[LU-3336] LFSCK II: MDT-OST OST orphan handling

• Status: Resolved
• Project: Lustre
• Affects Version/s: Lustre 2.6.0
• Fix Version/s: Lustre 2.6.0
• Type: New Feature
• Priority: Critical
• Reporter: Andreas Dilger
• Assignee: nasf (Inactive)
• Resolution: Fixed
• Labels: LFSCK
• Story Points: 89
• Epic: layout

Description

This ticket relates to handling of OST orphan cleanup. This includes:

• create an in-memory bitmap for OST FIDs that have been referenced during MDS Pass 1 checking
• after the OST Pass 2 scanning is complete, any OST objects that have not been referenced need to be verified with the MDT, and added to lost+found or unlinked (depending on administrator preference)

Issue Links

• is blocking: LU-1267 LFSCK II: MDT-OST consistency check/r...
• is blocked by: LU-3469 OSP dt_sync() operation should flush ...
• is related to: LU-4670 suite sanity test_222a test223: f223....
• is related to: LU-11302 schedule while atomic with lfsck code

Comments

[nasf (Inactive)]

The patches:

1) http://review.whamcloud.com/#/c/7743/
2) http://review.whamcloud.com/#/c/8303/
3) http://review.whamcloud.com/#/c/7810/
4) http://review.whamcloud.com/#/c/8305/
5) http://review.whamcloud.com/#/c/7811/

[nasf (Inactive)]

Above five patches have been landed to master.

[nasf (Inactive)]

All patches have been landed to master.