[ceph-users] CephFS user mapping

2020-10-06 Thread René Bartsch
Hi, is there any documentation about mapping usernames, user-ids, groupnames and group-ids between hosts sharing the same CephFS storage? Thanx for any hint, Renne ___ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to

[ceph-users] Ceph RBD latency with synchronous writes?

2020-09-23 Thread René Bartsch
Hi, we're considering running KVM virtual machine images on Ceph RBD block devices. How does Ceph RBD perform with the synchronous writes of databases (MariaDB)? Best regards, Renne ___ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe

[ceph-users] Re: Mount CEPH-FS on multiple hosts with concurrent access to the same data objects?

2020-09-22 Thread René Bartsch
Am Dienstag, den 22.09.2020, 14:43 +0200 schrieb Andreas John: > Hello, > > yes, it does. I even comes with a GUI so manage ceph and own basic- > setup > tool. No EC support. What do you mean with EC? Regards, Renne ___ ceph-users mailing list --

[ceph-users] Re: Mount CEPH-FS on multiple hosts with concurrent access to the same data objects?

2020-09-22 Thread René Bartsch
Am Dienstag, den 22.09.2020, 08:50 +0200 schrieb Robert Sander: > Do you know that Proxmox is able to store VM images as RBD directly > in a > Ceph cluster? Does Proxmox support snapshots, backups and thin provisioning with RBD- VM images? Regards, Renne

[ceph-users] Re: Mount CEPH-FS on multiple hosts with concurrent access to the same data objects?

2020-09-22 Thread René Bartsch
Am Dienstag, den 22.09.2020, 11:25 +0200 schrieb Stefan Kooman: > On 2020-09-21 21:12, Wout van Heeswijk wrote: > > Hi Rene, > > > > Yes, cephfs is a good filesystem for concurrent writing. When using > > CephFS with ganesha you can even scale out. > > > > It will perform better but why don't

[ceph-users] Mount CEPH-FS on multiple hosts with concurrent access to the same data objects?

2020-09-21 Thread René Bartsch
I'm new on the list, so a "Hello" to all! :-) We're planning a Proxmox-Cluster. The data-center operator advised to use a virtual machine with NFS on top of a single CEPH-FS instance to mount the shared CEPH-FS storage on multiple hosts/VMs. As this NFS/CEPH-FS-VM could be a bottle-neck I was