Questions about OSD recovery

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Hi all,

I did some experiments on the OSD and had some questions about it.

I removed one object directly from the osd data store. As expected,
the osd didn't notice it until I manually scrubbed the pg. However,
the scrubbing doen't trigger the recovery automatically. I had to do
'ceph pg repair' to fix it.

So, my first question is: can the recovery process be triggered
automatically once the scrubbing has detected the inconsistency?

Then, I tried again and removed another object. But this time, I
didn't scrub the pg. I restarted the osd. As expected, the osd didn't
notice that, either.

My second question is: is it possible to check the existence of the
objects when scanning the pg during osd startup? Does it make sense to
do so?

Regards,
Henry
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