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David and rob,
My clients machines are Windows NT4 sever, does rob explanation still =
ok or
how it's differents from unix box?
Alain=20
-----Message d'origine-----
De: David A. Chapa [mailto:david AT datastaff DOT com]
Date: 20 d=E9cembre, 2000 11:32
=C0: Rob Worman
Cc: Richard, Alain; veritas-bu AT mailman.eng.auburn DOT edu
Objet: RE: [Veritas-bu] how to do full backup without changing the
archive bit?
I'm afraid my response was a bit confusing...Rob is=20
correct and is taking you down the right track.
I guess I shouldn't be replying to two separate NBU=20
questions at the same time...prozac anyone?
david
Quoting Rob Worman <rob AT colltech DOT com>:
> It is not a question of creating a new class for that=20
full backup but to do
> a full backup and not touch the achive bit, becose=20
the next day the r=E9gular
> scedule gone a run a incremental differentiel.
>=20
> I want the incremental differentiel to be from the=20
last regular scedule
> full backup and not from my special end of year=20
backup.
>=20
> ...and that is exactly what happens if your special=20
end of year backup
> occurred as part of a separate class than the class=20
that runs the regular
> scheduled backups.
>=20
> I think a more detailed example scenario might help:
>=20
> =3D=3D=3D=3D=3D=3D=3D
> Consider a machine named "BoxA", which is defined as=20
a client in both
> "Class1" and "Class2" NetBackup class=20
configurations. Both Class1 and
> Class2 happen to have an identical file list defined.
>=20
> Class1 and Class2 each run a full backup of BoxA on=20
Monday.
>=20
> Class1 and Class2 each run an incremental backup of=20
BoxA on Tuesday.
>=20
> Class2 runs a full backup of BoxA on Wednesday,=20
Class1 doesn't run at all
> on Wednesday.
>=20
> On Thursday, an Class1 runs an incremental backup of=20
BoxA. What set of
> changed data will it back up?
>=20
> (A) data modified since Monday's Class1 full=20
backup
> (B) data modified since Wednesday's Class2 full=20
backup
> =3D=3D=3D=3D=3D=3D
>=20
> The answer is "A". The decision of "does this file=20
need to be backed up by
> an incremental backup" includes a reliance on class=20
name.
>=20
> So the use of a separate class to do your yearly full=20
would have no effect
> on the differential incrementals run by the normal=20
class.
>=20
> It's incorrect to think of NetBackup file selection=20
as a matter of the
> files' "archive bit". Since NetBackup's roots are=20
Unix-y, where there is
> no such thing as an archive bit, file selection is=20
maintained based on
> examiniation of file modification times.
>=20
> HTH
> rob
>=20
> No,
>=20
>=20
> -----Message d'origine-----
> De: Rob Worman=20
[<mailto:rob AT colltech DOT com>mailto:rob AT colltech DOT com]
> Date: 20 d=E9cembre, 2000 10:45
> =C0: Richard, Alain
> Cc: veritas-bu AT mailman.eng.auburn DOT edu
> Objet: Re: [Veritas-bu] how to do full backup without=20
changing the
> achieve b it ?
>=20
>=20
> So your boxes might all be scheduled for their normal=20
full backups on
> January 2nd, and you want to run a full backup on=20
December 31st that will
> not change the scheduling of that January 2nd backup?
>=20
> I'd suggest you create a new class for this purpose. =20
(Netbackup full and
> incremental comparisons for a particular client are=20
tied to the classname)
>=20
> HTH
> rob
>=20
> I everyone,
>=20
> I have to do a full backup at the end of the year.=20
But i don't want to
> affect the regular backup. Is this a command or a=20
command line in netbackup
> 3.4 to do a full backup of all my server and didn't=20
change the achive bit?
>=20
> Someome have an idee, (duplicate is not an option).
>=20
>=20
> Alain Richard
> Minist=E8re de l'Environnement
> =C9difice Marie-Guyart
> 675, Bd Ren=E9-L=E9vesque Est, 2e =E9tage
> Qu=E9bec (Qu=E9bec)
> G1R 5V7
>=20
> T=E9l.: (418) 521-3838 #4733
> Fax : (418) 643-8999
> Internet : Alain.Richard AT mef.gouv.qc DOT ca
>=20
> _______________________________________________
> Veritas-bu maillist - Veritas-
bu AT mailman.eng.auburn DOT edu
>=20
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-
bu
>=20
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
David A. Chapa
Consulting Manager
DataStaff, Inc.
847 413 1144
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<TITLE>RE: [Veritas-bu] how to do full backup without changing the =
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<BODY>
<P><FONT SIZE=3D2>David and rob,</FONT>
</P>
<P><FONT SIZE=3D2>My clients machines are Windows NT4 sever, does rob =
explanation still ok or how it's differents from unix box?</FONT>
</P>
<P><FONT SIZE=3D2>Alain </FONT>
</P>
<P><FONT SIZE=3D2>-----Message d'origine-----</FONT>
<BR><FONT SIZE=3D2>De: David A. Chapa [<A =
HREF=3D"mailto:david AT datastaff DOT com">mailto:david AT datastaff DOT
com</A>]</FON=
T>
<BR><FONT SIZE=3D2>Date: 20 d=E9cembre, 2000 11:32</FONT>
<BR><FONT SIZE=3D2>=C0: Rob Worman</FONT>
<BR><FONT SIZE=3D2>Cc: Richard, Alain; =
veritas-bu AT mailman.eng.auburn DOT edu</FONT>
<BR><FONT SIZE=3D2>Objet: RE: [Veritas-bu] how to do full backup =
without changing the</FONT>
<BR><FONT SIZE=3D2>archive bit?</FONT>
</P>
<BR>
<P><FONT SIZE=3D2>I'm afraid my response was a bit confusing...Rob is =
</FONT>
<BR><FONT SIZE=3D2>correct and is taking you down the right =
track.</FONT>
</P>
<P><FONT SIZE=3D2>I guess I shouldn't be replying to two separate NBU =
</FONT>
<BR><FONT SIZE=3D2>questions at the same time...prozac anyone?</FONT>
</P>
<P><FONT SIZE=3D2>david</FONT>
</P>
<P><FONT SIZE=3D2>Quoting Rob Worman <rob AT colltech DOT com>:</FONT>
</P>
<P><FONT SIZE=3D2>> It is not a question of creating a new class for =
that </FONT>
<BR><FONT SIZE=3D2>full backup but to do</FONT>
<BR><FONT SIZE=3D2>> a full backup and not touch the achive bit, =
becose </FONT>
<BR><FONT SIZE=3D2>the next day the r=E9gular</FONT>
<BR><FONT SIZE=3D2>> scedule gone a run a incremental =
differentiel.</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> I want the incremental differentiel to be =
from the </FONT>
<BR><FONT SIZE=3D2>last regular scedule</FONT>
<BR><FONT SIZE=3D2>> full backup and not from my special end of year =
</FONT>
<BR><FONT SIZE=3D2>backup.</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> ...and that is exactly what happens if your =
special </FONT>
<BR><FONT SIZE=3D2>end of year backup</FONT>
<BR><FONT SIZE=3D2>> occurred as part of a separate class than the =
class </FONT>
<BR><FONT SIZE=3D2>that runs the regular</FONT>
<BR><FONT SIZE=3D2>> scheduled backups.</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> I think a more detailed example scenario might =
help:</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> =3D=3D=3D=3D=3D=3D=3D</FONT>
<BR><FONT SIZE=3D2>> Consider a machine named "BoxA", =
which is defined as </FONT>
<BR><FONT SIZE=3D2>a client in both</FONT>
<BR><FONT SIZE=3D2>> "Class1" and "Class2" =
NetBackup class </FONT>
<BR><FONT SIZE=3D2>configurations. Both Class1 and</FONT>
<BR><FONT SIZE=3D2>> Class2 happen to have an identical file list =
defined.</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> Class1 and Class2 each run a full backup of =
BoxA on </FONT>
<BR><FONT SIZE=3D2>Monday.</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> Class1 and Class2 each run an incremental =
backup of </FONT>
<BR><FONT SIZE=3D2>BoxA on Tuesday.</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> Class2 runs a full backup of BoxA on Wednesday, =
</FONT>
<BR><FONT SIZE=3D2>Class1 doesn't run at all</FONT>
<BR><FONT SIZE=3D2>> on Wednesday.</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> On Thursday, an Class1 runs an incremental =
backup of </FONT>
<BR><FONT SIZE=3D2>BoxA. What set of</FONT>
<BR><FONT SIZE=3D2>> changed data will it back up?</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> (A) data modified since =
Monday's Class1 full </FONT>
<BR><FONT SIZE=3D2>backup</FONT>
<BR><FONT SIZE=3D2>> (B) data modified since =
Wednesday's Class2 full </FONT>
<BR><FONT SIZE=3D2>backup</FONT>
<BR><FONT SIZE=3D2>> =3D=3D=3D=3D=3D=3D</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> The answer is "A". The decision =
of "does this file </FONT>
<BR><FONT SIZE=3D2>need to be backed up by</FONT>
<BR><FONT SIZE=3D2>> an incremental backup" includes a reliance =
on class </FONT>
<BR><FONT SIZE=3D2>name.</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> So the use of a separate class to do your =
yearly full </FONT>
<BR><FONT SIZE=3D2>would have no effect</FONT>
<BR><FONT SIZE=3D2>> on the differential incrementals run by the =
normal </FONT>
<BR><FONT SIZE=3D2>class.</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> It's incorrect to think of NetBackup file =
selection </FONT>
<BR><FONT SIZE=3D2>as a matter of the</FONT>
<BR><FONT SIZE=3D2>> files' "archive bit". Since =
NetBackup's roots are </FONT>
<BR><FONT SIZE=3D2>Unix-y, where there is</FONT>
<BR><FONT SIZE=3D2>> no such thing as an archive bit, file selection =
is </FONT>
<BR><FONT SIZE=3D2>maintained based on</FONT>
<BR><FONT SIZE=3D2>> examiniation of file modification times.</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> HTH</FONT>
<BR><FONT SIZE=3D2>> rob</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> No,</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> -----Message d'origine-----</FONT>
<BR><FONT SIZE=3D2>> De: Rob Worman </FONT>
<BR><FONT SIZE=3D2>[<<A =
HREF=3D"mailto:rob AT colltech DOT com">mailto:rob AT colltech DOT
com</A>><A =
HREF=3D"mailto:rob AT colltech DOT com">mailto:rob AT colltech DOT
com</A>]</FONT>
<BR><FONT SIZE=3D2>> Date: 20 d=E9cembre, 2000 10:45</FONT>
<BR><FONT SIZE=3D2>> =C0: Richard, Alain</FONT>
<BR><FONT SIZE=3D2>> Cc: veritas-bu AT mailman.eng.auburn DOT edu</FONT>
<BR><FONT SIZE=3D2>> Objet: Re: [Veritas-bu] how to do full backup =
without </FONT>
<BR><FONT SIZE=3D2>changing the</FONT>
<BR><FONT SIZE=3D2>> achieve b it ?</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> So your boxes might all be scheduled for their =
normal </FONT>
<BR><FONT SIZE=3D2>full backups on</FONT>
<BR><FONT SIZE=3D2>> January 2nd, and you want to run a full backup =
on </FONT>
<BR><FONT SIZE=3D2>December 31st that will</FONT>
<BR><FONT SIZE=3D2>> not change the scheduling of that January 2nd =
backup?</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> I'd suggest you create a new class for this =
purpose. </FONT>
<BR><FONT SIZE=3D2>(Netbackup full and</FONT>
<BR><FONT SIZE=3D2>> incremental comparisons for a particular client =
are </FONT>
<BR><FONT SIZE=3D2>tied to the classname)</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> HTH</FONT>
<BR><FONT SIZE=3D2>> rob</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> I everyone,</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> I have to do a full backup at the end of the =
year. </FONT>
<BR><FONT SIZE=3D2>But i don't want to</FONT>
<BR><FONT SIZE=3D2>> affect the regular backup. Is this a command or =
a </FONT>
<BR><FONT SIZE=3D2>command line in netbackup</FONT>
<BR><FONT SIZE=3D2>> 3.4 to do a full backup of all my server and =
didn't </FONT>
<BR><FONT SIZE=3D2>change the achive bit?</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> Someome have an idee, (duplicate is not an =
option).</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> Alain Richard</FONT>
<BR><FONT SIZE=3D2>> Minist=E8re de l'Environnement</FONT>
<BR><FONT SIZE=3D2>> =C9difice Marie-Guyart</FONT>
<BR><FONT SIZE=3D2>> 675, Bd Ren=E9-L=E9vesque Est, 2e =
=E9tage</FONT>
<BR><FONT SIZE=3D2>> Qu=E9bec (Qu=E9bec)</FONT>
<BR><FONT SIZE=3D2>> G1R 5V7</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> =
T=E9l.: (418) =
521-3838 #4733</FONT>
<BR><FONT SIZE=3D2>> Fax : &=
nbsp; (418) 643-8999</FONT>
<BR><FONT SIZE=3D2>> Internet : =
Alain.Richard AT mef.gouv.qc DOT ca</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> =
_______________________________________________</FONT>
<BR><FONT SIZE=3D2>> Veritas-bu maillist - =
Veritas-</FONT>
<BR><FONT SIZE=3D2>bu AT mailman.eng.auburn DOT edu</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2><A =
HREF=3D"http://mailman.eng.auburn.edu/mailman/listinfo/veritas-"; =
TARGET=3D"_blank">http://mailman.eng.auburn.edu/mailman/listinfo/veritas=
-</A></FONT>
<BR><FONT SIZE=3D2>bu</FONT>
<BR><FONT SIZE=3D2>> </FONT>
</P>
<BR>
<BR>
<P><FONT =
SIZE=3D2>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</FONT>=
<BR><FONT SIZE=3D2>David A. Chapa</FONT>
<BR><FONT SIZE=3D2>Consulting Manager</FONT>
<BR><FONT SIZE=3D2>DataStaff, Inc.</FONT>
<BR><FONT SIZE=3D2>847 413 1144</FONT>
</P>
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