Date: Thu, 20 Oct 2005 13:24:20 -0700 From: "Gayn Winters" <gayn.winters@bristolsystems.com> To: "'Andrew P.'" <infofarmer@gmail.com>, "'user'" <user@dhp.com> Cc: freebsd-questions@freebsd.org Subject: RE: FreeBSD UFS2 snapshots, and math ... Message-ID: <003201c5d5b4$753f9d20$c901a8c0@workdog> In-Reply-To: <cb5206420510201234m140ea781o9f9034fa6b08cc58@mail.gmail.com>
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> -----Original Message----- > From: owner-freebsd-questions@freebsd.org > [mailto:owner-freebsd-questions@freebsd.org] On Behalf Of Andrew P. > Sent: Thursday, October 20, 2005 12:35 PM > To: user > Cc: freebsd-questions@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
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