Harry Putnam wrote:
I've been running mirrored disks on several pairs of disks. Mostly on
the advice of old timers here.
I wondered if I were to do something like
`rm -rf /$SomeUnexpectedlyEmptyVar' flattening and removing `/',
would I be able to retrieve it from the mirror?
no, the system will happily do as you asked and remove the bits from
both sides of the mirror.
I know about snapshots etc... but suddenly realized I don't really
understand what security the mirror approach affords. Or how to use it.
You might think of it as roughly...
mirroring helps protect you from hardware failure.
snapshots help protect you from your own failure.
-Norm
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