Hi,
On Oracle linux 7.2 I've setup ocfs2 ( 1.8.0-17.el7 ), and it working with local heartbeat ( shared disk is visible and fs on it is accessible from both nodes ).
I presented 3 more disks in same way like this shared, and leave them unpartitioned. Then tryed to add them as a global heartbeat devices but I get:
# o2cb add-heartbeat cluster1 /dev/sdb
o2cb: Unknown code ocfs 8 while reading region on device '/dev/sdb'
Here is a fdisk from both nodes ( sda is a os disk, separate on both nodes, sde is a cluster disk, with ocfs2 fs on sde1, and sdb, sdc and sdd are for heartbeat )
# fdisk -l | grep sd
Disk /dev/sda: 91.3 GB, 91268055040 bytes, 178257920 sectors
/dev/sda1 * 2048 1026047 512000 83 Linux
/dev/sda2 1026048 178257919 88615936 8e Linux LVM
Disk /dev/sdb: 1073 MB, 1073741824 bytes, 2097152 sectors
Disk /dev/sde: 10.7 GB, 10737418240 bytes, 20971520 sectors
/dev/sde1 2048 20971519 10484736 83 Linux
Disk /dev/sdc: 1073 MB, 1073741824 bytes, 2097152 sectors
Disk /dev/sdd: 1073 MB, 1073741824 bytes, 2097152 sectors
From VMWare disks sdb, sdc, sdd and sde are presented to both nodes in same way ( paravirtual adapter, ... ).
I tryed to search here but only one post have similar question ( ) but no answer.
Regards