the 2U and 4U libraries with library firmware levels above 8.xx).
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.
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 <Run>.
v Push the Select key to execute Library Verify.
Configure
Path Failover
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Figure 5-21. Configure: Path Failover
Service
Library Verify
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47
Figure 5-22. Service: Library Verify menu
5-30 Dell PowerVault TL2000 Tape Library and TL4000 Tape Library User's Guide
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