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Re: lazy old guy asks question



On 2025-08-29, alain williams <addw@phcomp.co.uk> wrote:
> On Fri, Aug 29, 2025 at 03:57:42PM -0000, Greg wrote:
>
> RAID is NOT backup - if you delete a file on a RAID-1 (mirror) system then the
> file is deleted on both mirrors. Much the same on other RAID levels.

Thank you for this because it provides a succinct explanation of why
RAID is not a strategy for backup. In fact, it seems it would be a
backup disaster (a mistake on one disk would reverberate to all the
others).


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