On Fri, Feb 05, 2010 at 05:08:02PM -0500, c.hanover wrote:
> In our particular case, there won't be snapshots of destroyed
> filesystems (I create the snapshots, and destroy them with the
> filesystem).

OK.

> I'm not too sure on the particulars of NFS/ZFS, but would it be
> possible to create a 1GB file without writing any data to it, and then
> use a hex editor to access the data stored on those blocks previously?

Absolutely not.

That is, you can create a 1GB file without writing to it, but it will
appear to contain all zeros.

> Any chance someone could make any kind of sense of the contents
> (allocated in the same order they were before, or what have you)?

No.  See above.

> ZFS crypto will be nice when we get either NFSv4 or NFSv3 w/krb5 for
> over the wire encryption.  Until then, not much point.

You can use NFS with krb5 over the wire encryption _now_.

Nico
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