Dear, Ceph.
I'm wondering how does Ceph isolate bad blocks when EIO occurs.
I saw source codes and I found the logic of deep scrub, chunky_scrub() in PG.cc.
And I understood the real recovery logic is in submit_push_data() in
ReplicatedBackend.cc.
It pulled an object from another replica and submit it.
But, I couldn't find the logic about isolating bad blocks for preventing future
errors.
I think EIO error will occur again when Ceph accesses that block block again.
Is there any isolation logic for bad blocks?
Thank you.
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이영준 LEE YOUNGJOON
Naver Labs 서비스플랫폼G 분산시스템개발랩 / 연구원
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