Read Only Hosts?

M

MACscr

Member
Mar 19, 2013
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I am using ceph for my storage for the VM's and another NFS server for templates/isos, etc, but the proxmox hosts OS's are currently being booted through iscsi. To improve stability and easier maintenance, I would like to have the proxmox host os images only be readable. Is this at all possible? What all does proxmox really need to write to on a day to day basis? I know there is the /etc/pve folder, but couldn't that be an nfs mount? My regular logging is to a remote logstash server.
 
/etc/pve afaik is the Proxmox cluster file-system, where it e.g. synchronizes the Cluster config files and what not.



What we at work to provide ISO/images/templates to our proxmox-nodes is this:
  • Create openmediavault.
  • create vdisk on EC-pool
  • Share storage via NFS
 
I already have shared storage, not concerned about that and i know what /etc/pve is used for....
 
I want my proxmox hosts to have read only file system. What paths ARE required to be written to by proxmox? Is this idea even feasible.
 
MACscr said:
I want my proxmox hosts to have read only file system. What paths ARE required to be written to by proxmox? Is this idea even feasible.
Click to expand...
Oh i get it now.

you want to make your Proxmox Base install read-only ?
- What about log-files,
- What about changes done via GUI ? (should go into /etc/pve)
- What about network changes ?
- What about updates ?
- what about time synchronisation ?


ps.: You using pveceph or just normal ceph install ?

Lemme ask you this:
What is the reason you want your Nodes-OS be read only - as i what are you trying to prevent ?

I know there is the /etc/pve folder, but couldn't that be an nfs mount?
Click to expand...
What do you mean by this exactly ?
You wanna put /etc/pve on a remote NFS-Share ??
 
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