mds: treat cluster as degraded when there is clientreplay MDS

This forbids exporting subtrees and fragmenting dirfrags when there is MDS in clientreplay state. During replaying client requests, the MDS may need to authpin some remote objects. Exporting subtrees and fragmenting dirfrags slow down replaying client requests. Signed-off-by: Yan, Zheng <[email protected]>
dano · Apr 2, 2014 · d1967f3 · d1967f3
1 parent b65a818
commit d1967f3
Showing 1 changed file with 8 additions and 6 deletions.
diff --git a/src/mds/MDSMap.h b/src/mds/MDSMap.h
@@ -477,12 +477,14 @@ class MDSMap {
     return in.size() >= max_mds;
   }
   bool is_degraded() const {   // degraded = some recovery in process.  fixes active membership and recovery_set.
-    return 
-      get_num_mds(STATE_REPLAY) + 
-      get_num_mds(STATE_RESOLVE) + 
-      get_num_mds(STATE_RECONNECT) + 
-      get_num_mds(STATE_REJOIN) + 
-      failed.size();
+    if (!failed.empty())
+      return true;
+    for (map<uint64_t,mds_info_t>::const_iterator p = mds_info.begin();
+	 p != mds_info.end();
+	 ++p)
+      if (p->second.state >= STATE_REPLAY && p->second.state <= STATE_CLIENTREPLAY)
+	return true;
+    return false;
   }
   bool is_any_failed() {
     return failed.size();