[Discuss] SSD drives vs. Mechanical drives

[Richard Pieri]

Kent Borg wrote:
> The term "backup" tends to refer to having historical copies of data,
> usually with a notable delay in how long it takes to restore the data.

Not necessarily. Depends on the medium used.

> I would suggest that with flash, hardware redundancy (external to
> whatever proprietary hocus-pocus is already in a flash product) is wise.
> Something present and immediately bootable.

Repeat after me: redundant disks do not provide data integrity.

Redundant disks -- be they rotating platters or flash chips -- will keep
the system running if one fails but they won't protect your data from
corruption or loss.

-- 
Rich P.