diff options
| author | Kurt Hackel <kurt.hackel@oracle.com> | 2006-01-12 14:24:55 -0800 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2006-02-03 13:47:20 -0800 |
| commit | e2faea4ce340f199c1957986c4c3dc2de76f5746 (patch) | |
| tree | 2336b06cf270b3cff2ff39ba75fc67639dc63df9 /fs/ocfs2/dlm/dlmmaster.c | |
| parent | 0d419a6a95ee158675aa184c6c3e476b22d02145 (diff) | |
[PATCH] ocfs2/dlm: fixes
* fix a hang which can occur during shutdown migration
* do not allow nodes to join during recovery
* when restarting lock mastery, do not ignore nodes which come up
* more than one node could become recovery master, fix this
* sleep to allow some time for heartbeat state to catch up to network
* extra debug info for bad recovery state problems
* make DLM_RECO_NODE_DATA_DONE a valid state for non-master recovery nodes
* prune all locks from dead nodes on $RECOVERY lock resources
* do NOT automatically add new nodes to mle nodemaps until they have properly
joined the domain
* make sure dlm_pick_recovery_master only exits when all nodes have synced
* properly handle dlmunlock errors in dlm_pick_recovery_master
* do not propagate network errors in dlm_send_begin_reco_message
* dead nodes were not being put in the recovery map sometimes, fix this
* dlmunlock was failing to clear the unlock actions on DLM_DENIED
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/dlm/dlmmaster.c')
| -rw-r--r-- | fs/ocfs2/dlm/dlmmaster.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index 27e984f7e4c..a3194fe173d 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -1050,17 +1050,10 @@ static int dlm_restart_lock_mastery(struct dlm_ctxt *dlm, node = dlm_bitmap_diff_iter_next(&bdi, &sc); while (node >= 0) { if (sc == NODE_UP) { - /* a node came up. easy. might not even need - * to talk to it if its node number is higher - * or if we are already blocked. */ - mlog(0, "node up! %d\n", node); - if (blocked) - goto next; - - if (node > dlm->node_num) { - mlog(0, "node > this node. skipping.\n"); - goto next; - } + /* a node came up. clear any old vote from + * the response map and set it in the vote map + * then restart the mastery. */ + mlog(ML_NOTICE, "node %d up while restarting\n", node); /* redo the master request, but only for the new node */ mlog(0, "sending request to new node\n"); @@ -2005,6 +1998,15 @@ fail: break; mlog(0, "timed out during migration\n"); + /* avoid hang during shutdown when migrating lockres + * to a node which also goes down */ + if (dlm_is_node_dead(dlm, target)) { + mlog(0, "%s:%.*s: expected migration target %u " + "is no longer up. restarting.\n", + dlm->name, res->lockname.len, + res->lockname.name, target); + ret = -ERESTARTSYS; + } } if (ret == -ERESTARTSYS) { /* migration failed, detach and clean up mle */ |