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Feature #4139
closedMDS: forward scrub: add scrub_stamp infrastructure and a function to scrub a single folder
Status:
Resolved
Priority:
Normal
Assignee:
-
Category:
fsck/damage handling
Target version:
-
% Done:
0%
Source:
Development
Tags:
Backport:
Reviewed:
Affected Versions:
Component(FS):
Labels (FS):
Pull request ID:
Description
Add the scrub stamps necessary for the scrubbing algorithm described in our forward scrub proposal; be efficient about any non-permanent data by putting it in the more() struct or a separate scrub_info() struct if appropriate. Permanent metadata needs to be cleaned up or cleared properly on rename (last_scrub_version will not be meaningful outside of the original containing directory). Add functionality so that given a single dirfrag, the MDS will do the scrub on it, and a temporary interface that lets us do so while the system is running.
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