[9250] in linux-scsi channel archive
Re: FiberChannel cards and Linux SCSI support?
daemon@ATHENA.MIT.EDU (James Bottomley)
Wed Jul 26 13:56:59 2000
Message-Id: <200007261724.MAA01268@jb96514.il.steeleye.com>
To: Steve Wampler <sbw@tapestry.tuc.noao.edu>
cc: linux-scsi@vger.rutgers.edu
In-reply-to: Your message of "Wed, 26 Jul 2000 09:49:15 PDT."
<20000726094915.A816@tapestry.tuc.noao.edu>
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Date: Wed, 26 Jul 2000 12:24:14 -0500
From: James Bottomley <James.Bottomley@SteelEye.com>
sbw@tapestry.tuc.noao.edu said:
> Can anyone in the group recommend a good, PCI-based, FC card with SCSI
> drivers that either support 2.2.14 (and is likely to have 2.4.x
> drivers) or makes the driver source available so we can attempt a
> port?
We've had good results with Qlogic (http://www.qlogic.com). There's a driver
in 2.2.x and qlogic also provides their own source level driver which you can
download and compile from their website. (The qlogic supplied driver seems to
be more stable in a large SAN environment).
The Global Filesystem project keeps a fibre channel howto (which lists the
various adapters and drivers they've tried at)
http://www.globalfilesystem.org/howtos/fibrechannel_howto/index.html
One thing to bear in mind is that "SAN" can mean different things to
different people. Several companies are producing SAN devices which respond
as Storage Array Controller type instead of Direct Access. Linux cannot cope
with these devices natively. In the single case I've seen of this, the device
vendor also sold the fibre cards and driver for linux. The driver was written
to re-present the array as a direct access device to the SCSI mid-layer.
James Bottomley
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