Otherwise you see this in debug output:
$ ceph fs dump
...
standby_count_wanted 0
[mds.d{0:4375} state up:standby-replay seq 1 addr [v2:127.0.0.1:6830/
2171112379,v1:127.0.0.1:6831/
2171112379] compat {c=[1],r=[1],i=[7ff]}]
Standby daemons:
[mds.b{
ffffffff:110a} state up:standby seq 1 addr [v2:127.0.0.1:1aab/
d4c5b653,v1:127.0.0.1:1aad/
d4c5b653] compat {c=[1],r=[1],i=[7ff]}]
Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
(cherry picked from commit
9785a3623190b6491f88181ba6b6a876d3949d5e)
o << "{c=[" << std::hex << compat.mask << "]";
o << ",r=[" << std::hex << ro_compat.mask << "]";
o << ",i=[" << std::hex << incompat.mask << "]}";
+ o << std::dec;
return o;
}