Just to add my 2c considering I started the other thread,
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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