Date: Fri, 5 Jan 1996 18:06:13 -0800 (PST) From: Jaye Mathisen <mrcpu@cdsnet.net> To: "Justin T. Gibbs" <gibbs@freefall.freebsd.org> Cc: hackers@freebsd.org Subject: Re: LUN support. Message-ID: <Pine.BSF.3.91.960105180529.11047o-100000@schizo.cdsnet.net> In-Reply-To: <199601051945.LAA26831@freefall.freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Hmmm, well, I never could get it to work, it didn't even find the second LUN's on the bootup BIOS sequence, let alone the kernel finding anything. I fold, it will just be 1 big 20GB disk. On Fri, 5 Jan 1996, Justin T. Gibbs wrote: > > > >I have a RAID box that can support multiple LUN's to appear as multiple > >RAID'd disks to the host. Ie, with 10GB of disk after parity, I can make > >1 LUN look like a 5GB disk, and 5 more LUN's of 1GB each. > > Look in sys/scsi to see how to create an entry for your device. It > should work. > > >I'm on a 2940 with FreeBSD 2.1-stable. > > The 2940 fully supports multiple LUNs. You will see a large performance > increate if you use tagged queuing since in the non-tagged case, the driver > will only queue one transaction per target (locking out transactions based > on the target-lun nexus was too constly down in the sequencer). Upgrade > to the latest -stable code and define the AHC_TAGENABLE option in your > kernel config file. > > -- > Justin T. Gibbs > =========================================== > FreeBSD: Turning PCs into workstations > =========================================== >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.3.91.960105180529.11047o-100000>