Incidentally for the record, Rob's illustration is
correct...NT just mixes things up a bit (or should I
say DOS).
Quoting "David A. Chapa" <david AT datastaff DOT com>:
> Ahh, yes NT our friend.
>
> What I would do for NT is this:
>
> Create a new class (special) with a schedule of type
> Cummulative Incremental with a retention period for
> however long you would like.
>
> Include the file list you wish and either kick off
the
> backup manually or scheduled.
>
> Either way, since this is a "new" class and the first
> schedule is an incremental (cummulative is key here)
> the first backup will be a 'full' since there is no
> previous baseline in the class. Based on how the
> cummlative incrementals work, it will backup ALL of
the
> files since the last FULL backup (not clearing the
> archive bit after the backup) which hasn't happened
yet
> in this class. Therefore you will get your full
backup
> without affecting the archive bit at all, thus
allowing
> your regularly scheduled class to run without
incident.
>
> Hope this helps
>
> david
>
> Quoting "Richard, Alain"
> <alain.richard AT menv.gouv.qc DOT ca>:
>
> > David and rob,
> >
> > My clients machines are Windows NT4 sever, does rob
> explanation still > ok or
> > how it's differents from unix box?
> >
> > Alain
> >
> > -----Message d'origine-----
> > De: David A. Chapa [mailto:david AT datastaff DOT com]
> > Date: 20 décembre, 2000 11:32
> > À: 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
> > correct and is taking you down the right track.
> >
> > I guess I shouldn't be replying to two separate NBU
> > 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
> > full backup but to do
> > > a full backup and not touch the achive bit,
becose
> > the next day the régular
> > > scedule gone a run a incremental differentiel.
> > >
> > > I want the incremental differentiel to be from
the
> > last regular scedule
> > > full backup and not from my special end of year
> > backup.
> > >
> > > ...and that is exactly what happens if your
special
> > end of year backup
> > > occurred as part of a separate class than the
class
> > that runs the regular
> > > scheduled backups.
> > >
> > > I think a more detailed example scenario might
help:
> > >
> > > =======
> > > Consider a machine named "BoxA", which is defined
> as
> > a client in both
> > > "Class1" and "Class2" NetBackup class
> > configurations. Both Class1 and
> > > Class2 happen to have an identical file list
> defined.
> > >
> > > Class1 and Class2 each run a full backup of BoxA
on
> > Monday.
> > >
> > > Class1 and Class2 each run an incremental backup
of
> > BoxA on Tuesday.
> > >
> > > Class2 runs a full backup of BoxA on Wednesday,
> > Class1 doesn't run at all
> > > on Wednesday.
> > >
> > > On Thursday, an Class1 runs an incremental backup
> of
> > BoxA. What set of
> > > changed data will it back up?
> > >
> > > (A) data modified since Monday's Class1 full
> > backup
> > > (B) data modified since Wednesday's Class2
full
> > backup
> > > ======
> > >
> > > The answer is "A". The decision of "does this
file
> > need to be backed up by
> > > an incremental backup" includes a reliance on
class
> > name.
> > >
> > > So the use of a separate class to do your yearly
> full
> > would have no effect
> > > on the differential incrementals run by the
normal
> > class.
> > >
> > > It's incorrect to think of NetBackup file
selection
> > as a matter of the
> > > files' "archive bit". Since NetBackup's roots
are
> > Unix-y, where there is
> > > no such thing as an archive bit, file selection
is
> > maintained based on
> > > examiniation of file modification times.
> > >
> > > HTH
> > > rob
> > >
> > > No,
> > >
> > >
> > > -----Message d'origine-----
> > > De: Rob Worman
> > [<mailto:rob AT colltech DOT com>mailto:rob AT colltech DOT com]
> > > Date: 20 décembre, 2000 10:45
> > > À: Richard, Alain
> > > Cc: veritas-bu AT mailman.eng.auburn DOT edu
> > > Objet: Re: [Veritas-bu] how to do full backup
> without
> > changing the
> > > achieve b it ?
> > >
> > >
> > > So your boxes might all be scheduled for their
> normal
> > full backups on
> > > January 2nd, and you want to run a full backup on
> > December 31st that will
> > > not change the scheduling of that January 2nd
> backup?
> > >
> > > I'd suggest you create a new class for this
> purpose.
> > (Netbackup full and
> > > incremental comparisons for a particular client
are
> > tied to the classname)
> > >
> > > HTH
> > > rob
> > >
> > > I everyone,
> > >
> > > I have to do a full backup at the end of the
year.
> > But i don't want to
> > > affect the regular backup. Is this a command or a
> > command line in netbackup
> > > 3.4 to do a full backup of all my server and
didn't
> > change the achive bit?
> > >
> > > Someome have an idee, (duplicate is not an
option).
> > >
> > >
> > > Alain Richard
> > > Ministère de l'Environnement
> > > Édifice Marie-Guyart
> > > 675, Bd René-Lévesque Est, 2e étage
> > > Québec (Québec)
> > > G1R 5V7
> > >
> > > Tél.: (418) 521-3838 #4733
> > > Fax : (418) 643-8999
> > > Internet : Alain.Richard AT mef.gouv.qc DOT ca
> > >
> > > _______________________________________________
> > > Veritas-bu maillist - Veritas-
> > bu AT mailman.eng.auburn DOT edu
> > >
> >
>
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-
> > bu
> > >
> >
> >
> >
> >
>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > David A. Chapa
> > Consulting Manager
> > DataStaff, Inc.
> > 847 413 1144
> >
>
>
>
>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> David A. Chapa
> Consulting Manager
> DataStaff, Inc.
> 847 413 1144
>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
David A. Chapa
Consulting Manager
DataStaff, Inc.
847 413 1144
|
