Dear David,
Am Mittwoch, den 12.04.2017, 13:46 +0000 schrieb David Turner:
> I can almost guarantee what you're seeing is PG subfolder splitting.
Evey day there's something new to learn about ceph ;)
> When the subfolders in a PG get X number of objects, it splits into
> 16 subfolders. Every cluster I manage has blocked requests and OSDs
> that get marked down while this is happening. To stop the OSDs
> getting marked down, I increase the osd_heartbeat_grace until the
> OSDs no longer mark themselves down during this process.
Thanks for the hint. I adjusted the values accordingly and will monitor
our cluster. This morning there were no troubles at all btw. Still
wondering what caused yesterday's mayhem ...
Regards,
--
J.Hofmüller
Nisiti
- Abie Nathan, 1927-2008
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