Hi all,

So I have had to make a slight change to my BackupPC setup and while I am able to access new backups in the web interface, I am now unable to access my older backups.

My old setup was under a FreeNAS Jail, using the FreeBSD pkg of BackupPC with a nullfs mount from the jail to a ZFS dataset housing the backups themselves. It worked great for months.

When upgrading from FreeNAS 11 to TrueNAS 12, my jail refused to upgrade so the option was to either create a new jail or install Linux in a VM and mount the backups directory over NFSv3. I chose the latter (ArchLinux) and because Docker is becoming a thing in my LAN, adferrand/backuppc.

The error message for older backups I am seeing in the web interface is "Error: Directory /data/backuppc/pc/$host/$baknum is empty".

When trying to access an older backup, BackupPC_ls comes back with, for example: "bpc_attrib_dirRead: can't open /data/backuppc/cpool/72/ca/72ca0cc1bf7a179f8c3cdabc187e3887".

Permissions check out (uid 126/backuppc, gid 126/backuppc, umask 027) so the only thing I can think of is that I need to re-index or re-build the pool somehow, but I am not familiar enough with BackupPC command line utilities to know what to do at this point.

Any help would be much appreciated.


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