Jeff Garzik wrote:
Mark Lord wrote:
To do so, requires that we perhaps do a similar capacity truncation
in sata_mv, but only if we see a metadata block at the expected location
(because a "Legacy" mode drive will use the *real* capacity,
placing the metadata in the 9th sector instead.
Definitely _not_. This is a core Linux maxim: export what the hardware
exports, no more no less. We drive the "bare metal."
OTOH it is quite reasonable to explore auto-loading DM on top of the
bare drive, and populating a DM table, if you see that particular BIOS
signature or [insert other detection method].
..
We must remember that *data integrity* trumps all other principles here.
If we don't strongly discourage/prevent the user from installing Linux
or storing data in the corruptible region, they *will lose data*,
and blame us.
These are bootable cards, so people will install distro's from scratch
directly to them, or to RAIDs configured onto them by the distro.
So whatever we do has to be something *safe* for those situations.
Cheers
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