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author | David Teigland <teigland@redhat.com> | 2017-11-21 10:37:00 -0600 |
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committer | David Teigland <teigland@redhat.com> | 2017-11-21 10:37:00 -0600 |
commit | ea0463791dcc68082ecf0b6b6681e82becaffb40 (patch) | |
tree | e041bceca511bf731c5e115969e59f84f4833694 /man/lvmlockd.8_main | |
parent | bbaaf4f1d34a1a097c20dca1f36a0f6a50c5d066 (diff) | |
download | lvm2-ea0463791dcc68082ecf0b6b6681e82becaffb40.tar.gz |
man: lvmlockd steps for changing lock type
were not quite correct
Diffstat (limited to 'man/lvmlockd.8_main')
-rw-r--r-- | man/lvmlockd.8_main | 45 |
1 files changed, 37 insertions, 8 deletions
diff --git a/man/lvmlockd.8_main b/man/lvmlockd.8_main index b7eba1ad9..fbcdc87c2 100644 --- a/man/lvmlockd.8_main +++ b/man/lvmlockd.8_main @@ -706,19 +706,24 @@ To change the dlm cluster name in the VG when the VG is still used by the original cluster: .IP \[bu] 2 -Stop the VG on all hosts: +Start the VG on the host changing the lock type +.br +vgchange --lock-start <vgname> + +.IP \[bu] 2 +Stop the VG on all other hosts: .br vgchange --lock-stop <vgname> .IP \[bu] 2 -Change the VG lock type to none: +Change the VG lock type to none on the host where the VG is started: .br vgchange --lock-type none <vgname> .IP \[bu] 2 -Change the dlm cluster name on the host or move the VG to the new cluster. -The new dlm cluster must now be active on the host. Verify the new name -by: +Change the dlm cluster name on the hosts or move the VG to the new +cluster. The new dlm cluster must now be running on the host. Verify the +new name by: .br cat /sys/kernel/config/dlm/cluster/cluster_name @@ -735,13 +740,14 @@ vgchange --lock-start <vgname> .P To change the dlm cluster name in the VG when the dlm cluster name has -already changed, or the VG has already moved to a different cluster: +already been changed on the hosts, or the VG has already moved to a +different cluster: .IP \[bu] 2 Ensure the VG is not being used by any hosts. .IP \[bu] 2 -The new dlm cluster must be active on the host making the change. +The new dlm cluster must be running on the host making the change. The current dlm cluster name can be seen by: .br cat /sys/kernel/config/dlm/cluster/cluster_name @@ -768,21 +774,44 @@ All LVs must be inactive to change the lock type. lvmlockd must be configured and running as described in USAGE. +.IP \[bu] 2 Change a local VG to a lockd VG with the command: .br vgchange --lock-type sanlock|dlm <vgname> +.IP \[bu] 2 Start the VG on hosts to use it: .br vgchange --lock-start <vgname> +.P .SS changing a lockd VG to a local VG -Stop the lockd VG on all hosts, then run: +All LVs must be inactive to change the lock type. + +.IP \[bu] 2 +Start the VG on the host making the change: +.br +vgchange --lock-start <vgname> + +.IP \[bu] 2 +Stop the VG on all other hosts: +.br +vgchange --lock-stop <vgname> + +.IP \[bu] 2 +Change the VG lock type to none on the host where the VG is started: .br vgchange --lock-type none <vgname> +.P + +If the VG cannot be started with the previous lock type, then the lock +type can be forcibly changed to none with: + +vgchange --lock-type none --lock-opt force <vgname> + To change a VG from one lockd type to another (i.e. between sanlock and dlm), first change it to a local VG, then to the new type. |