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[Question] Alternative to NFS for Proxmox Backup Server (lemmy.ml)

submitted 5 months ago by [email protected] to c/[email protected]

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I have a backup server running Proxmox Backup and OMV in separate VMs. OMV provides the storage as an NFS to the proxmox backup server VM.

I have multiple remote servers that connect to the proxmox backup server but recently I keep having issues with backups. Something about file lock estale.

Is there an alternative to NFS I can use in OMV to provide the storage for the proxmox backup server?

I know there are vastly different configuration options, but I have some other things set up with OMV so I’m kinda stuck on that.

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[–] [email protected] 1 points 5 months ago

Looks like my reply got purged in the server update.

Running Proxmox baremetal. Two VMs: Proxmox Backup Server and OMV. Multiple HDDs passed through directly as SCSI to OMV. In OMV they're combined into a mergerfs pool. Two shared folders on the pool: one dedicated to proxmox backups and the other for data backups. The Proxmox backup shared folder is an NFS share and the other shared folder is accessed by a remote duplicati server via SSH (sftp?). Within the proxmox backup server VM, the aforementioned NFS share is set up as a storage location.

I have no problems with the duplicati backups at all. The Proxmox Backup Server was operating fine as well initially but began throwing the estale error after about a month or two.

Is there a way to fix the estale error and also to prevent it from reoccurring?