cluster: RHEL6 - fence_scsi: identify dm-multipath devices correctly

Gitweb: http://git.fedorahosted.org/git/cluster.git?p=cluster.git;a=commitdiff;h=... Commit: 1e9748b8e97b65454f4adbefbd684a44a2a13a6f Parent: cb9335662ca7fac0cbaae5e463605502e189c6f0 Author: Ryan O'Hara <rohara(a)redhat.com&gt; AuthorDate: Tue Jan 18 14:21:02 2011 -0600 Committer: Ryan O'Hara <rohara(a)redhat.com&gt; CommitterDate: Wed Jan 19 10:40:40 2011 -0600 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(a)redhat.com&gt; Reviewed-by: Lon Hohberger <lhh(a)redhat.com&gt; --- 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) {