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Exchange 2010 backup options

Dip
Level 4

We are currently in the process of implimenting a large Exchange 2010 Environment.

We have some options for our Exchange 2010 environment and need some clarifications specifically around backups.

Options
1) 2 Copy option with 1 active copy local, and 1 passive copy in Remote site.
2) 3 copy option with 1 active and  1 passive copy local, and a site resilient copy in Remote site.

In both options we will be backing up the data in local site. We have some questions on these options.

In both options we will be installing the Enterprise Client and the OST plugin on the mailbox servers using a dedicated backup LAN for the backup traffic (any issues with using OST for Exchange backups?)
If we use the 2 copy option what are the issues with backing up just the active copy if any here in local site?
If we use the 3 copy option should we always only backup the passive copy in local site?
Lastly is there anything special about backing up the other exchange roles (CAS, Hub as well as Lync for instant messaging)

Basically I am trying to determine what the pro's and con's are from a backup perspective whether we do 2 copies or 3 copies.

4 REPLIES 4

RiaanBadenhorst
Level 6
Partner    VIP    Accredited Certified

Hi,

 

You can't perform GRT backups using OST. See the note http://www.symantec.com/docs/TECH126453

 

As for the copies, the only benefit I see in backing up the passive copy is you offload the processing from the Active Exchange Server. It doesn't really matter if you backup an active or passive node, its the same data (as long as its in sync).

Symboy
Level 6
Accredited Certified

I am sure that you are nost using Netbackup 6.5.3 to backup Exchange 2010 . 

GRT is possible/ Supported on PDDO/PDDE Storage Unit provided you have below EEB Installed .

http://www.symantec.com/business/support/index?page=content&id=TECH141274

 

RiaanBadenhorst
Level 6
Partner    VIP    Accredited Certified

Hi,

 

Sorry, was actually referring to OST storage units not being supported (not PD). http://www.symantec.com/docs/TECH127056 states OST is not supported, in later versions, 7.0.1 and 7.1, of the document the table listing all of this was simply replaced with

 

"About disk storage units and restores using Granular Recovery Technology (GRT)
Granular information is only cataloged for a backup image that is made to a disk storage unit. A backup that is made directly to tape does not contain granular information. You can duplicate the image to tape, but you cannot directly back up to tape. If you configure backups to a disk storage unit, no further configuration is required. You can only perform restores of individual items using Granular Recovery Technology (GRT) if the backup resides on a disk storage unit."

 

Should we now assume all disk storage units, basic, advanced, puredisk, and OST are supported since its not specified specifically as NOT being supported?

 

A response from Symantec would be great :)

Dip
Level 4

We are going to use NBU7.0.1 for this Environment running on RedHad Linux Master server.