Christophe,
Did you get a chance to look at this patch? Let me know if you have any feedback.
> -----Original Message-----
> From: Moger, Babu
> Sent: Friday, May 27, 2011 9:30 AM
> To: dm-devel@xxxxxxxxxx
> Subject: [PATCH] multipath-tools: Manual failback fix
> whenpriority changes
>
> Current code switches the path-group when there is a change in priority.
> However,
> this is not the right thing to do when failback is set to manual. This
> patch fixes
> this problem. Call update_path_groups only if failback is immediate.
>
> Signed-off-by: Babu Moger <babu.moger@xxxxxxxxxx>
>
> ---
> --- multipath-tools/multipathd/main.c.orig 2011-05-26 08:06:08.000000000
> -0500
> +++ multipath-tools/multipathd/main.c 2011-05-26 08:21:39.000000000
> -0500
> @@ -1189,7 +1189,8 @@ check_path (struct vectors * vecs, struc
> condlog(4, "path prio refresh");
>
> if (update_prio(pp, new_path_up) &&
> - pp->mpp->pgpolicyfn == (pgpolicyfn *)group_by_prio)
> + (pp->mpp->pgpolicyfn == (pgpolicyfn *)group_by_prio) &&
> + pp->mpp->pgfailback == -FAILBACK_IMMEDIATE)
> update_path_groups(pp->mpp, vecs, !new_path_up);
> else if (need_switch_pathgroup(pp->mpp, 0)) {
> if (pp->mpp->pgfailback > 0 &&
>
>
>
> --
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