On 6/9/2018 7:36 AM, Josh Fisher wrote:
... The shear volume of media for large sites makes LTO cheaper and D2D2T makes more sense.
I think it depends on your definition of "sheer" as well as site's retention policies.
Tapes are only cheaper to archive, as in write once and put on the shelf forever. If you try re-using them they tend to go bad fast.
A 36-bay chassis filled with seagate "archive" drives can keep quite a bit of data, and with a single filesystem on it, bacula will run pretty much unattended. And SuperMicro chassis go up to 90 3.5" hot-swap bays.
So if you only need to keep a limited number of backup cycles, it's only a matter of time before a box like that becomes cheaper than tape monkey's salary and replacement tapes.
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