Dear Ceph users,
I put together a cluster by reusing some (very) old machines with low
amounts of RAM, as low as 4 GB for the worst case. I'd need to set
osd_memory_target properly to avoid going OOM, but it seems there is a
lower limit preventing me to do so consistently:
1) in the cluster logs I continuously get this message:
Unable to set osd_memory_target on ceph01 to 402653184: error parsing
value: Value '831882342' is below minimum 939524096
2) if I try to set it manually I get this error:
# ceph config set osd.7 osd_memory_target 402653184
Error EINVAL: error parsing value: Value '402653184' is below minimum
939524096
3) if I use the --force option then the value is set, but it is lost
after a osd restart
How can I fix this issue?
Thanks,
Nicola
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