Ah, answering my own question. Upgrading to CentOS 4.5 actually clears
this up.
Also, someone e-mailed me saying the option should be "max_luns" instead
of "max_scsi_luns", for anyone struggling with this in the future.
Eric Solomon wrote:
This is one of those autoloaders where the tape drive and the library
share a SCSI ID, but are on different LUN's - specifically the library
should be on LUN 1. Apparently since so many devices like this are
broken, recent kernels don't probe beyond the first LUN, so it's not
detecting the library.
My /proc/scsi/scsi output:
Attached devices:
Host: scsi4 Channel: 01 Id: 00 Lun: 00
Vendor: MegaRAID Model: LD 0 RAID1 70G Rev: 1L47
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi5 Channel: 00 Id: 05 Lun: 00
Vendor: HP Model: C5713A Rev: H910
Type: Sequential-Access ANSI SCSI revision: 02
I read somewhere that this shouldn't be a problem with RHEL 4, but I
can't seem to get it detected. I tried to add
options scsi_mod max_scsi_luns=6
to modprobe.conf and regenerated initrd - no change. Tried adding
max_luns=6 max_report_luns=6
to the kernel line in grub.conf, no change. I tried to manually add
it by doing:
echo "scsi add-single-device 0 0 5 1" > /proc/scsi/scsi
but again, no change.
Any suggestions? Am I on the right track and just doing something
wrong? I know recompiling the kernel is not the best thing, but not
sure what to do here. Thanks.
--
Eric Solomon
Senior Unix Engineer
Clickability
____________________________________
Simplifying Content Management
130 Battery Street, Suite 300 San Francisco CA 94111
Tel 415-575-5125 eric@xxxxxxxxxxxxxxxx
Fax 415-538-0839 http://www.clickability.com
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