[ceph-users] Re: Running fstrim (discard) inside KVM machine with RBD as disk device corrupts ext4 filesystem

On 04.08.20 14:19, Jason Dillaman wrote: On Tue, Aug 4, 2020 at 2:12 AM Georg Schönberger wrote: On 03.08.20 14:56, Jason Dillaman wrote: On Mon, Aug 3, 2020 at 4:11 AM Georg Schönberger wrote: Hey Ceph users, we are currently facing some serious problems on our Ceph Cluster with libvirt

[ceph-users] Re: Running fstrim (discard) inside KVM machine with RBD as disk device corrupts ext4 filesystem

On 03.08.20 14:56, Jason Dillaman wrote: On Mon, Aug 3, 2020 at 4:11 AM Georg Schönberger wrote: Hey Ceph users, we are currently facing some serious problems on our Ceph Cluster with libvirt (KVM), RBD devices and FSTRIM running inside VMs. The problem is right after running the fstrim

[ceph-users] Running fstrim (discard) inside KVM machine with RBD as disk device corrupts ext4 filesystem

Hey Ceph users, we are currently facing some serious problems on our Ceph Cluster with libvirt (KVM), RBD devices and FSTRIM running inside VMs. The problem is right after running the fstrim command inside the VM the ext4 filesystem is corrupted and read-only with the following error message:

[ceph-users] Building a Ceph cluster with Ubuntu 18.04 and NVMe SSDs

Hi Ceph users! We are currently configuring our new production Ceph cluster and I have some questions regarding Ubuntu and NVMe SSDs. Basic setup: - Ubuntu 18.04 with HWE Kernel 5.3 - Deployment via ceph-ansible (Ceph stable "Nautilus") - 5x Nodes with AMD EPYC 7402P CPUs - 25Gbit/s NICs and s