!!! Backup ideas

[Remote encrypted backup]

!!! References
!! Synchronization
* [rsync|http://samba.anu.edu.au/rsync/]
* [Unison|http://www.cis.upenn.edu/~bcpierce/unison/]
* [Capivara|http://capivara.sourceforge.net/] a Java file synchronization program.
* [Robocopier|http://code.activestate.com/recipes/231501-python-robocopier-advanced-directory-synchronizati/] a Python script to synchronize directories and copy them.
* [Xfiles|http://www.idiom.com/~zilla/xfiles.html] a Java/Python file synchronization/comparison tool
* [Conduit|http://live.gnome.org/Conduit] a Python/Gnome program that handles synchronization of user data. It can upload to webservices and transform the data.
* [Opensync|http://www.opensync.org/] Generic library project for synchronization.
!! Backup
* [Duplicity|http://duplicity.nongnu.org/] Python backup program that does encryption and webdav
* [Areca backup|http://www.areca-backup.org/] 
* [Amanda|http://wiki.zmanda.com/index.php/Main_Page] Open Source backup software with S3 option

!! Webdav
* [Milton|http://milton.ettrema.com/index.html] a Java server library to expose any kind of data through webdav
* [Sardine|http://code.google.com/p/sardine/] a Java client library to access Webdav servers
!! Archiving
* jar, zip, tar etc.
!! Encryption/Filesystems
* Zip encryption?
* GPG
* ZFS
* Btrfs
* Ecryptfs 
* Trucrypt

!! SSD
* [Ext3 journal on SSD|http://insights.oetiker.ch/linux/external-journal-on-ssd.html] with performance and reliability analysis
* [Flashcache|https://wiki.archlinux.org/index.php/Flashcache] block level cache that uses SSD drives. ([Source @ github|https://github.com/facebook/flashcache])
* [Bcache|http://bcache.evilpiepirate.org/] another block level cache that uses SSD drives
!!! Hardware
!! Regular hard drive
Storagereview.com has an interestring [article|http://www.storagereview.com/western_digital_caviar_green_3tb_review_wd30ezrsdtl] about the latest Western Digital Caviar at 3TB.
Here are a few takeaways:
* 100MB/s for sequential reads/writes
* 3.9watt when idle
* advance replacement program to make it easier to replace the drives.