Problem finally resolved.
The error was caused by BackupPC being unable to locate the rsync binary on the
client device. The Last Bad Xfer log gave me the clue : Fatal error (bad
version): ash: /usr/bin/rsync: not found
The device is a Synology NAS server and instead of having the binary at
/u
My thanks to all who have been such a great help
I am now able to connect to the remote server as the backuppc user and transfer
files using the format
rsync -avz -e ssh remoteu...@remotehost:/remote/dir /workstation/dir/
so rsync is now working as it should.
However, when I try to do a ful