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[linux-lvm] Two questions about cluster support (2 problems, actually)



Hi all,

Last year, when I last setup an LVM for cluster mode (running on a DRBD partition in Primary/Primary mode), I needed to recompile the RPM for CentOS 5.4 in order to get the liblvm2clusterlock.so to install. This was in reference to an initial error report I saw here: http://www.centos.org/modules/newbb/viewtopic.php?forum=37&post_id=28736&topic_id=8449 in 2007.

Is this still a problem? I don't see that file still (fully updated CentOS 5.4 x86_64). Without that file, I can't try 'locking_type = 2'.

Further, when I try to use 'locking_type = 3', restart 'cman' and then try to run 'pvdisplay', I *only* see the DRBD LVM PV. The underlying PV used by Xen's dom0 no longer shows:

# df -hP
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/san02-lv01   19G  3.0G   15G  17% /
/dev/sda1             244M   35M  196M  16% /boot
tmpfs                 845M     0  845M   0% /dev/shm
none                  845M  104K  845M   1% /var/lib/xenstored

# pvdisplay
  connect() failed on local socket: Connection refused
  WARNING: Falling back to local file-based locking.
  Volume Groups with the clustered attribute will be inaccessible.
  "/dev/drbd0" is a new physical volume of "399.99 GB"
  --- NEW Physical volume ---
  PV Name               /dev/drbd0
  VG Name
  PV Size               399.99 GB
  Allocatable           NO
  PE Size (KByte)       0
  Total PE              0
  Free PE               0
  Allocated PE          0
  PV UUID               kklTST-D2ta-NRxL-Zaa2-Fa0T-ebkB-KhSq1b

Resetting 'locking_type=1' and even after a reboot, I still can't see the original LVM PV.

--
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