Bug 1594323
| Summary: | umount on evicted kclient blocks forever | ||
|---|---|---|---|
| Product: | [Red Hat Storage] Red Hat Ceph Storage | Reporter: | Ram Raja <rraja> |
| Component: | CephFS | Assignee: | Patrick Donnelly <pdonnell> |
| Status: | CLOSED ERRATA | QA Contact: | Tejas <tchandra> |
| Severity: | medium | Docs Contact: | |
| Priority: | low | ||
| Version: | 3.0 | CC: | ceph-eng-bugs, ceph-qe-bugs, john.spray, rperiyas, tchandra |
| Target Milestone: | z5 | ||
| Target Release: | 3.0 | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | RHEL: ceph-12.2.4-32 Ubuntu: ceph_12.2.4-36redhat1xenial | Doc Type: | If docs needed, set a value |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2018-08-09 18:27:13 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: | |||
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Description
Ram Raja
2018-06-22 15:49:58 UTC
>
3. Try unmounting for 30 sec
```
sudo umount /home/rraja/cephfs/
```
Meant to say try unmounting. Ignore the 'try for 30 seconds bit'.
(In reply to Ram Raja from comment #0) > Description of problem: > Unmount on evicted Ceph kernel client blocks forever. > > Version-Release number of selected component (if applicable): > > > How reproducible: > > > Steps to Reproduce: > 1. Mount ceph filesystem using kernel client. So something like, > ``` > sudo mount.ceph 10.215.99.65:40673:/ /home/rraja/cephfs/ -o > name=admin,secret=AQAUzixbe714KxAAUlKEnp++jPPznuE/Lozk0g== > ``` > 2. Evict the kernel client, > ``` > ceph tell mds.0 client evict id=<client-id> > ``` > you can figure out the client ID by using the following command to list > the clients, and matching client.metadata > > 3. Try unmounting for 30 sec > ``` > sudo umount /home/rraja/cephfs/ ``` Just umount once, and don't need to repeat for 30 seconds > > Actual results: > Umount fails (with device busy) > > Expected results: > Umount succeeds > > > Additional info: (In reply to Ram Raja from comment #6) > (In reply to Ram Raja from comment #0) > > Description of problem: > > Unmount on evicted Ceph kernel client blocks forever. > > > > Version-Release number of selected component (if applicable): > > > > > > How reproducible: > > > > > > Steps to Reproduce: > > 1. Mount ceph filesystem using kernel client. So something like, > > ``` > > sudo mount.ceph 10.215.99.65:40673:/ /home/rraja/cephfs/ -o > > name=admin,secret=AQAUzixbe714KxAAUlKEnp++jPPznuE/Lozk0g== > > ``` > > 2. Evict the kernel client, > > ``` > > ceph tell mds.0 client evict id=<client-id> > > ``` > > you can figure out the client ID by using the following command to list > > the clients, and matching client.metadata > > > > 3. Try unmounting for 30 sec > > ``` > > sudo umount /home/rraja/cephfs/ > ``` > > Just umount once, and don't need to repeat for 30 seconds And please force umount instead of just umount, ``` sudo umount -f /home/rraja/cephfs/ ``` > > > > > Actual results: > > Umount fails (with device busy) > > > > Expected results: > > Umount succeeds > > > > > > Additional info: 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, 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/RHBA-2018:2375 |