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Thank you! That worked. But why was docker working before, with net.ipv4.ip_forward=0 ? What changed? Anything else that might have been affected?

Hello, yesterday I just upgraded packages and noticed that docker in my LXC containers stopped working. I found out that now /proc/sys is now mounted read-only inside the container, while previously it was mounted read-write. The errors I got in the container's syslog are: Feb 9 16:38:11...

Yes, I did. Everything points to needing a second network interface, though. What is the process, however, of changing subnet (and mask) with a single network interface? Thanks!

Thanks, but if there is a single subnet (network interface) then we have to change the system IP address at the same time as corosync.conf? On all nodes?

In the section "Separate After Cluster Creation", since there is only a single ring0_addr, does it mean that there is a single network interface? Don't we also need to change the IP address of each node, on top of modifying corosync.conf? Thanks!

Due to corp IP changes, we may need to change the subnet of our Proxmox cluster (which also runs Ceph). The comments that I've seen in this thread pertain to changing IP addresses of a single (or few) nodes. Is it any different if there is a need to change subnet and IP addresses of the whole...

Thanks Aaron, I've already read the document that you pointed me at, but the text was vague as to which nodes actually need to be on the cluster network. Diagrams don't always show the whole picture. Thanks for the clarification.

Hello... I have a Proxmox cluster with about 20 nodes. I am running Ceph on it, but I only have OSDs on 4 nodes. I have, however, installed Ceph on all nodes. Currently (sadly) I am not using a cluster network, so all the Ceph balancing traffic goes to the public network. I'd like to add a...

Thank you, that works. I thought there would be a different update button to update releases, since I've always used this button to do the regular incremental updates.

Chris, how can one update from the GUI? I searched but couldn't find anything. Thank you!

With Ceph 14.2.4.1, are there any gotchas for using pg autoscale? Is the correct method to use Ceph commands to enable it, or is there a more Proxmox-friendly way of doing it?

I was wondering if it's possible to mount a cephfs volume inside an LXC container. I have an ubuntu LXC container, installed ceph-common, and tried a mount, but it failed as shown below: root@vis-lxc-02:~# mount.ceph vis-mgmt-1:6789:/ /ceph modprobe: ERROR: ../libkmod/libkmod.c:586...

That would the the case, if I had access to the DHCP server. Dealing with IT departments is always more difficult than it should be.

Hi, I'm on a corporate network that is running a windows DHCP server. During native Ubuntu 18 installs (no Proxmox, bare metal installs), I have to modify the Netplan config file /etc/netplan/01-netcfg.yaml to specify dhcp-identifier: mac to be able to have dhclient broadcast the MAC address...

Yes, some notification would be nice. Maybe something along a lines of "Ceph is not installed on node ...?"

Problem solved. As you said, I had to add the storage from a node that has Ceph install. That does not mean picking a node on the left, since the storage is added on the Datacenter level, but rather from a url that corresponds to a node that has Ceph installed.

I'm not sure I understand what you mean by saying "add the storage on a node which is an active part of the Ceph cluster". I added it from Datacenter -> Add -> RBD, in which case there is no node context while I'm adding the RBD storage. pvesm status before adding: root@vis-ivb-07:/var/lib#...

Hello... I'm running Proxmox 6.0-7, and I am trying to add a Proxmox-managed RBD location (Ceph-nautilus). From what I understand, you should check "Use Proxmox VE managed hyper-converted Ceph pool" when adding the RBD pool, however, mine is greyed out! I do have an RBD pool that I just...