user <[EMAIL PROTECTED]> writes:
> On 21 Oct 2005, Lowell Gilbert wrote:
>
> > The snapshot doesn't know what the bits in the file are. All it knows
> > is that the file's data used to be, say in "block 1857" and now the
> > file's data are in "block 1956". The fact that both blocks are
> > ide
On 21 Oct 2005, Lowell Gilbert wrote:
> The snapshot doesn't know what the bits in the file are. All it knows
> is that the file's data used to be, say in "block 1857" and now the
> file's data are in "block 1956". The fact that both blocks are
> identical is not detected.
>
> If you're reall
user <[EMAIL PROTECTED]> writes:
> Folks,
>
> On Thu, 20 Oct 2005, Gayn Winters wrote:
>
> > > 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,
@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
> -Original Message-
> From: user [mailto:[EMAIL PROTECTED]
> Sent: Thursday, October 20, 2005 1:51 PM
> To: Gayn Winters
> Cc: 'Andrew P.'; freebsd-questions@freebsd.org
> Subject: RE: FreeBSD UFS2 snapshots, and math ... - resolved,
> but two more Qs
&g
Folks,
On Thu, 20 Oct 2005, Gayn Winters wrote:
> > 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
> definitio
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] 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 d
On 10/20/05, user <[EMAIL PROTECTED]> wrote:
>
> Hello,
>
> On 20 Oct 2005, Lowell Gilbert wrote:
>
> > user <[EMAIL PROTECTED]> writes:
> >
> > > Let's say I have a filesystem, and on that filesystem I create a snapshot
> > > every single night, and every night I delete the snapshot from 5 nights
Hello,
On 20 Oct 2005, Lowell Gilbert wrote:
> user <[EMAIL PROTECTED]> writes:
>
> > Let's say I have a filesystem, and on that filesystem I create a snapshot
> > every single night, and every night I delete the snapshot from 5 nights
> > ago. This means that at all times, I have four snapsho
user <[EMAIL PROTECTED]> writes:
> I am trying to budget some disk space for filesystems with snapshots
> enabled on them.
>
> The following is simplified - I am just trying to get my concepts in
> order:
>
> Let's say I have a filesystem, and on that filesystem I create a snapshot
> every singl
Doug,
On Thu, 20 Oct 2005, Doug Poland wrote:
> On Thu, Oct 20, 2005 at 11:01:42AM -0400, user wrote:
> >
> > Finally, are there any snapshot diag tools at all ? Like, something that
> > reports snapshot sizes, percent of disk used for snapshots, and maybe even
> > a way for me to actually cal
On Thu, Oct 20, 2005 at 11:01:42AM -0400, user wrote:
>
> Finally, are there any snapshot diag tools at all ? Like, something that
> reports snapshot sizes, percent of disk used for snapshots, and maybe even
> a way for me to actually calculate what the percent change for time period
> X is for a
I am trying to budget some disk space for filesystems with snapshots
enabled on them.
The following is simplified - I am just trying to get my concepts in
order:
Let's say I have a filesystem, and on that filesystem I create a snapshot
every single night, and every night I delete the snapshot fr
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