Can I mount a gfs filesystem formatted with lock_dlmlock and use it without a problem in the cluster if I have proper fencing and that fs is mounted to only one node at a time?
mount -o lockproto=lock_nolock /dev/mapper/cluster_vg-test2_lv /gfstwo/
[root@rhtest01 ~]# ./ping -rw /gfstwo/test 1
data increment = 1
140012 locks/sec
[root@rhtest01 ~]# gfs2_tool df /gfstwo/
/gfstwo:
SB lock proto = "lock_dlm"
SB lock table = "testcluster:gfstwo"
SB ondisk format = 1801
SB multihost format = 1900
Block size = 4096
Journals = 3
Resource Groups = 60
Mounted lock proto = "lock_nolock"
Mounted lock table = "testcluster:gfstwo"
Mounted host data = ""> Journal number = 0
Lock module flags = 1
Local flocks = TRUE
thanks,
Ozgur Akan
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