Ceph

01/17/2024

04:16 PM RADOS Bug #51729: Upmap verification fails for multi-level crush rule

Hi Laura,
I'm returning to this issue since not being able to use upmaps in our cluster has been causing some head... Andras Pataki

06/27/2023

04:19 PM CephFS Bug #58640: ceph-fuse in infinite loop reading objects without client requests

Hi Venky,
I'm getting back to investigating the ceph-fuse forever looping problems again. I now have a way to rep... Andras Pataki

02/09/2023

05:04 PM CephFS Bug #58640: ceph-fuse in infinite loop reading objects without client requests

I'm experimenting on reproducing the problem on demand. Once I have a way to make this bad looping ceph-fuse behavio... Andras Pataki

02/07/2023

02:33 PM CephFS Bug #58640: ceph-fuse in infinite loop reading objects without client requests

There definitely are config changes that are different from the defaults.
All these objects are in a 6+3 erasure cod... Andras Pataki

02/03/2023

08:25 PM CephFS Bug #58640: ceph-fuse in infinite loop reading objects without client requests

I've uploaded the full 1 minute ceph-fuse trace as:
ceph-post-file: d56ebc47-4ef7-4f01-952f-8569c8c92982
Andras Pataki

08:23 PM CephFS Bug #58640 (Triaged): ceph-fuse in infinite loop reading objects without client requests

We've been running into a strange issue with ceph-fuse on some nodes lately. After some job runs on the node (and fi... Andras Pataki

10/14/2022

08:48 PM RADOS Bug #51729: Upmap verification fails for multi-level crush rule

Just to clarify - the error "verify_upmap number of buckets X exceeds desired Y" comes from the C++ code in ceph-mon ... Andras Pataki

12/17/2021

07:11 PM mgr Tasks #53622: User + Dev Monthly Meeting: Collect osdmaps for balancer testing

On our large cluster, the whole upmap balancing mechanism fails - looks like a bug in the ceph C++ code (not the mgr ... Andras Pataki

12/13/2021

06:55 PM CephFS Bug #44100: cephfs rsync kworker high load.

We've recently started using cephfs snapshots and are running into a similar issue with the kernel client. It seems ... Andras Pataki

11/15/2021

05:42 PM CephFS Bug #53192: High cephfs MDS latency and CPU load with snapshots and unlink operations

Thanks Patrick! How safe do you feel this patch is? Does it need a lot of testing or is it safe to deploy? Andras Pataki