On Mon, Feb 29, 2016 at 03:10:35PM +0000, Vladislav Bogdanov wrote:
> Now OCF RA has plenty of parameters, most of them are external to drbd
> itself. Allow to change that parameters without resource restart.
Ok.
Though I usually do
maintenance-mode=on
change stuff
double check stuff
maybe do some "cleanup"
tripple check stuff
maintenance-mode=off (but do not commit yet)
crm_simulate
potentially go back a few steps ...
commit
> As an added value, adjust resource configuration just in case the
> reload operation was requested by administrator
> (if https://github.com/ClusterLabs/pacemaker/pull/606 is going to be
> merged).
> ---
> scripts/drbd.ocf | 30 ++++++++++++++++++++++++++++++
> 1 files changed, 30 insertions(+), 0 deletions(-)
>
> diff --git a/scripts/drbd.ocf b/scripts/drbd.ocf
> index 632e16e..5c87d32 100755
> --- a/scripts/drbd.ocf
> +++ b/scripts/drbd.ocf
> @@ -263,6 +263,7 @@ See description of unfence_if_all_uptodate.
>
> <actions>
> <action name="start" timeout="240" />
> +<action name="reload" timeout="30" />
> <action name="promote" timeout="90" />
> <action name="demote" timeout="90" />
> <action name="notify" timeout="90" />
> @@ -790,6 +791,32 @@ drbd_start() {
> return $rc
> }
>
> +drbd_reload() {
> + local rc
> + local status
> +
> + rc=$OCF_ERR_GENERIC
> +
> + drbd_status
> + status=$?
> +
> + case "$status" in
> + $OCF_SUCCESS|$OCF_RUNNING_MASTER)
> + # Adjust resource just in case reload was requested manually
> + # Changes to resource parameters do not require this
> + do_drbdadm adjust $DRBD_RESOURCE
> + rc=$OCF_SUCCESS
> + ;;
> + $OCF_NOT_RUNNING)
No need for no-ops.
> + :
> + ;;
> + esac
> + # Update score as adjust_master_score may be changed
> + drbd_update_master_score
> +
> + return $rc
> +}
> +
> drbd_promote() {
> local rc
> local status
> @@ -1187,6 +1214,9 @@ start)
> stop)
> drbd_stop
> ;;
> +reload)
> + drbd_reload
> + ;;
> notify)
> drbd_notify
> ;;
--
: Lars Ellenberg
: http://www.LINBIT.com | Your Way to High Availability
: DRBD, Linux-HA and Pacemaker support and consulting
DRBD® and LINBIT® are registered trademarks of LINBIT, Austria.
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