Ceph

05/08/2020

05:28 PM mgr Bug #45439: High CPU utilization for large clusters in ceph-mgr in 14.2.8

The balancer did create about 2900 upmap entries successfully before it got stuck in a loop proposing invalid ones. ...

01:48 AM mgr Bug #45439 (New): High CPU utilization for large clusters in ceph-mgr in 14.2.8

We upgraded our largest cluster from Mimic to Nautilus (14.2.8) recently - it has about 3500 OSDs. Now ceph-mgr is c...

10/01/2018

05:38 PM fs Bug #36192: Internal fragment of ObjectCacher

I've applied this patch on 12.2.7, rebuilt ceph-fuse and ran my test case that originally produced this issue. Happy...

05/16/2018

10:08 PM ceph-volume Bug #24152 (Resolved): Starting all OSDs created by ceph-volume via systemd fails

Currently when ceph-volume creates a new OSD, it creates a systemd unit instance in /etc/systemd/system/multi-user.ta...

01/18/2018

10:09 PM fs Bug #22733 (Duplicate): ceph-fuse: failed assert in xlist<T>::iterator& xlist<T>::iterator::opera...

We had several ceph-fuse crashes with errors like...

11/10/2017

09:39 PM fs Bug #22008: Processes stuck waiting for write with ceph-fuse

I've applied this patch to the latest luminous branch, rebuild the MDS and tested it in a test environment with the c...

11/07/2017

08:45 PM fs Bug #20938: CephFS: concurrent access to file from multiple nodes blocks for seconds

Just checking if there is any viable patch that I could try for this issue in ceph-fuse. We are running into this pr...

11/03/2017

07:38 PM fs Bug #22008: Processes stuck waiting for write with ceph-fuse

Attached is the ceph-fuse cache dump. This is a different instance of the problem (all the same symptoms), so the pr...

11/02/2017

06:30 PM fs Bug #22008 (Resolved): Processes stuck waiting for write with ceph-fuse

We've been running into a strange problem with Ceph using ceph-fuse and the filesystem. All the back end nodes are o...

09/12/2017

07:34 PM fs Backport #21357: luminous: mds: segfault during `rm -rf` of large directory

I'm running into the same problem on luminous 12.2.0 - while removing a directory with lots of files, the MDS crashes...