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during recovery, update all remote nodes so they use the same priorities

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for the databases as this node.

(This used to be ctdb commit 465dc95fef0ff6651ff49fa94e4cf2ebd1036ac4)
This commit is contained in:
Ronnie Sahlberg 2009-10-10 16:28:20 +11:00
parent 3219f81710
commit ae57e54566
1 changed files with 51 additions and 1 deletions
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52
ctdb/server/ctdb_recoverd.c
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@ -328,6 +328,50 @@ static int set_recovery_master(struct ctdb_context *ctdb, struct ctdb_node_map *
return 0;
}
/* update all remote nodes to use the same db priority that we have
this can fail if the remove node has not yet been upgraded to
support this function, so we always return success and never fail
a recovery if this call fails.
*/
static int update_db_priority_on_remote_nodes(struct ctdb_context *ctdb,
struct ctdb_node_map *nodemap,
uint32_t pnn, struct ctdb_dbid_map *dbmap, TALLOC_CTX *mem_ctx)
{
int db;
uint32_t *nodes;
nodes = list_of_active_nodes(ctdb, nodemap, mem_ctx, true);
/* step through all local databases */
for (db=0; db<dbmap->num;db++) {
TDB_DATA data;
struct ctdb_db_priority db_prio;
int ret;
db_prio.db_id = dbmap->dbs[db].dbid;
ret = ctdb_ctrl_get_db_priority(ctdb, CONTROL_TIMEOUT(), CTDB_CURRENT_NODE, dbmap->dbs[db].dbid, &db_prio.priority);
if (ret != 0) {
DEBUG(DEBUG_ERR,(__location__ " Failed to read database priority from local node for db 0x%08x\n", dbmap->dbs[db].dbid));
continue;
}
DEBUG(DEBUG_INFO,("Update DB priority for db 0x%08x to %u\n", dbmap->dbs[db].dbid, db_prio.priority));
data.dptr = (uint8_t *)&db_prio;
data.dsize = sizeof(db_prio);
if (ctdb_client_async_control(ctdb,
CTDB_CONTROL_SET_DB_PRIORITY,
nodes,
CONTROL_TIMEOUT(), false, data,
NULL, NULL,
NULL) != 0) {
DEBUG(DEBUG_ERR,(__location__ " Failed to set DB priority for 0x%08x\n", db_prio.db_id));
}
}
return 0;
}
/*
ensure all other nodes have attached to any databases that we have
@ -1232,9 +1276,15 @@ static int do_recovery(struct ctdb_recoverd *rec,
DEBUG(DEBUG_ERR, (__location__ " Unable to create missing remote databases\n"));
return -1;
}
DEBUG(DEBUG_NOTICE, (__location__ " Recovery - created remote databases\n"));
/* update the database priority for all remote databases */
ret = update_db_priority_on_remote_nodes(ctdb, nodemap, pnn, dbmap, mem_ctx);
if (ret != 0) {
DEBUG(DEBUG_ERR, (__location__ " Unable to set db priority on remote nodes\n"));
}
DEBUG(DEBUG_NOTICE, (__location__ " Recovery - updated db priority for all databases\n"));
/* set recovery mode to active on all nodes */
ret = set_recovery_mode(ctdb, rec, nodemap, CTDB_RECOVERY_ACTIVE);