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You can put both in the same library. I have IBM 3584 with both LTO-2 and LTO-3, same partition. I have done ADIC i2K with both in the same partition. Same for ADIC i500. If the library can support it, NetBackup will use it.
The different drive types will automatically create a new volume group. My 3584 shows 00_000_TLD for the LTO-2 drives, and 01_000_TLD for the LTO-3 drives. If you use Vault, it will have to have a new vault policy since Vault depends on the volume group (I spent over 1 week trying to figure that out).
You can not have your default Barcode rule distinguish between the media types unless you do something unique in the first 6 Characters. I tried but could not get it to work and the opened a case with Veritas. They told me I could not do it and still not trash my media pool as exists. It you change how your bar codes are read (by shifting the bar code reading rules), you will put every tape that you have in the scratch pool.
You could partition your library, but then you have to allocate/dedicate slots and MAIL SLOTs to each partition. The mail slots get to be tricky. If someone puts the wrong tape in the wrong mail slot, it will go into the wrong robot.
The comment below about only using hcart2 media is an hcart2 drive is correct. However, NetBackup does not enforce what you call the drive. You can define an LTO-3 tape drive to be an hcart tape drive in NetBackup. It does not use the labeled definitions for anything except putting the same media type in the drive type. I will be putting in LTO-4 drives this month in an IBM library. There is no hcart4 drive type. I will have to define them as hcart2 drives because the folks that initially set up the NetBackup envirionment defined the LTO-2 drives as hcart. The LTO-3's are now hcart3's. The only thing that I have left is hcart2. Of course I could define them as DLT, but that would probably confuse someone down the road.
To read backward capatibilty, just toggle the drive type, load the tape, do what you need to do, unload the tape, toggle the drive to what you need it to be. Not a hard or long process.
-------------- Original message --------------
From: "Martin, Jonathan" <JMARTI05 AT intersil DOT com>
Go into your barcode rules add something like.
######L2 - hcart2 (current) Scratch
######L3 - hcart3 (new rule) Scratch
You might want to get rid of a <DEFAULT> rule in this case.
Netbackup will only use hcart2 media with hcart2 tape drives and 3 with 3 etc...
Depending on your version it might say 1/2 inch cartridge (hcart.)
-Jonathan
Hello,
We have IBM tape library with LTO-2 drives and planing to add LTO-3 drives and LTO-3 tapes to it.
How to configure netbackup infrastructure to use different drive types with single robot?
Does Drive wizard detect new drives correctly or we need add drives manually? Is new volume group fot LTO-3 needed for tape operations?
Thank you very much, Sergey
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