geli init for first time

[RW]

On Thu, 1 Mar 2012 22:00:17 -0500
Robert Simmons wrote:

> After you perform "geli init" and "geli attach" you must use dd to
> initialize the new provider before you run newfs.  If you had enabled
> authentication of some kind during the init step, when you attach the
> provider you get a series of errors such as these:
> GEOM_ELI: ada0p4.eli: 4096 bytes corrupted at offset 0.
> GEOM_ELI: ada0p4.eli: 4096 bytes corrupted at offset 4096.
> 
> ...
> I propose that a switch be added to "geli attach" that signifies that
> it is the first time that a provider is being attached and these
> errors are to be suppressed.


If you know to use the switch then you'd know that the warnings are
harmless. Perhaps it would be better to make the warning more accurate:

GEOM_ELI: ada0p4.eli: 4096 bytes not authenticated at offset 4096.


>                            ... add something to the end of the DATA
> AUTHENTICATION section of the geli(8) man page that mentions why these
> errors occur and that they can be safely ignored.

Good idea