Arcserve Backup lets you specify the block size for tape backups. This capability lets Arcserve Backup transfer more data per block to the device. Before you specify a larger tape block size, consider the following circumstances:
Note: See the device and host bus adapter (HBA) manufacturer documentation to verify that the device supports larger data transfers.
To specify the tape block size for tape drives
HKEY_LOCAL_MACHINE\SOFTWARE\ComputerAssociates\CA ARCServe Backup\Base\TapeEngine
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\ComputerAssociates\CA ARCServe Backup\Base\TapeEngine
Locate the DEVICE# key for the tape drive that you want to configure.
Specify one of the following DWORD values:
Close the Edit DWORD Value dialog and close Windows Registry Editor.
The tape block size is applied to the tape drive.
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