Ceph

12/07/2016

08:28 AM Linux kernel client Bug #18041: periodically kernel crashes with CephFS

Tested this patch (https://github.com/ceph/ceph-client/commit/06ae6a76e4570cba948084f6a1c0d206485d1706) on two server... Aurimas Lapiene

11/29/2016

01:04 PM Linux kernel client Bug #18041: periodically kernel crashes with CephFS

With kernel v4.5.4 there's no kernel panics, but CPUs started to soft lockup on one node every few hours (one node so... Aurimas Lapiene

11/28/2016

03:51 PM Linux kernel client Bug #18041: periodically kernel crashes with CephFS

There are 6 nodes that have mounted the same cephfs directory and 4 of them doing active R/W requests on same paths (... Aurimas Lapiene

09:03 AM Linux kernel client Bug #18041: periodically kernel crashes with CephFS

It was quite regular load. Graphs attached. Aurimas Lapiene

11/25/2016

02:30 PM Linux kernel client Bug #18041: periodically kernel crashes with CephFS

More info about the incident.
Topology:
2 osd nodes with 24 total osds
3 monitor/mds nodes
6 cephfs kernel clie... Aurimas Lapiene