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Redhat Linux Admin Redhat Linux Cluster
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Monday, 10 December 2012

Find Your HBA Connection


This post will show the information on how to find your HBA WWN and where you HBA is connected.

# lsdev -Cc adapter 

# lsdev -p fcs0

fcs0 is made up of fscsi0 and fcnet0.

fscsi is the channel used for the transfer of data over FC HBA.

# lsattr -EHl fscsi0

And locate the field called "connected_to" which will show where you HBA is connected.

Boot Information in NVRAM

NVRAM :  Non-volatile Read Only Memory.

Its a memory on which the information about disk is stored.

# bootlist -m both -o -v

The output of this file will be similar to /etc/path_to_inst file in Solaris.