Incremental encrypted remote backup using Amazon S3: Duplicity
Incremental backup to another (remote) directory: rdiff-backup
Easily available on Ubuntu using:
sudo apt-get rdiff-backup
Nice instructions for automating and scheduling backups.
Simple backup by simply tar’ing everything, instructions on Ubuntu Forums.
Preparing For EC2 Persistent Storage.
Using LVM + DRBD + NFS + Heartbeat + VTun To Gain Data Persistence, Redundancy, Automatic Fail-Over, and Read/Write Disk Access Across Multiple EC2 Nodes.
Amazon have started to do a lot things right lately. The 24×7 premium support, introducing the Service Health Dashboard, the latest improvements to EC2, and now lowering the data transfer costs:
Current data transfer price (through April 30, 2008)
$0.100 per GB – data transfer in
$0.180 per GB – first 10 TB / month data transfer out
$0.160 [...]