Feature #12274
closed
Feature #44192: mds: stable multimds scrub
mds: start forward scrubs from all subtree roots, skip non-auth metadata
Added by John Spray almost 9 years ago.
Updated over 3 years ago.
Category:
fsck/damage handling
Description
This is the basic principle that allows scrubs across multiple MDSs: everyone takes responsibility for their own subtrees, and stops at subtree boundaries.
Modify scrub initiating commands such that instead of the input path causing us to acting on the named dentry, they act on any subtrees within the path specified. So if I had a subtree situation like this:
MDS A: /foo /foo/bar/baz
MDS B: /foo/bar
Then a scrub initiated on MDS A for path "/foo" would find both subtrees and start scrubs from the root of both, rather than just from the /foo subtree.
- Category changed from fsck/damage handling to 90
- Component(FS) MDS added
- Status changed from New to In Progress
- Assignee set to Douglas Fuller
- Status changed from In Progress to Fix Under Review
- Target version set to v12.0.0
Using this ticket to track the task of implementing cross-MDS forward scrub (i.e. handing off at subtree bounds)
- Subject changed from Start forward scrubs from all subtree roots, skip non-auth metadata to mds: start forward scrubs from all subtree roots, skip non-auth metadata
- Category changed from 90 to fsck/damage handling
- Status changed from Fix Under Review to In Progress
- Target version changed from v12.0.0 to v14.0.0
- Source changed from other to Development
- Tags set to scrub
- Backport set to mimic
- Target version changed from v14.0.0 to v15.0.0
- Related to Bug #43483: mds: reject forward scrubs when cluster has multiple active MDS (more than one rank) added
- Status changed from In Progress to New
- Assignee deleted (
Douglas Fuller)
- Target version changed from v15.0.0 to v16.0.0
- Tags deleted (
scrub)
- Backport deleted (
mimic)
- Labels (FS) scrub added
- Parent task set to #44192
- Status changed from New to Fix Under Review
- Assignee set to Zheng Yan
- Pull request ID set to 35749
- Status changed from Fix Under Review to Resolved
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