Hi,

I am upgrading a 1800 OSD cluster from Hammer 0.94.5 to 0.94.7 prior to going 
to Jewel and while doing so I see the monitors being flooded with these 
messages:

2016-07-12 08:28:12.919748 osd.1200 [WRN] failed to encode map e130549 with 
expected crc
2016-07-12 08:28:12.921943 osd.1338 [WRN] failed to encode map e130549 with 
expected crc
2016-07-12 08:28:12.923814 osd.353 [WRN] failed to encode map e130549 with 
expected crc
2016-07-12 08:28:12.939370 osd.1200 [WRN] failed to encode map e130549 with 
expected crc
2016-07-12 08:28:12.941482 osd.1338 [WRN] failed to encode map e130549 with 
expected crc
2016-07-12 08:28:12.960100 osd.1338 [WRN] failed to encode map e130549 with 
expected crc
2016-07-12 08:28:12.979404 osd.1338 [WRN] failed to encode map e130549 with 
expected crc
2016-07-12 08:28:13.012463 osd.353 [WRN] failed to encode map e130549 with 
expected crc
2016-07-12 08:28:13.039417 osd.353 [WRN] failed to encode map e130549 with 
expected crc
2016-07-12 08:28:13.079893 osd.353 [WRN] failed to encode map e130549 with 
expected crc
2016-07-12 08:28:13.111176 osd.575 [WRN] failed to encode map e130549 with 
expected crc
2016-07-12 08:28:13.135279 osd.353 [WRN] failed to encode map e130549 with 
expected crc
2016-07-12 08:28:13.144697 osd.575 [WRN] failed to encode map e130549 with 
expected crc

This just goes on and on. The flood of messages cause the monitors to start 
consuming a bit of CPU which makes the cluster operate slower.

I am restarting the OSDs slowly and when I stop doing so the messages disappear 
and the cluster operates just fine.

I know that the messages pop up due to a version mismatch, but is there any way 
to suppress them?

Wido
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