Backup Central

Hi All

My question is regarding weekly and monthly 'roll-ups'

For example, come the end of the week, rsnapshot will move daily.6 to weekly.0.

Doesn't this mean that some files may get lost?

I mean, a file created on one day, deleted on the next day.
2 weeks later, that file is going to be missing from the weekly snapshots, never to be seen again!

Is that a correct assumption?

BTW, is there an archive for this mailing list??

Again, so happy to have rSnapshot working for me
Any plans to include rdiff???

Cheers
Michael.

Hallo, Michael,

Du meintest am 09.06.11:

My question is regarding weekly and monthly 'roll-ups'

For example, come the end of the week, rsnapshot will move daily.6 to
weekly.0.

Doesn't this mean that some files may get lost?

I mean, a file created on one day, deleted on the next day.
2 weeks later, that file is going to be missing from the weekly
snapshots, never to be seen again!

Is that a correct assumption?

Surely!

But that happens also with files you create at 9:00 am and delete them
at 9:10 am

Viele Gruesse!
Helmut

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Thanks Helmut

It is interesting though, that any given monthly snapshot may originate from any given daily snapshot

and even yearly.. as it works it's way up the tree.

I wonder if you could reliably estimate what daily backup would eventually become the month's snapshot?

I think I need a diagram...

Michael.

On Thu, Jun 9, 2011 at 3:41 PM, Helmut Hullen <Hullen < at > t-online.de ([email]Hullen < at > t-online.de[/email])> wrote:
Hallo, Michael,

Du meintest am 09.06.11:

My question is regarding weekly and monthly 'roll-ups'

For example, come the end of the week, rsnapshot will move daily.6 to
weekly.0.

Doesn't this mean that some files may get lost?

I mean, a file created on one day, deleted on the next day.
2 weeks later, that file is going to be missing from the weekly
snapshots, never to be seen again!

Is that a correct assumption?


Surely!

But that happens also with files you create at 9:00 am and delete them
at 9:10 am

Viele Gruesse!
Helmut

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Hallo, Michael,

Du meintest am 09.06.11:

For example, come the end of the week, rsnapshot will move daily.6
to weekly.0.

Doesn't this mean that some files may get lost?

Surely!

But that happens also with files you create at 9:00 am and delete
them at 9:10 am

[TopPost reordered]

It is interesting though, that any given monthly snapshot may
originate from any given daily snapshot

and even yearly.. as it works it's way up the tree.

I wonder if you could reliably estimate what daily backup would
eventually become the month's snapshot?

I think I need a diagram...

No - you need only the timestamps of the backups and a calendar.

One of my machines has "monthly" backups with the timestamps
24. April
19. März
26. Februar
22. Januar

etc.
Just take a calendar and mark these days - the algorithm is very simple.

Viele Gruesse!
Helmut

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Hallo Michael,

Am Donnerstag, 9. Juni 2011 10:16 schrieb Michael Lynch:
Thanks Helmut

It is interesting though, that any given monthly snapshot may originate
from any given daily snapshot

and even yearly.. as it works it's way up the tree.

If you use my do-rsnapshots, it will always be the first one of the day,
week and month.

On Thu, Jun 9, 2011 at 3:41 PM, Helmut Hullen <Hullen < at > t-online.de> wrote:
Hallo, Michael,

Du meintest am 09.06.11:
My question is regarding weekly and monthly 'roll-ups'

For example, come the end of the week, rsnapshot will move daily.6 to
weekly.0.

Doesn't this mean that some files may get lost?

I mean, a file created on one day, deleted on the next day.
2 weeks later, that file is going to be missing from the weekly
snapshots, never to be seen again!

If you don't want that, you have to keep all your daily snapshots. Then you
will have no need of weekly, monthly and yearly ones.

Is that a correct assumption?

Surely!

But that happens also with files you create at 9:00 am and delete them
at 9:10 am

You could also keep all your hourly snapshots (if you want to have a really
huge data graveyard , but nothing that rsnapshot can do will save you
from loosing a file thats created after a snapshot and then deleted before
the next snapshot.

--
Herzliche Grüße!
Rolf Muth

Meine Adressen duerfen nicht fuer Werbung verwendet werden! PGP Public Key:
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xF8DC41935544C89A
Analoge Uhr (clock): http://www.heise.de/software/download/analoge_uhr/61872

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On 2011-06-09, Michael Lynch <michaellynch511 < at > gmail.com> wrote:
Hi All

My question is regarding weekly and monthly 'roll-ups'

For example, come the end of the week, rsnapshot will move daily.6 to
weekly.0.

Doesn't this mean that some files may get lost?

Yes.

I mean, a file created on one day, deleted on the next day.
2 weeks later, that file is going to be missing from the weekly snapshots,
never to be seen again!

Is that a correct assumption?

Yes. Changes done and then un-done between backups are not backed up.

BTW, is there an archive for this mailing list??

http://dir.gmane.org/gmane.comp.sysutils.backup.rsnapshot.general

--
Grant Edwards grant.b.edwards Yow! I Know A Joke!!
at
gmail.com


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Thanks all.

Thankyou Rolf. do-snapshots looks fantastic, it takes the reliance and configuration away from cron.

Infact, it should be built into rsnapshot!. Possibly as "rsnapshot auto"


Cheers
Michael.

Hallo Michael,

Am Donnerstag, 9. Juni 2011 17:27 schrieb Michael Lynch:
Thanks all.

Thankyou Rolf. do-snapshots looks fantastic, it takes the reliance and
configuration away from cron.

Thanks! But when you use it, be aware that it is runnig only on my two
machines locally(!!) since 10/2010 and not even tested elsewhere as far as
I know!

Therefore I'm very interested in any remarks and (hopefully not bug-)
reports!


Infact, it should be built into rsnapshot!. Possibly as "rsnapshot auto"

"Peter Klausner" <pklausner < at > web.de>
gave a patch for exactly that on 7. June 2011 10:28
in
Re: [rsnapshot-discuss] Patch to run all intervals in one go

--
Herzliche Grüße!
Rolf Muth

Meine Adressen duerfen nicht fuer Werbung verwendet werden! PGP Public Key:
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xF8DC41935544C89A
Analoge Uhr (clock): http://www.heise.de/software/download/analoge_uhr/61872

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Oh I ran into that thread.

No time at the moment though :)

Regards

On 10/06/2011, at 2:56 AM, Rolf Muth <rolf.muth < at > web.de> wrote:

Hallo Michael,

Am Donnerstag, 9. Juni 2011 17:27 schrieb Michael Lynch:
Thanks all.

Thankyou Rolf. do-snapshots looks fantastic, it takes the reliance
and
configuration away from cron.

Thanks! But when you use it, be aware that it is runnig only on my two
machines locally(!!) since 10/2010 and not even tested elsewhere as
far as
I know!

Therefore I'm very interested in any remarks and (hopefully not bug-)
reports!


Infact, it should be built into rsnapshot!. Possibly as "rsnapshot
auto"

"Peter Klausner" <pklausner < at > web.de>
gave a patch for exactly that on 7. June 2011 10:28
in
Re: [rsnapshot-discuss] Patch to run all intervals in one go

--
Herzliche Grüße!
Rolf Muth

Meine Adressen duerfen nicht fuer Werbung verwendet werden! PGP
Public Key:
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xF8DC41935544C89A
Analoge Uhr (clock): http://www.heise.de/software/download/analoge_uhr/61872
---
---
---
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EditLive Enterprise is the world's most technically advanced content
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_______________________________________________
rsnapshot-discuss mailing list
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https://lists.sourceforge.net/lists/listinfo/rsnapshot-discuss

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On Thu, Jun 09, 2011 at 03:18:59PM +1000, Michael Lynch wrote:

For example, come the end of the week, rsnapshot will move daily.6 to
weekly.0.

Doesn't this mean that some files may get lost?

I mean, a file created on one day, deleted on the next day.
2 weeks later, that file is going to be missing from the weekly snapshots,
never to be seen again!

Yes.

BTW, is there an archive for this mailing list??

Yes.

http://sourceforge.net/mailarchive/forum.php?forum_name=rsnapshot-discuss

Again, so happy to have rSnapshot working for me
Any plans to include rdiff???

rsnapshot-diff may be what you are looking for.

--
David Cantrell | semi-evolved ape-thing

I think the most difficult moment that anyone could face is seeing
their domestic servants, whether maid or drivers, run away
-- Abdul Rahman Al-Sheikh, writing at
http://www.arabnews.com/?article=38558

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Rdiff does binary diff.

Including it as part of rsnapshot would reduce snapshot size for large
files.

However, it would be next to impossible to implement!

Regards

On 10/06/2011, at 8:21 PM, David Cantrell <david < at > cantrell.org.uk> wrote:

On Thu, Jun 09, 2011 at 03:18:59PM +1000, Michael Lynch wrote:

For example, come the end of the week, rsnapshot will move daily.6 to
weekly.0.

Doesn't this mean that some files may get lost?

I mean, a file created on one day, deleted on the next day.
2 weeks later, that file is going to be missing from the weekly
snapshots,
never to be seen again!

Yes.

BTW, is there an archive for this mailing list??

Yes.

http://sourceforge.net/mailarchive/forum.php?forum_name=rsnapshot-discuss

Again, so happy to have rSnapshot working for me
Any plans to include rdiff???

rsnapshot-diff may be what you are looking for.

--
David Cantrell | semi-evolved ape-thing

I think the most difficult moment that anyone could face is seeing
their domestic servants, whether maid or drivers, run away
-- Abdul Rahman Al-Sheikh, writing at
http://www.arabnews.com/?article=38558

---
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EditLive Enterprise is the world's most technically advanced content
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_______________________________________________
rsnapshot-discuss mailing list
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https://lists.sourceforge.net/lists/listinfo/rsnapshot-discuss

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