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Go Back   Linux Archive > Redhat > Cluster Development

 
 
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Old 01-18-2011, 07:42 PM
"Ryan O'Hara"
 
Default fence_scsi: identify dm-multipath devices correctly

Previously, fence_scsi would only identify /dev/dm* devices as being
multipath devices. This prevented the use of "friendly" dm-multipath
names (eg. /dev/mapper/mpath1). Since fence_scsi can now be passed
devices to operate on, it should be able to handle "friendly" names,
too. This patch fixes the problem by getting the absolute path of the
device at registration time.

Resolves: rhbz#644389

Signed-off-by: Ryan O'Hara <rohara@redhat.com>
---
fence/agents/scsi/fence_scsi.pl | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/fence/agents/scsi/fence_scsi.pl b/fence/agents/scsi/fence_scsi.pl
index 9ee8917..8ddde4e 100644
--- a/fence/agents/scsi/fence_scsi.pl
+++ b/fence/agents/scsi/fence_scsi.pl
@@ -1,5 +1,6 @@
#!/usr/bin/perl

+use Cwd 'realpath';
use File::Basename;
use Getopt::Std;
use POSIX;
@@ -112,6 +113,8 @@ sub do_register ($$$)
my $self = (caller(0))[3];
my ($host_key, $node_key, $dev) = @_;

+ $dev = realpath ($dev);
+
if (substr ($dev, 5) =~ /^dm/) {
my @slaves = get_mpath_slaves ($dev);
foreach (@slaves) {
@@ -139,6 +142,8 @@ sub do_register_ignore ($$)
my $self = (caller(0))[3];
my ($node_key, $dev) = @_;

+ $dev = realpath ($dev);
+
if (substr ($dev, 5) =~ /^dm/) {
my @slaves = get_mpath_slaves ($dev);
foreach (@slaves) {
--
1.7.2.3
 

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