Date: 23 Jul 2003 08:58:34 -0400 From: Andrew Heybey <ath@niksun.com> To: Tony Maher <tonymaher@optushome.com.au> Cc: scsi@freebsd.org Subject: Re: probing LUN's Message-ID: <85vfttl7r9.fsf@stiegl.mj.niksun.com> In-Reply-To: <200307231125.h6NBPiIS038040@dt.home> References: <200307231125.h6NBPiIS038040@dt.home>
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>>On Wed, 23 Jul 2003 21:25:44 +1000 (EST), Tony Maher <tonymaher@optushome.com.au> said:
tonymaher> Hello, I have been attempting to get a Hitachi SAN
tonymaher> attached to a FreeBSD box via a Qlogic 2300 card. The
tonymaher> card appeared to work ok (as evidenced by verbose boot
tonymaher> messages but no disk(s) was seen. Finally was able to
tonymaher> see disk with a 'camcontrol rescan 1:0:4'
tonymaher> command. Previous 'camcontrol rescan all' and 'camcontrol
tonymaher> rescan 1' failed to see disk. (and obviously not seen at
tonymaher> boot time).
tonymaher> I did not set the SAN up but from a cursory examination:
tonymaher> The SAN has two controllers and two 'logical' raid 5
tonymaher> devices. One controller is connected to a Sun box which
tonymaher> sees c1t0d[0-3] and the 4th lun appears to be given over
tonymaher> to the second controller for the FreeBSD box.
tonymaher> I assume this means that CAM does not probe all LUN's if
tonymaher> no device at LUN 0 or sys/cam/cam_xpt.c has quirk entry
tonymaher> for device that disables LUN probing. There is quirk for
tonymaher> {"HITACHI", "DK31*"} but the SAN reports as Hitachi
tonymaher> DF600F (I think, sorry its at work and I cannot access it
tonymaher> currently) so the second case shouldn't be a problem.
You need the ispfw driver (either compiled-in or modloaded) to probe
luns beyond LUN 0 for the QLogic FC card. If that is not your
problem, then I do not know...
andrew
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