FreeBSD UFS2 snapshots, and math ...

[Gayn Winters]

> -----Original Message-----
> From: owner-freebsd-questions at freebsd.org 
> [mailto:owner-freebsd-questions at freebsd.org] On Behalf Of Andrew P.
> Sent: Thursday, October 20, 2005 12:35 PM
> To: user
> Cc: freebsd-questions at freebsd.org
> Subject: Re: FreeBSD UFS2 snapshots, and math ...

> Imagine that each data block is marked with labels
> on change. It doesn't matter how many labels there
> are, there will be only one data block saved.

In trying to follow this thread, I started looking around for a precise
definition of snapshot.
Man mksnap_ffs
wasn't too helpful, and googling for "snapshot" etc. wasn't fruitful.
I'm guessing that the original author of the thread (user at dhp.com)
may also need such a definition.  Can someone provide a pointer to a
specification or at least an RFC-like paper?

Thanks,

-gayn