Chapter 6 Storage Networking
About the Storage Networking License
Scalar i500 User’s Guide 150
About the Storage Networking License
By default, logical library partitions and tape drives enable a single
control path and data path, respectively. This default partition control
path and default drive data path configuration is the Standard path
configuration. Redundant/failover configurations exist for both, control
path and data path configurations and require a Path Failover/Native
Storage Networking (SNW) (formerly known as Storage Networking or
SNW) license.
Features available to be configured for SNW include:
• Basic Control Path and Data Path Failover configurations with HP
LTO-5 and LTO-6 drives
• Multi Control Path and Data Path Failover configurations with IBM
and/or HP LTO-5 and higher drives
• Advanced Control Path and Data Path Failover configurations with
IBM LTO-5 and higher drives
The Standard Control Path/Data Path option provides a single
connection path and provides no failover protection.
If you purchase a Path Failover/Native Storage Networking (SNW)
license after you purchase your library, you must install the license key
on your library to enable the SNW functionality.
The SNW license is sold on a per-drive basis. The license installed on the
library indicates the number of tape drives that are licensed.
If you purchase an SNW license for a particular number of tape drives
and later want to license more drives, you must purchase additional
SNW licenses.
The licenses are not tied to specific tape drives, but to how many tape
drives are currently using SNW features. If you remove all SNW features
from a tape drive, then the license becomes available to use on another
tape drive.
For more information on licensing, see Obtaining and Installing a License
Key on page 88.
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