Encrypted RAID1 for storage with Debian Jessie
Hello,
Is there an easy way to attach several pair of RAID1 disks (with full
disk encryption) to a Debian Jessie system?
Here is a picture of what I'm trying to achieve:
http://imgur.com/vF7IqX2
I am building a home backup system, I have different type of data to
backup (work, family, random stuff - hence the three pairs in the
picture). The system (Debian Jessie) will be on a USB key.
It's a backup system on a budget that I'd like to have up and running
within a couple of weeks, I know that ZFS (with FreeNAS for instance)
can achieve similar goals but it's out of budget ; I also know that work
is being done on BTRFS about encryption but it's not ready for prime
time yet.
Always state the obvious so :
- the idea behind having the SYSTEM on a independent USB drive is to
have one independent piece to handle the boot and system operations
(that I can easily - and cheaply - mirror to have drop in replacement in
case of failure) and "DATA" drives are just "dumb" encrypted drives that
could be unplugged from the setup and mounted anywhere else ;
- the idea behind the RAID1 is to create redundancy, hence in case one
drive fails, be able to plug a new one in, would it be possible with
full disk encryption?
- this backup system will only be turned on when needed, I don't plan on
using it as some sort of server or a NAS.
Am I re-inventing the wheel here, is there a better, simpler solution to
achieve both redundancy and encryption ?
Thank you in advance for your help,
CA
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