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All, I have a small ceph cluster with 4 OSDs and 3 MONs on 4 systems. I was rsyncing about 50TB of files and things get very slow. To the point I stopped the rsync, but even with everything stopped, I see: health HEALTH_WARN 80 requests are blocked > 32 sec The number was as high as 218, but they seem to be draining down. I see no issues on any of the systems, CPU load is low, memory usage is low. How do I go about finding why a request is blocked for so long? These have been hitting >500 seconds for block time. Brian Andrus ITACS/Research Computing Naval Postgraduate School Monterey, California voice: 831-656-6238 |
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