Question re ZFS with mixed drive speeds & types

Steve O'Hara-Smith steve at
Wed Aug 5 19:57:08 UTC 2020

On Wed, 5 Aug 2020 20:45:46 +0200
Polytropon <freebsd at> wrote:

> On Wed, 5 Aug 2020 20:26:36 +0200, Jacques Foucry wrote:

> > I remember the same thing when Sun demostrate us ZFS (I was a Sunkskill
> > at this time). But I never tried.
> Sounds a bit like HSM - hierarchical storage management,

	I remember a lecture about a variant on that where the layering
went all way from RAM to tape seamlessly, the idea was that data was
inherently persistent and the virtual address space was huge.

> So decades old stuff is "new" again... ;-)

	That lecture would have been late 1970s.

Steve O'Hara-Smith <steve at>

More information about the freebsd-questions mailing list