Date: Wed, 18 Jun 2008 07:27:19 +0200 From: Erik Trulsson <ertr1013@student.uu.se> To: freebsd-stable@freebsd.org Subject: Re: Management interface for cards powered by the "mfi" driver? Message-ID: <20080618052718.GA61493@owl.midgard.homeip.net> In-Reply-To: <20080618041530.GA81315@FS.denninger.net> References: <20080508050550.GA76170@FS.denninger.net> <E1Ju2Rt-000MNF-1k@dilbert.ticketswitch.com> <20080617012053.GA82316@FS.denninger.net> <20080618041530.GA81315@FS.denninger.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, Jun 17, 2008 at 11:15:30PM -0500, Karl Denninger wrote: > On Mon, Jun 16, 2008 at 08:20:53PM -0500, Karl Denninger wrote: > > On Thu, May 08, 2008 at 10:30:01AM +0100, Pete French wrote: > > > > I assume SCSI is the best path forward (either SA/SCSI or traditional) but > > > > have been out of the loop on the card(s) that work properly for a good long > > > > while. > > > > > > HP P400 cards are PCI express and SAS - they work very well under FreeBSD. > > > I've also used the cheaper E200 and that appears to be fine too, though I > > > havent run it for as long as the 400's. > > > > > > http://h18004.www1.hp.com/products/servers/proliantstorage/arraycontrollers/smartarrayp400/index.html > > > > > > -pete. > > > > > > > Following upon my own stuff, I just laid hands on a Quad-Xeon machine with an > > Intel SRCSAS18E card in it, and well, the only way I can describe it is "oh > > my GOD!" > > > > Off a couple of older 250GB SATA drives, mirrored, it sustained 70MB/sec over > > the entire disk's volume space on reads and had ZERO visible impact on CPU > > OR another process doing mixed I/O at the same time (!). > > > > That's impressive. > > > > If its stable. > > > > The cards are not cheap, however. > > > > The only "gotcha" is that all configuration of the drive(s) appears to be > > done through the controller. I assume I COULD use something like gmirror, > > but see little reason to do so. > > > > -- Karl Denninger > > karl@denninger.net > > Ok, another followup! > > Is there a mangement interface program for the "mfi" driver somewhere? I > rooted around in "ports" but didn't find one, nor on the base system. > > The Linux ones want to talk to the "amr" driver which is the older LSI Logic > MegaRAID boards, not the newer ones that the mfi driver talks to. > > No management tool = el-sucko, because you can't rebuild a failed disk or > even shut the alarm on the board off! The sysutil/linux-megacli port looks like it might do the trick. -- <Insert your favourite quote here.> Erik Trulsson ertr1013@student.uu.se
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20080618052718.GA61493>