mon: trim laggy standby mdss from map
3 - minor
Pull request ID:
On wido's cluster,
9701: [2001:16f8:10:2::c3c3:3f9b]:6800/9588 '0' mds0.51 up:active seq 24685 5637: :/0 '1' mds-1.0 up:standby seq 1 laggy since 10.08.10_18:57:23.000014 5659: :/0 '1' mds-1.0 up:standby seq 1 laggy since 10.08.10_20:08:58.000500 9707: [2001:16f8:10:2::c3c3:2e5c]:6800/7497 '1' mds-1.0 up:standby seq 1
Can we trim an up:standby machine when it's sufficiently laggy? We probably need to make sure it can add itself back again if it's removed from the mdsmap.