Why ceph status showing cephfs client failing to respond to cache pressure in RHCS
Issue
-
Ceph status showing
mds:client failing to respond to cache pressurewarningcluster abababab-cccc-dddd-1111-badbadbadbad health HEALTH_WARN mds0: Client cephfs-clientnode-redhat.com:cephfs failing to respond to cache pressure monmap e2: 3 mons at {rhmon01=10.10.10.3:6789/0,rhmon02=10.10.10.4:6789/0,rhmon03=10.10.10.5:6789/0} election epoch 526, quorum 0,1,2 rhmon01,rhmon02,rhmon03 fsmap exxx: 1/1/1 up {0=rhmds=up:active}, 1 up:standby osdmap exxxx: 150 osds: 150 up, 150 in flags sortbitwise,require_jewel_osds pgmap vxxxxx: 40024 pgs, 9 pools, 142 TB data, 412 Mobjects 149 TB used, 11 TB / 160 TB avail 40023 active+clean 1 active+clean+scrubbing+deep client io 4234 kB/s rd, 1324 kB/s wr, 71 op/s rd, 198 op/s wr -
What does
mds0: Client failing to respond to cache pressurewarning message indicates ?
Environment
- Red Hat Enterprise Linux 7.2
- Red Hat Ceph Storage 2.0
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