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Re: deduplicating file systems: VDO with Debian?



On Thu, 2022-11-10 at 13:40 +0000, Curt wrote:
> On 2022-11-08, The Wanderer <wanderer@fastmail.fm> wrote:
> > 
> > That more general sense of "backup" as in "something that you can fall
> > back on" is no less legitimate than the technical sense given above, and
> > it always rubs me the wrong way to see the unconditional "RAID is not a
> > backup" trotted out blindly as if that technical sense were the only one
> > that could possibly be considered applicable, and without any
> > acknowledgment of the limited sense of "backup" which is being used in
> > that statement.
> > 
> 
> Maybe it's a question of intent more than anything else. I thought RAID
> was intended for a server scenario where if a disk fails, you're down
> time is virtually null, whereas as a backup is intended to prevent data
> loss. RAID isn't ideal for the latter because it doesn't ship the saved
> data off-site from the original data (or maybe a RAID array is
> conceivable over a network and a distance?).
> 
> Of course, I wouldn't know one way or another, but the complexity (and
> substantial verbosity) of this thread seem to indicate that that all
> these concepts cannot be expressed clearly and succinctly, from which I
> draw my own conclusions.
> 

But the performance is great ;)


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