We recently upgraded our BackupPC servers to Ubuntu 10.04 Lucid Lynx. It’s working almost perfectly. However, the “Download ZIP archive” restore option no longer works. This is due to a bug in recent version of the Archive::Zip Perl module which generates corrupt ZIP archives.
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I recently discussed how to use LVM to make a live copy of a BackupPC pool. That guide covers how to set up LVM on a new server with no data. But what if you already have a working BackupPC install, and you want to move your existing pool to LVM?
“How do I backup my BackupPC pool” is perhaps the most common topic of discussion on the backuppc-users mailing list. BackupPC stores all files in a common compressed pool (cpool, although I’ll use simply “pool” for this discussion), and maintains trees of hardlinks into the pool for each backup host. Therefore BackupPC requires a Linux/Unix filesystem. If you want to back up the BackupPC server itself, you must duplicate the pool, and the hardlinks to it.
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