Public bug reported:
xfs_repair mistakenly returns status 1 instead of 0 for any "clean" xfs-
filesystem if there "-v" and "-n" options are used together.
# xfs_repair -V
xfs_repair version 4.3.0
Run xfs_repair w/o -v:
# xfs_repair -n /dev/DEV; echo Status=$?
Phase 1 - find and verify superblock...
Phase 2 - using internal log
- zero log...
- scan filesystem freespace and inode maps...
- found root inode chunk
Phase 3 - for each AG...
- scan (but don't clear) agi unlinked lists...
- process known inodes and perform inode discovery...
- agno = 0
- agno = 1
- agno = 2
- agno = 3
- process newly discovered inodes...
Phase 4 - check for duplicate blocks...
- setting up duplicate extent list...
- check for inodes claiming duplicate blocks...
- agno = 0
- agno = 1
- agno = 2
- agno = 3
No modify flag set, skipping phase 5
Phase 6 - check inode connectivity...
- traversing filesystem ...
- traversal finished ...
- moving disconnected inodes to lost+found ...
Phase 7 - verify link counts...
No modify flag set, skipping filesystem flush and exiting.
Status=0
Add -v:
===========
Actual result:
===========
# xfs_repair -v -n /dev/DEV; echo Status=$?
Phase 1 - find and verify superblock...
- block cache size set to 185752 entries
Phase 2 - using internal log
- zero log...
zero_log: head block 2 tail block 2
- scan filesystem freespace and inode maps...
- found root inode chunk
Phase 3 - for each AG...
- scan (but don't clear) agi unlinked lists...
- process known inodes and perform inode discovery...
- agno = 0
- agno = 1
- agno = 2
- agno = 3
- process newly discovered inodes...
Phase 4 - check for duplicate blocks...
- setting up duplicate extent list...
- check for inodes claiming duplicate blocks...
- agno = 0
- agno = 1
- agno = 2
- agno = 3
No modify flag set, skipping phase 5
Phase 6 - check inode connectivity...
- traversing filesystem ...
- agno = 0
- agno = 1
- agno = 2
- agno = 3
- traversal finished ...
- moving disconnected inodes to lost+found ...
Phase 7 - verify link counts...
No modify flag set, skipping filesystem flush and exiting.
XFS_REPAIR Summary Fri Mar 18 18:18:37 2016
Phase Start End Duration
Phase 1: 03/18 18:18:37 03/18 18:18:37
Phase 2: 03/18 18:18:37 03/18 18:18:37
Phase 3: 03/18 18:18:37 03/18 18:18:37
Phase 4: 03/18 18:18:37 03/18 18:18:37
Phase 5: Skipped
Phase 6: 03/18 18:18:37 03/18 18:18:37
Phase 7: 03/18 18:18:37 03/18 18:18:37
Total run time:
Status=1
=============
Expected result:
=============
Status=0
** Affects: xfsprogs (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "log of useful commands for this issue"
https://bugs.launchpad.net/bugs/1559219/+attachment/4603455/+files/bug.log
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https://bugs.launchpad.net/bugs/1559219
Title:
"xfs_repair -n -v" always returns status 1
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