several pbs servers sharing backup storage

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hvillemoes

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Dec 13, 2020
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Is it possible for to or more pbs servers to share same backup storage?

I have a PVE cluster with 2 servers and want to install pbs on both these pve servers and use the same NFS mounted NAS for backup server.
By that I want to establish a single failure tolerant solution.
Can to pbs share the same .lock and .chunk files ?

Or can I just run one pbs and then, when that stops, start pbs2 and restore using the storage (the backup's), that pbs1 created ?

Are there any special considerations ?

Thank you in advance
 
PBS prefers local storage with low latency. NFS can be slow unless you have a fast network.
hvillemoes said:
Is it possible for to or more pbs servers to share same backup storage?

I have a PVE cluster with 2 servers and want to install pbs on both these pve servers and use the same NFS mounted NAS for backup server.
By that I want to establish a single failure tolerant solution.
Can to pbs share the same .lock and .chunk files ?
Click to expand...
A datastore may not be shared by different PBS servers.
hvillemoes said:
Or can I just run one pbs and then, when that stops, start pbs2 and restore using the storage (the backup's), that pbs1 created ?
Click to expand...
That may work, but I cannot see the purpose of such solution.
 
The purpose is to be able to recover after pve1 with pbs1 has crashed.
Then I want to be able to restore on pve2 with pbs2.

Would that work ? Can pbs2 recognize and understand the .lock and .chunk structure created by pbs1?

It works when using build-in pve backup, but I want to use the nice dedub in pbs
 
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It works like a charm - only stone on the road was to add the existing storage to the new server, which had to be done manual in /etc/proxmox-backup/datastore.cfg
 
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