Yesterday, my laptop did strange things. I couldn't access my homedir any more. After a reboot: shock! Couldn't mount it.
Well,
Lars' comment was about backup strategies and his mails are all IMAP and backuped on different systems. But that didn't help me much in that moment.
I had some backups, but months old and not very sorted. Not a backup strategy at all.
Ok, so the tries to rescue my data began. dd'ed the partition-image to another pc, xfs_repair did some things, but after that, I still couldn't mount it. Panic!
Well, after some more tries, I found that there's a tool xfs_copy, which was able to restore most of my data. A lot of stuff is still lost, tons of files in lost+found-dir. But after all, I'm happy that most data is rescued and I'll buy an externa USB-HD tomorrow and invent some backup-strategies.