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Old 01-05-2010, 03:53 PM   #1
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HBA make/model how do you find it on RedHat

I am more acquainted with the Solaris side of Unix and learning the ropes on Linux. How does one go about discovering what kind of HBAs are installed on a redhat box. This is what I see under /proc/scsi

# ls -l scsi
total 0
-r--r--r-- 1 root root 0 Jan 5 13:30 device_info
-r--r--r-- 1 root root 0 Jan 5 13:30 scsi
dr-xr-xr-x 2 root root 0 Jan 5 13:30 sg

# ls -l scsi/sg
total 0
-rw-r--r-- 1 root root 0 Jan 5 13:31 allow_dio
-r--r--r-- 1 root root 0 Jan 5 13:31 debug
-rw-r--r-- 1 root root 0 Jan 5 13:31 def_reserved_size
-r--r--r-- 1 root root 0 Jan 5 13:31 device_hdr
-r--r--r-- 1 root root 0 Jan 5 13:31 devices
-r--r--r-- 1 root root 0 Jan 5 13:31 device_strs
-r--r--r-- 1 root root 0 Jan 5 13:31 version

I don't see any references to Emulex or Qlogic, which is typical for most HBAs (at least in our environment).
Old 01-05-2010, 03:56 PM   #2
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HBA info is reported by the kernel at boot time, so you could check the output of dmesg. After a long enough period of time / series of events, that ring buffer gets overwritten, though.

The next idea would be to try:
# lspci -v

Pipe the output to the less pager so that you can poke through it and find your HBA.


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