Vvc: Created page with "* Create file with friendly names and LUN id, for example

 ORACLE_UAT_BWDLIVE_ARCH_1  10 ORACLE_UAT_BWDLIVE_DATA_1  11 ORACLE_UAT_BWDLIVE_DATA_2  12

* Run mpath-..."

2016-05-18T19:38:20Z

Created page with "* Create file with friendly names and LUN id, for example <pre> ORACLE_UAT_BWDLIVE_ARCH_1 10 ORACLE_UAT_BWDLIVE_DATA_1 11 ORACLE_UAT_BWDLIVE_DATA_2 12 </pre> * Run mpath-..."

New page

* Create file with friendly names and LUN id, for example

<pre>
ORACLE_UAT_BWDLIVE_ARCH_1 10
ORACLE_UAT_BWDLIVE_DATA_1 11
ORACLE_UAT_BWDLIVE_DATA_2 12
</pre>

* Run mpath-bindings script:

<source lang="perl">
#!/usr/bin/perl

use strict;

my $wwid='';
my ($lun, $device);

my $mapfile = $ARGV[0];
my %maps = ();
open(MF,"<$mapfile") or die "Couldn't open $mapfile with VOL_NAME LUN_ID";
while (my $line = <MF>) {
if ($line =~ m/^(\w+)\W+(\d+)/ ) {
my $vol = $1;
my $id = $2;
$maps{$id} = $vol;
}
}
close(MF);

open(MP,'multipath -l|') or die "$@";
while(my $line=<MP>) {
if ($line =~ m/^(\w+)\s+$(\w+)$/ ) {
if ($wwid ne '') {
print $maps{$lun},"\t",$wwid,"\n";
}
$device = $1;
$wwid = $2;
} elsif ($line =~ m/\d+:\d+:\d+:(\d+)/ ) {
$lun = $1;
}
}
if ($wwid ne '') {
print $maps{$lun},"\t",$wwid,"\n";
}
close(MP) or die "$@";
</source>

* stop mutipathd

service mutipathd stop

* flush multipath maps

multipath -F

* replace content of /etc/multipath/bindings with output of the perl script

<pre>
# Multipath bindings, Version : 1.0
#
# Format:
# alias wwid
#
ORACLE_UAT_BWDLIVE_ARCH_1 3624a937071eb00640bd43d2a00012813
ORACLE_UAT_BWDLIVE_DATA_1 3624a937071eb00640bd43d2a00012811
ORACLE_UAT_BWDLIVE_DATA_2 3624a937071eb00640bd43d2a00012812
</pre>

* adjust /etc/mutipath.conf

<pre>
defaults {
find_multipaths no
user_friendly_names yes
}
</pre>

* start mutipathd

service multipathd start

* enjoy

<pre>
# multipath -ll
</pre>

Multipath bindings - Revision history

Vvc: Created page with "* Create file with friendly names and LUN id, for example
ORACLE_UAT_BWDLIVE_ARCH_1 10 ORACLE_UAT_BWDLIVE_DATA_1 11 ORACLE_UAT_BWDLIVE_DATA_2 12
* Run mpath-..."