Hello Team,

I am working on creating cluster configurations using pacemaker on Rhel 7.2
server connected to a SAN storage controller and currently I am struck with
the below issue.
It would be great if you can help me in resolving this issue.


*Node1: hostname: node1-atto*

*Node2: hostname: node2-emulex*
[root@node1-atto ~]# mount -t gfs2 /dev/vol_group/lv /mnt/
mount: mount /dev/mapper/vol_group-lv on /mnt failed: Transport endpoint is
not connected

*Steps completed:*

1. Completed the cluster configurations and fencing (scsi_fence) with 2
nodes.
2. Created LVM using pvcreate, vgcreate, lvcreate on one node and other
node could see the created LVM successfully.
3. Created a FS with gfs2 using the below command on both the nodes -
successful,
 mkfs.gfs2 -p lock_dlm -t mycluster:gfs -j 2 /dev/vol_group/lv
*Please find the attachment - File1.xlsx*
4. When I try to mount, I see the below message,
mount: mount /dev/mapper/vol_group-lv on /mnt failed: Transport endpoint is
not connected

*Troubleshooting steps:*

1. Verified by creating with ext4 FS, mounting is successful on both the
nodes.
2. Verfied by creating with below command gfs2 FS with lock_nolock options,
mounting is successful on both the nodes
mkfs.gfs2 -p lock_nolock -t mycluster:gfs -j 2 /dev/vol_group/lv
* Issue consisterntly occurs only on lock_dlm options *

*Other steps performed by following Redhat forums:*  Still I am facing the
same mount issue. Please find the attached document File2.docx

*Query:*

1. Currently I haven't installed lvm2-cluster package on both the nodes due
to dependancy issues. Does lvm2-cluster package is mandatory on pacemaker
for mounting gfs2 on rhel 7.2
2. We have bought only one subscription for ha packages and we have
attached on Node1 and installed the related packages and reinstalled from
Node 1 and installed on Node2.
Will this have an impact to our above mount issue?
Please find the attached document File3.docx

Thanks,
Munavar.


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Attachment: File1.xlsx
Description: MS-Excel 2007 spreadsheet

Attachment: File2.docx
Description: MS-Word 2007 document

Attachment: File3.docx
Description: MS-Word 2007 document

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