mirror of
https://github.com/samba-team/samba.git
synced 2024-12-22 13:34:15 +03:00
ctdb-ipalloc: Fix cumulative takeover timeout
Commit c40fc62642
runs the IP allocation
algorithm after calculating the timeout offset. If the algorithm
takes a long time then there may be no attempt to release or take over
IPs.
Instead, reset the timeout just before the RELEASE_IP stage if an
early jump to IPREALLOCATED was not taken.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12161
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Thu Aug 18 12:36:37 CEST 2016 on sn-devel-144
This commit is contained in:
parent
b21308252e
commit
626dcc9e49
@ -1539,16 +1539,9 @@ int ctdb_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map_old *nodem
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Each of the later stages (RELEASE_IP, TAKEOVER_IP,
|
||||
* IPREALLOCATED) notionally has a timeout of TakeoverTimeout
|
||||
* seconds. However, RELEASE_IP can take longer due to TCP
|
||||
* connection killing, so sometimes needs more time.
|
||||
* Therefore, use a cumulative timeout of TakeoverTimeout * 3
|
||||
* seconds across all 3 stages. No explicit expiry checks are
|
||||
* needed before each stage because tevent is smart enough to
|
||||
* fire the timeouts even if they are in the past. Initialise
|
||||
* this here to cope with early jumps to IPREALLOCATED. */
|
||||
timeout = timeval_current_ofs(3 * ctdb->tunable.takeover_timeout,0);
|
||||
/* Default timeout for early jump to IPREALLOCATED. See below
|
||||
* for explanation of 3 times... */
|
||||
timeout = timeval_current_ofs(3 * ctdb->tunable.takeover_timeout, 0);
|
||||
|
||||
/*
|
||||
* ip failover is completely disabled, just send out the
|
||||
@ -1622,6 +1615,20 @@ int ctdb_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map_old *nodem
|
||||
|
||||
ZERO_STRUCT(ip); /* Avoid valgrind warnings for union */
|
||||
|
||||
/* Each of the following stages (RELEASE_IP, TAKEOVER_IP,
|
||||
* IPREALLOCATED) notionally has a timeout of TakeoverTimeout
|
||||
* seconds. However, RELEASE_IP can take longer due to TCP
|
||||
* connection killing, so sometimes needs more time.
|
||||
* Therefore, use a cumulative timeout of TakeoverTimeout * 3
|
||||
* seconds across all 3 stages. No explicit expiry checks are
|
||||
* needed before each stage because tevent is smart enough to
|
||||
* fire the timeouts even if they are in the past. Initialise
|
||||
* this here so it explicitly covers the stages we're
|
||||
* interested in but, in particular, not the time taken by the
|
||||
* ipalloc().
|
||||
*/
|
||||
timeout = timeval_current_ofs(3 * ctdb->tunable.takeover_timeout, 0);
|
||||
|
||||
/* Send a RELEASE_IP to all nodes that should not be hosting
|
||||
* each IP. For each IP, all but one of these will be
|
||||
* redundant. However, the redundant ones are used to tell
|
||||
|
Loading…
Reference in New Issue
Block a user