IBM TS2340 User Guide - Page 35
Data Encryption, Tape and Library Requirements, Application-Managed Tape Encryption - sas
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Path Failover Table 3. Supported Devices and Feature Codes (continued) Supported Tape Library Feature Code (FC), if required 3583 FC 1680 (CPF), FC 1681 (DPF) 3582 FC 1680 (CPF), FC 1681 (DPF) Note: 1. Path failover is not supported on parallel SCSI (except for some parallel SCSI drives on AIX operating systems). Path Failover is only supported on SAS devices attached to Windows and Linux for Intel/AMD processor based servers. 2. Path failover is not supported on Virtual Tape Libraries (except for those listed in Table 3 on page 16) that emulate IBM tape devices. Data Encryption Tape and Library Requirements Encryption support is available in the IBM encryption-capable TS1120 and Ultrium LTO4 (Fibre Channel or SAS) tape drives that support encryption. If system-managed or library-managed encryption is used, the Transparent LTO Encryption feature code is required for the library with Ultrium LTO4 tape drives. This feature code is not required for TS1120 tape drives. Application-managed encryption does not require this feature code for any of encryption-capable tape drives. Refer to "Feature Codes (Encryption)" on page 22 for the feature code numbers. In the open system environment, there are three methods of encryption management to choose from. These methods differ in where you choose to locate your Encryption Key Manager (EKM) application. Your operating environment determines which is the best for you, with the result that key management and the encryption policy engine may be located in any one of the three environmental layers: application layer, system layer, and library layer. Application-Managed Tape Encryption This method is best where operating environments run an application already capable of generating and managing encryption policies and keys, such as Tivoli® Storage Manager (TSM). Policies specifying when encryption is to be used are defined through the application interface. The policies and keys pass through the data path between the application layer and the Encryption is the result of interaction between the application and the encryption-enabled tape drive, and is transparent to the system and library layers. Application-managed encryption is supported on AIX, Windows 2000, Windows Server 2003, Windows Server 2008, Linux, Solaris, and HP-UX. It is required to use the latest device drivers available on the following ftp down load site: ftp://ftp.software.ibm.com/storage/devdrvr/ Refer to your software vendor for support details. Please refer to "Planning for Application-Managed Tape Encryption" on page 18 for details on the hardware and software requirements for application-managed Chapter 2. Common Extended Features 17
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