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Old 04-17-2008, 02:19 PM
 
Default Cluster Project branch, RHEL4, updated. gfs-kernel_2_6_9_76-46-gceee2fe

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http://sources.redhat.com/git/gitweb.cgi?p=cluster.git;a=commitdiff;h=ceee2fe27e ce59ef6b3643ab1e7a4cce6688727c

The branch, RHEL4 has been updated
via ceee2fe27ece59ef6b3643ab1e7a4cce6688727c (commit)
from 157b65b58448d29b0111b23990721e03bab1bcaa (commit)

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- Log -----------------------------------------------------------------
commit ceee2fe27ece59ef6b3643ab1e7a4cce6688727c
Author: Lon Hohberger <lhh@redhat.com>
Date: Tue Mar 11 10:43:37 2008 -0400

[CMAN] Fix "Node X is undead" loop bug

This was caused by an improper assignment to ps_incarnation
after a node decides to evict another node. The fix
is to simply make the internal (memory) assignments before
calling qd_write_status()

-----------------------------------------------------------------------

Summary of changes:
cman/qdisk/main.c | 34 +++++++++++++++++-----------------
1 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/cman/qdisk/main.c b/cman/qdisk/main.c
index 8e63c88..a29a5d0 100644
--- a/cman/qdisk/main.c
+++ b/cman/qdisk/main.c
@@ -253,23 +253,6 @@ check_transitions(qd_ctx *ctx, node_info_t *ni, int max, memb_mask_t mask)
state_run(ni[x].ni_status.ps_state)) {

/*
- Write eviction notice if we're the master.
- */
- if (ctx->qc_status == S_MASTER) {
- clulog(LOG_NOTICE,
- "Writing eviction notice for node %d
",
- ni[x].ni_status.ps_nodeid);
- qd_write_status(ctx, ni[x].ni_status.ps_nodeid,
- S_EVICT, NULL, NULL, NULL);
- if (ctx->qc_flags & RF_ALLOW_KILL) {
- clulog(LOG_DEBUG, "Telling CMAN to "
- "kill the node
");
- cman_kill_node(ctx->qc_ch,
- ni[x].ni_status.ps_nodeid);
- }
- }
-
- /*
Mark our internal views as dead if nodes miss too
many heartbeats... This will cause a master
transition if no live master exists.
@@ -286,6 +269,23 @@ check_transitions(qd_ctx *ctx, node_info_t *ni, int max, memb_mask_t mask)
ni[x].ni_evil_incarnation =
ni[x].ni_status.ps_incarnation;

+ /*
+ Write eviction notice if we're the master.
+ */
+ if (ctx->qc_status == S_MASTER) {
+ clulog(LOG_NOTICE,
+ "Writing eviction notice for node %d
",
+ ni[x].ni_status.ps_nodeid);
+ qd_write_status(ctx, ni[x].ni_status.ps_nodeid,
+ S_EVICT, NULL, NULL, NULL);
+ if (ctx->qc_flags & RF_ALLOW_KILL) {
+ clulog(LOG_DEBUG, "Telling CMAN to "
+ "kill the node
");
+ cman_kill_node(ctx->qc_ch,
+ ni[x].ni_status.ps_nodeid);
+ }
+ }
+
/* Clear our master mask for the node after eviction */
if (mask)
clear_bit(mask, (ni[x].ni_status.ps_nodeid-1),


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