Bug 2140784
| Summary: | [CEE] cephfs mds crash /builddir/build/BUILD/ceph-16.2.8/src/mds/Server.cc: In function 'CDentry* Server::prepare_stray_dentry(MDRequestRef&, CInode*)' thread 7feb58dcd700 time 2022-11-06T13:26:27.233738+0000 | ||
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| Product: | [Red Hat Storage] Red Hat Ceph Storage | Reporter: | George Law <glaw> |
| Component: | CephFS | Assignee: | Milind Changire <mchangir> |
| Status: | CLOSED ERRATA | QA Contact: | Hemanth Kumar <hyelloji> |
| Severity: | medium | Docs Contact: | Akash Raj <akraj> |
| Priority: | unspecified | ||
| Version: | 5.2 | CC: | akraj, ceph-eng-bugs, cephqe-warriors, gfarnum, kdreyer, mchangir, vereddy, vshankar, xiubli |
| Target Milestone: | --- | Keywords: | Rebase |
| Target Release: | 6.1 | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: |
.Creating same dentries after the unlink finishes does not crash the MDS daemons
Previously, there was a racy condition between unlink and creating operations. Due to this, if the previous unlink request was delayed due to any reasons, and creating same dentries was attempted during this time, it would fail by crashing the MDS daemons or new creation would succeed but the written content would be lost.
With this fix, users need to ensure to wait until the unlink finishes, to avoid conflict when creating the same dentries.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2023-06-15 09:16:13 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | |||
| Bug Blocks: | 2192813 | ||
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Comment 14
Ken Dreyer (Red Hat)
2023-04-10 21:18:22 UTC
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (Moderate: Red Hat Ceph Storage 6.1 security and bug fix update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2023:3623 The needinfo request[s] on this closed bug have been removed as they have been unresolved for 120 days |