simple hack to prevent the starting of a second mds on the same server.  The running of a 2nd mds connects to the same zfs-fuse socket which causes zfs to reinitialize the zfsVfs pointer
simple hack to prevent the starting of a second mds on the same server.  The running of a 2nd mds connects to the same zfs-fuse socket which causes zfs to reinitialize the zfsVfs pointer

git-svn-id: a2d12f8ba5efd9a6cf770ee2a6d40c767093e4df@15192 3eda493b-6a19-0410-b2e0-ec8ea4dd8fda

pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable