Add allow_net_split parameter

src/osd/osd.cpp

@@ -186,6 +186,7 @@ void osd_t::parse_config(bool init)
     no_recovery = json_is_true(config["no_recovery"]);
     auto old_no_scrub = no_scrub;
     no_scrub = json_is_true(config["no_scrub"]);
+    allow_net_split = json_is_true(config["allow_net_split"]);
     auto old_autosync_interval = autosync_interval;
     if (!config["autosync_interval"].is_null())
     {

src/osd/osd.h

@@ -106,6 +106,7 @@ class osd_t
     bool no_rebalance = false;
     bool no_recovery = false;
     bool no_scrub = false;
+    bool allow_net_split = false;
     std::string bind_address;
     int bind_port, listen_backlog = 128;
     // FIXME: Implement client queue depth limit

src/osd/osd_peering.cpp

@@ -211,7 +211,7 @@ void osd_t::start_pg_peering(pg_t & pg)
                 all_connected = false;
         }
     }
-    if (!all_connected)
+    if (!all_connected && !allow_net_split)
     {
         // Wait until all OSDs are either connected or their /osd/state disappears from etcd
         pg.state = PG_INCOMPLETE;