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I have been experimenting with ceph RBD mirror, and had some initial difficulty understanding the network requirements and how to meet them in my specific environment. Since first posting I have made some progress so I am updating this post to reflect what I have learned in the hope that it...

Hi, I am running a cluster with Ceph Bluestore and some guest VMs that use ZFS file system. To date I thought it prudent to set up a virtual raidZ in these VMs i.e. provide min three virtual disks to the guest. The primary reason for using ZFS is features such as compression and snapshots and...

Hi , I have a classic three node hyper-converged cluster. Each node is identical HP DL380p with 96GB memory. 12 disk bays as follows:- 1 x sata 320 GB HDD (PVE host OS) 1 x sata 120GB SSD (Ceph WAL) 10 x 1TB HDD (OSDs) Network and interfaces are as follows: 1 Gbe corosync (single port on...

Hi, I have a 3 node hyper-converged setup which was created with a combined cluster and public network. I would like to add a separate cluster network, but am unsure if and how this can be done on an existing installation. Any tips would be appreciated.

I have a four node cluster, 3 Ceph nodes, plus a node hosting NFS for backups. One of the three Ceph nodes has broken such that it cant access the NFS share. The other two are fine. All the nodes are identical hardware and software is pve install on top of a debian buster minimal net...

Hi folks, I am having trouble with clean install on buster. Any time I make any alteration to the network config using the GUI it removes the netmask definition from the network devices in /etc/network/interfaces. This is totally repeatable, and it doesnt matter if the /24 notation or the...