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Best practices for setting up Dell VTL Container or NetVault Backup native virtual tape library (nVTL)

3. At the bottom of the page, click Performance.

4. In the Drive Performance Options dialog, increase the Drive Block Size (the default is

32KB) and the Drive Transfer Buer Size setting (the defaults is 257KB) to settings that

your operating system can support, and click Ok.

Important: The amount of memory assigned to transfer buers (KB) is s often referred

to as the shared memory setting. The shared memory is allocated in 32KB blocks

with one additional byte. The optimum number is dependent on the drive model, but

the minimum value to use is at least 4x the block size setting for the drive. Ensure

that there is sucient RAM (on Windows®) or Kernel Memory (on UNIX®). Use more

shared memory if available and as required.

5. Click Back to return to the Manage Devices screen, and repeat the preceding steps for

each drive as required.