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Bug 2218020 - e2fsck is unable to correct error reported by kernel that "No space for directory leaf checksum. Please run e2fsck -D."
Summary: e2fsck is unable to correct error reported by kernel that "No space for direc...
Keywords:
Status: CLOSED MIGRATED
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: e2fsprogs
Version: 8.7
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Nobody
QA Contact: Boyang Xue
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2023-06-27 20:59 UTC by Frank Sorenson
Modified: 2023-09-23 11:54 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2023-09-23 11:54:47 UTC
Type: Bug
Target Upstream Version:
Embargoed:
pm-rhel: mirror+

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker   RHEL-7978 0 None Migrated None 2023-09-23 11:54:43 UTC
Red Hat Issue Tracker RHELPLAN-161008 0 None None None 2023-06-27 21:00:02 UTC

Description Frank Sorenson 2023-06-27 20:59:30 UTC 
Description of problem:

The kernel is reporting "No space for directory leaf checksum. Please run e2fsck -D." for multiple filesystems, but 'e2fsck -D' is unable to correct the error.

As a result, the contents problematic directory is completely inaccessible; no file can be opened or removed.  The end result is the data loss of all files in the directory.


Version-Release number of selected component (if applicable):

e2fsprogs-1.45.6-5.el8.x86_64
more recent Fedora e2fsprogs-1.46.5-3.fc37 is also unable to correct


How reproducible:

Unknown, however the customer has 4 filesystems on one system which are all reporting the error.


Steps to Reproduce:

unknown


Actual results:

'e2fsck -D' is unable to correct the error


Expected results:

'e2fsck -D' corrects the error, as described in the kernel error message


Additional info:

All of the customer's filesystems have a blocksize of 1024 bytes, which seems likely to be contributing to the issue.
Comment 2 Frank Sorenson 2023-06-27 21:13:50 UTC 
listing the problematic directory or attempting to open or remove entries in the directory results in an EBADMSG error:

    ls: cannot access 'lastseen/by_mac/AP02cb72f947.csv': Bad message

    # rm AP02cb72f947.csv
    rm: cannot remove 'AP02cb72f947.csv': Bad message
Comment 3 Frank Sorenson 2023-06-27 21:15:08 UTC 
Note: the e2fsck error when attempting to correct the issue is:

    Failed to optimize directory /lastseen/by_mac (30941743): Directory block does not have space for checksum
Comment 5 Frank Sorenson 2023-06-29 15:45:37 UTC 
I can confirm that disabling checksums for the filesystem will make the filesystem usable again:

# fsck.ext4 -f misc.e2i
# tune2fs -ff -O^metadata_csum misc.e2i

Each step takes ages, but it works.


I also attempted to replicate the issue on a scratch filesystem, using the filenames of the entries in the problematic filesystem, but was unable to recreate the error.
Comment 6 RHEL Program Management 2023-09-23 11:52:18 UTC 
Issue migration from Bugzilla to Jira is in process at this time. This will be the last message in Jira copied from the Bugzilla bug.
Comment 7 RHEL Program Management 2023-09-23 11:54:47 UTC 
This BZ has been automatically migrated to the issues.redhat.com Red Hat Issue Tracker. All future work related to this report will be managed there.

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