Hi,
I've noticed that the btrfs file storage is performing some
cleanup/compacting operations during OSD startup.
Before OSD start:
/dev/sdc1 2.8T 2.4T 390G 87% /var/lib/ceph/osd/ceph-58
After OSD start:
/dev/sdc1 2.8T 2.2T 629G 78% /var/lib/ceph/osd/ceph-58
OSDs are configured with firefly default settings.
This "compacting" of the underlying storage happens during the PG
loading phase of the OSD start.
Is it possible to trigger this compacting without restarting the OSD?
Best regards,
Burkhard
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