Dell PowerVault TL4000 Dell Model TL2000/TL4000 Tape Library- User's Guide - Page 124

a77ug119 the 2U and 4U libraries with library firmware levels above 8.xx). Configure Path Failover Figure 5-21. Configure: Path Failover For library firmware levels below 8.xx the Path Failover feature is available for select LTO 4 tape drives, and Path Failover is not supported for Half Height drives. Library firmware levels higher than 8.xx support Path Failover on LTO 5 drives, as well as LTO 4 Full Height drives.For more information, refer to the Dell PowerVault TL4000 Failover Configuration Guide, included with the library documentation. Service Menu The 2U/4U library is always online, except for when the user enters the Service Library area. A warning message appears stating that the library should be taken offline from the host before performing any Service functions. It is up to the operator to ensure that it is taken offline by phoning the host operator or other means of communication. Before performing any service functions, ensure the host is not performing any data writing or retrieval. The Service Menu contains the following items: v Library Verify - an overall library diagnostic v Run Tests - other library diagnostics v Service - diagnostics and procedures for servicing the drive v Display Contrast - setting the display from light to dark v Telnet Service Port Service: Library Verify This is an overall diagnostic that exercises all library components. To run the Library Verify test, complete the following procedure. Service Library Verify Figure 5-22. Service: Library Verify menu 1. On the Operator Control Panel, navigate to Service → Library Verify and start diagnostic. v Push the Select key to highlight the drive field. Use the Up/Down keys to select the drive. Push the Select key to complete the selection. v Push the Down key to highlight . v Push the Select key to execute Library Verify. 5-30 Dell PowerVault TL2000 Tape Library and TL4000 Tape Library User's Guide a77ug047