Hi,
In photography circles I am always told that it doesn't exist unless it is stored in 3 places. I have my a local backup of all my files on an external disk and then I use an online service like crashplan to back my really important stuff to the cloud.
This set up has saved me many times. No matter how good your system is anything can cause a malfunction, bad disks, powerfailures so it is always good to keep multiple copies of important files.
Gordon.
I have been reading the "btrfs/ZFS, sans raid and bitrot" thread and a
number of thoughts and questions spring to mind.
I get the impression that some are looking for a single reliable storage
solution to avoid having to do backups.
Surely this is impossible, I certainly would ______NEVER______ (excuse the
shouting) ever trust my life to a single system if at all possible. When
one is doing instrument flying training as a pilot you are constantly told
never to rely on a single instrument but scan all of them and come up with
an overall coherent picture. If one relies in such circumstances on a
single point of failure you __will__ kill yourself.
One is told raid or any such thing is a reliabilty strategy __not__ a
backup strategy.
I personally keep all data I consider important on four separate
systems/devices one device (which is in fact duplicate items but differing
technolgies) being kept off site. Maintaining this is a bit of a pain but
there is no other way as far as I can see.
The reason for the number of separate backups is we had in one instance in
a large commercial situation managed to destroy two backs trying to restore
a system. We only succeeded in the end becuase I had independantly
duplicated one of the backups on another system.
Lindsay
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