Oh... Sorry about that. That is the easy part.
Under the Schedule, within the policy, I changed the media multiplexing to 1. The RMAN script starts 4 channels, and sees the schedule says only 1 multiplex then it sends them to different tapes. -----Original Message----- From: Justin Piszcz [mailto:[EMAIL PROTECTED] Sent: Friday, July 27, 2007 8:35 AM To: Kevin Whittaker Cc: [email protected] Subject: RE: [Veritas-bu] Has anyone done benchmarking of any sort with.. Yeah but specifically how did you get NetBackup to backup a separate stream to each tape drive as that's the kicker? ;) On Fri, 27 Jul 2007, Kevin Whittaker wrote: > Oh, I had a spare 240 available, so I loaded ORACLE 10/Solaris 10 on it. > > I had a DBA created a database with 108GB of data in it. Then we did a > Level 0 (full) backup, that took 39 mins. > > Then we destroyed the database and restored it. > > Then we just kept doing it back and forth, testing different ways to do > the backup/restore. > > Kevin > > -----Original Message----- > From: Justin Piszcz [mailto:[EMAIL PROTECTED] > Sent: Friday, July 27, 2007 8:24 AM > To: Kevin Whittaker > Cc: [email protected] > Subject: RE: [Veritas-bu] Has anyone done benchmarking of any sort > with.. > > > > On Fri, 27 Jul 2007, Kevin Whittaker wrote: > >> Recently I did quite a bit of benchmarking on restores with ORACLE >> RMAN multiplexing. >> >> We currently do 4 channels to 1 tape. >> >> Our test backup was taking 39 mins, with a full restore time of 2 > hours. >> And we tested other channels, and it seems that the restore time is # >> of channels times the backup time. So my restores are 4 times a long >> as the backup. >> >> Well, we also tested sending each channel to different tape drives. >> Well the same backup was restored in 38 mins! > > How did you accomplish this? > > >> >> So, I am in the process of modifying my VTL to have enough tape drives > >> so that we can un multiplex all of our backups. >> >> Also I will add vaulting a multiplex image takes longer than one that >> is not multiplex. And yes, my vault profile is set to keep > multiplexing. >> >> Kevin >> >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf Of Justin > >> Piszcz >> Sent: Friday, July 27, 2007 6:50 AM >> To: [email protected] >> Subject: [Veritas-bu] Has anyone done benchmarking of any sort with.. >> >> The delay on Multiplexed restores? >> >> Justin. >> _______________________________________________ >> Veritas-bu maillist - [email protected] >> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu >> > _______________________________________________ Veritas-bu maillist - [email protected] http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
