diff --git a/src/common/ceph_context.cc b/src/common/ceph_context.cc
index f02728e38fe..df23ae7a60f 100644
--- a/src/common/ceph_context.cc
+++ b/src/common/ceph_context.cc
@@ -31,6 +31,7 @@
 #include "common/debug.h"
 #include "common/config.h"
 #include "common/ceph_crypto.h"
+#include "common/hostname.h"
 #include "common/HeartbeatMap.h"
 #include "common/errno.h"
 #include "common/Graylog.h"
@@ -346,7 +347,7 @@ public:
       log->set_graylog_level(l, l);
 
       if (conf->log_to_graylog || conf->err_to_graylog) {
-	log->start_graylog();
+	log->start_graylog(conf->host, conf.get_val<uuid_d>("fsid"));
       } else if (! (conf->log_to_graylog && conf->err_to_graylog)) {
 	log->stop_graylog();
       }
diff --git a/src/log/Log.cc b/src/log/Log.cc
index de99a3dd4ee..81fb3ff5cc4 100644
--- a/src/log/Log.cc
+++ b/src/log/Log.cc
@@ -12,6 +12,7 @@
 #include "include/ceph_assert.h"
 #include "include/compat.h"
 #include "include/on_exit.h"
+#include "include/uuid.h"
 
 #include "Entry.h"
 #include "LogClock.h"
@@ -165,11 +166,15 @@ void Log::set_graylog_level(int log, int crash)
   m_graylog_crash = crash;
 }
 
-void Log::start_graylog()
+void Log::start_graylog(const std::string& host,
+			const uuid_d& fsid)
 {
   std::scoped_lock lock(m_flush_mutex);
-  if (! m_graylog.get())
+  if (! m_graylog.get()) {
     m_graylog = std::make_shared<Graylog>(m_subs, "dlog");
+    m_graylog->set_hostname(host);
+    m_graylog->set_fsid(fsid);
+  }
 }
 
 
diff --git a/src/log/Log.h b/src/log/Log.h
index ad3a44b4fee..0d83ff037f7 100644
--- a/src/log/Log.h
+++ b/src/log/Log.h
@@ -18,6 +18,8 @@
 
 #include "log/Entry.h"
 
+struct uuid_d;
+
 namespace ceph {
 namespace logging {
 
@@ -107,7 +109,8 @@ public:
   void set_stderr_level(int log, int crash);
   void set_graylog_level(int log, int crash);
 
-  void start_graylog();
+  void start_graylog(const std::string& host,
+		     const uuid_d& fsid);
   void stop_graylog();
 
   void set_journald_level(int log, int crash);