From b9ac90d0a8f96678eabbf450ff9f31a085cf25ef Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@redhat.com>
Date: Sat, 24 Oct 2015 19:51:15 -0400
Subject: [PATCH] osd/PG: tolerate missing epoch key

An orphan PG may have an info attr but no epoch key.

Signed-off-by: Sage Weil <sage@redhat.com>
---
 src/osd/PG.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/osd/PG.cc b/src/osd/PG.cc
index 8ddfd0d6e1597..c13321c7b37ab 100644
--- a/src/osd/PG.cc
+++ b/src/osd/PG.cc
@@ -2847,7 +2847,10 @@ int PG::peek_map_epoch(ObjectStore *store,
     values.clear();
     keys.insert(ek);
     store->omap_get_values(coll_t::meta(), legacy_infos_oid, keys, &values);
-    assert(values.size() == 1);
+    if (values.size() < 1) {
+      // probably bug 10617; see OSD::load_pgs()
+      return -1;
+    }
     bufferlist::iterator p = values[ek].begin();
     ::decode(cur_epoch, p);
   } else {
-- 
2.39.5