Shell script to check the SAN dual path.

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# 1  
Old 08-11-2011
Shell script to check the SAN dual path.

I would like to create a shell script which would check whether the hosts have SAN dual path or not. If yes, then I should get a success message, else should get a list of hosts on which SAN dual path is not working.

# 2  
Old 08-11-2011
Where is the problem? Things you should do:
  • Get to know the command to display the number/status of your SAN paths. If you have no clue, maybe tell the people here what OS you are using together with which pathing software you use.
  • Using this command, there would be some kind of output which could be parsed by grep or awk etc., maybe with some if/then/fi logic etc., but that depends on the output what might be better suited or not.

If you have a particular problem, do not hesitate to ask but don't expect the people to write a script for you especially not without this scarce info.
# 3  
Old 08-12-2011
Well, I myself would'nt like someone doing my homework and it was my mistake that I did not entered the requested details in my request.
Sorry for not mentioning the type of os on which this script needs to run. I am probably looking for SAN dual path information on Linux, AIX and Solaris hosts.

I have made a script for Linux and would like to know whether it looks good or not

#! /bin/ksh
for i in `cat /var/scripts/SAN/hostns_list`
echo === $i ===
ssh $i /opt/MLsan/inq


Similarly for SUN and AIX, the script is as follows:
/usr/sbin/fcinfo hba-port | egrep 'State|lpfc'
/sbin/multipath -ll
/usr/sbin/lsdev -Cc adapter | grep fcs
for i in `vxdisk -o alldgs list | sed 1d | awk '{print $1}'`
echo "$i - `vxdisk list $i | grep numpaths`"


These scripts needs to be integrated in my buildcheck so that the scripts can run on any hosts we desire and get the result.

Last edited by Franklin52; 08-12-2011 at 03:15 PM.. Reason: Please use code tags
# 4  
Old 08-15-2011
So logically you will have to check what type of OS you are on, maybe use uname -a which should work on most types. According to this, issue the command you want to use. You could do that in case / esac block for example.
# 5  
Old 08-22-2011
We have a script which when run on the host gives us the status of the internal and SAN attached disks. The output of which is as follows:

1. cciss/c0d0 HP LOGICAL VOLUME N/A N/A N/A 68.33 1 1
2. sdb EMC SYMMETRIX 27 7300 251 app_DG 50.58 2 2
N =Number of Paths (NE =Not Enabled)
E =Number of Currently Enabled Paths

================================================== =======

The requirement now is to create another script which will check the SAN path status from the above script. If the no of Paths shows less than 1 for SAN disks, then I should get an alert that SAN path failed or if all the path is ok, then SAN path is ok.

Thanking in anticipation.

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