Bug 10088 - Only LUN 0 is seen on each if my HBA's
Summary: Only LUN 0 is seen on each if my HBA's
Status: CLOSED NOTABUG
Alias: None
Product: Red Hat Linux
Classification: Retired
Component: kernel   
(Show other bugs)
Version: 6.1
Hardware: i386
OS: Linux
medium
high
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Assignee: Michael K. Johnson
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TreeView+ depends on / blocked
 
Reported: 2000-03-09 14:46 UTC by stan_schembri
Modified: 2008-05-01 15:37 UTC (History)
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Doc Type: Bug Fix
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Last Closed: 2000-07-26 17:45:30 UTC
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Description stan_schembri 2000-03-09 14:46:48 UTC 
I have two qlogic 2100 fibre channel adapters connected to a Mylex Raid
Controller fibre channel expansion unit. When I create arrays LINUX only
ever detects the array assigned LUN 0 on each HBA. Does LINUX support
multiple HBAs?
Comment 1 Adam Thompson 2000-07-26 17:45:30 UTC 
Yes, multiple-LUN support exists.
Option 1) recompile kernel with multiple LUN support
Option 2) add a parameter to the boot commandline (through LILO)
 - I can't find the parameter documented anywhere, though.

BTW: best way I've found to update the kernel under RH6.2 is to install the 
kernel-2.2.16-3.src.rpm, extract with 'rpm -bp', then go modify the config file 
that corresponds to whichever version you'll be using (i686-smp, for example), 
then go back and use 'rpm -bb' to rebuild the RPM(s).  [Warning: takes a long 
time, because it builds eight(?) versions of the kernel]
Comment 2 Alan Cox 2000-08-22 18:52:07 UTC 
max_scsi_luns=8
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