[ceph-users] Upgrade to 7.6 flooding logs pam_unix(sudo:session): session opened for user root

A bit of topic, I just upgraded the ceph test cluster to 7.6 and my syslog servers are flooded with these pam_unix(sudo:session): session opened for user root Any one knows how to get rid of these. ___ ceph-users mailing list ceph-users@lists.c

Re: [ceph-users] Upgrade to 7.6 flooding logs pam_unix(sudo:session): session opened for user root

Ignore, had to modify Defaults !syslog to Defaults !syslog,!pam_session A bit of topic, I just upgraded the ceph test cluster to 7.6 and my syslog servers are flooded with these pam_unix(sudo:session): session opened for user root Any one knows how to get rid of these. _

[ceph-users] vm virtio rbd device, lvm high load but vda not

Is this normal or expected that lvm can have high utilization while the disk the logical volume is, has not? Or do I need to do still custom optimizations for the ceph rbd backend? https://www.redhat.com/archives/linux-lvm/2013-October/msg00022.html Atop: LVM | Groot-LVroot | busy 74%

Re: [ceph-users] vm virtio rbd device, lvm high load but vda not

I've also seen this behavior sometimes (on real hardware without VMs or Ceph involved). Somewhat related: please don't use legacy VirtIO block devices (virtio-blk), they suck for various reasons: slow, no support for TRIM, ... Use a VirtIO SCSI controller instead Paul -- Paul Emmerich Look

Re: [ceph-users] Ceph MDS laggy

On Sun, Jan 13, 2019 at 1:43 PM Adam Tygart wrote: > > Restarting the nodes causes the hanging again. This means that this is > workload dependent and not a transient state. > > I believe I've tracked down what is happening. One user was running > 1500-2000 jobs in a single directory with 92000+ f