[Veritas-bu] Summary: NDMP Incremental backups

Karen
Thanks  for the detailed explaination. This was what I was looking
for. Although we plan to do monthly fulls and weekly Cumm. Now that I
understand the process, I can extend this to  do exactly that.
thaks once again
-Gopinath 


On 6/10/05, Karen Schoenbauer <karen.schoenbauer AT veritas DOT com> wrote:
> This is how Netbackup works.
> The dump levels are on a per policy base so put a Full schedule,
> Incremental schedule, and Cummulative schedule into the same policy.
> 
> Example
> -Every month when the full start dump level 0 will be send.
> -Every day Incremental backup runs the dump levels will start at one
> higher then the previous backup (dump levels 1 to 9).  Once you hit 9, 9
> will be sent for all other incremental backups.
> -Cummulative will always have a dump level of 1.
> 
> Sunday - full backup - dump level 0
> Monday - Incr. backup - dump level 1
> Tuesday - Incr. backup - dump level 2
> Wednesday - Incr. backup - dump level 3
> Thursday - Cumm. Backup - dump level 1
> Friday - Incr. backup - dump level 2
> Saturday - incr. backup - dump level 3
> Sunday - full backup - dump level 0
> 
> 
> I hope this helps.
> 
> 
> -----Original Message-----
> From: veritas-bu-admin AT mailman.eng.auburn DOT edu
> [mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of Sto
> Rage(c)
> Sent: Thursday, June 09, 2005 5:06 PM
> To: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: [Veritas-bu] NDMP Incremental backups
> 
> We have been doing only Full  monthly backups of our Nearline filers
> using NDMP. There is a request to do nightly backups for a specfic
> volume and we are thinking of using Incremental backups. How does
> Netbackup handle incremental NDMP backups? Is it similar to standard
> backups? Does cumulative Incrementals work too?  if so can i have a
> policy with monthly fulls, weekly cumulative and daily differential
> incrementals? The volumes in question have snapvaulted qtrees that are
> read-only.
> My understanding it that on the filers it uses the dump command
> backup, so will netbackup send the appropriate flags to dump to match
> the policy. Or does NDMP backup always run as fulls? We plan to test
> this next week, but some heads up would be nice before hand.
> TIA
> -G
> 
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