
