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author | David Teigland <teigland@redhat.com> | 2015-07-13 16:33:58 -0500 |
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committer | David Teigland <teigland@redhat.com> | 2015-07-13 16:33:58 -0500 |
commit | d41bab402805c8813bb8eb0b18f3da97bb79fdf7 (patch) | |
tree | c82c2b959a0282cf8d760c752ea434f99131c1ac | |
parent | 3da88b89172b588bef69d62e18ed5db127b2c845 (diff) | |
download | lvm2-d41bab402805c8813bb8eb0b18f3da97bb79fdf7.tar.gz |
man lvmlockd: update method for changing lock type
The old description did not work.
-rw-r--r-- | man/lvmlockd.8.in | 37 |
1 files changed, 30 insertions, 7 deletions
diff --git a/man/lvmlockd.8.in b/man/lvmlockd.8.in index 659fead6f..931835064 100644 --- a/man/lvmlockd.8.in +++ b/man/lvmlockd.8.in @@ -500,20 +500,43 @@ A small sanlock VG dedicated to holding the global lock can avoid the case where the GL lock must be manually enabled after a vgremove. -.SS changing lock type +.SS changing a local VG to a lockd VG + +All LVs must be inactive to change the lock type. + +lvmlockd must be configured and running as described in USAGE. + +Change a local VG to a lockd VG with the command: +.br +vgchange \-\-lock\-type sanlock|dlm <vg_name> + +Start the VG on any hosts that need to use it: +.br +vgchange \-\-lock\-start <vg_name> -To change a local VG to a lockd VG: -vgchange --lock-type sanlock|dlm <vg_name> +.SS changing a clvm VG to a lockd VG All LVs must be inactive to change the lock type. -To change a clvm VG to a lockd VG: +1. Change the clvm VG to a local VG. + +Within a running clvm cluster, change a clvm VG to a local VG with the +command: + +vgchange \-cn <vg_name> + +If the clvm cluster is no longer running on any nodes, then extra options +can be used forcibly make the VG local. Caution: this is only safe if all +nodes have stopped using the VG: -vgchange --lock-type sanlock|dlm <vg_name> +vgchange \-\-config 'global/locking_type=0 global/use_lvmlockd=0' +.RS +\-cn <vg_name> +.RE -Changing a lockd VG to a local VG is not yet generally allowed. -(It can be done partially in certain recovery cases.) +2. After the VG is local, follow the steps described in "changing a local +VG to a lockd VG". .SS vgremove and vgreduce with sanlock VGs |