Hi Christophe,
Current delay time of defered failback is 1 second shorter than
"failback" setting in multipath.conf, because defered_failback_tick()
is called before sleep(1) in checkerloop().
diff -rup git/multipathd/main.c failback-tick-fix/multipathd/main.c
--- git/multipathd/main.c 2005-10-12 10:08:28.000000000 -0400
+++ failback-tick-fix/multipathd/main.c 2005-10-12 14:16:12.000000000 -0400
@@ -1242,7 +1242,7 @@ checkerloop (void *ap)
*/
if (pp->mpp->pgfailback > 0)
pp->mpp->failback_tick =
- pp->mpp->pgfailback;
+ pp->mpp->pgfailback + 1;
else if (pp->mpp->pgfailback == -FAILBACK_IMMEDIATE &&
need_switch_pathgroup(pp->mpp, 1))
switch_pathgroup(pp->mpp);
@@ -1281,7 +1281,7 @@ checkerloop (void *ap)
if (need_switch_pathgroup(pp->mpp, 0)) {
if (pp->mpp->pgfailback > 0)
pp->mpp->failback_tick =
- pp->mpp->pgfailback;
+ pp->mpp->pgfailback + 1;
else if (pp->mpp->pgfailback ==
-FAILBACK_IMMEDIATE)
switch_pathgroup(pp->mpp);
Regards,
Kiyoshi Ueda
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