[Novalug] best hard disk setup for home file server?

[Bryan J. Smith]

Several years ago, after several of my articles on near-line/enterprise recovery
caused many SMB, SOHO and home users to balk at costs, I wrote this article ...

"Common Sense Disaster Recovery"
http://thebs413.blogspot.com/2007/03/common-sense-disaster-recovery.html  

Part 1 is really for SOHO users as much as SMBs ...

1.  The 3 basic levels of data redundancy

There are 3 basic levels of data redundancy: 
A.  On-line:  immediate recovery of data on the system itself
B.  Near-line:  near-immediate recovery from another system on the network
C.  Off-line:  disaster recovery when you don't have the system, let alone the network

On-line solutions like mirroring, parity, snapshots, etc... won't prevent loss due to
volume or filesystem corruption, or compromise for that matter.  Near-line also
duplicates the risk with compromise as someone who has access to a single
box can compromise the data of all.  Yes, Linux systems are compromised.

Which is why off-line is not optional for any data, even those with an on-line
recovery mechanism like mirroring.




----- Original Message ----
From: Richard Ertel <richard.ertel at gmail.com>

i came to a realization that i don't need fault tolerance on data that
is already backed up. why have THREE copies of it, essentially? any
drive in the server dies, all my data is covered.