I have been struggling with an issue involving the write speed of my new LTO 5 HH SAS drives with Backup Exec 2010 R2. I recently replaced a dead LTO 3 library with a new Tandberg T24 LTO 5 library. I moved the backup jobs to a fresh install of server 2003 R2 Standard, and a new install of Backup Exec 2010 R2 Sp1. The problem i have had is the write speed for the new drives is much slower than anticipated, previously on the LTO3 library backup jobs ran at about 1,300 MB/min and with the current LTO 5 I average 850 MB/min. What parts of the puzzle am i missing to get the potential write speed out of these drives. Symantec support has been less than helpful thus far with over one hour hold times, and a atrocious website. Please help
Using symantec drivers for the Tape Drives.
Default windows driver for library (as recommended by symantec support)
Current Firmware on both Library and drives
Backup exec patched to current version
OS: Window Server 2003 R2 Standard x86