HP Library and Tape Tools v4.17 Release Notes

• In a library with mixed drive technologies, drive firmware cannot be downloaded from the library
firmware download screen. Each drive must be selected individually for download. (Future
enhancement)
• If a device is in a 'Not Ready' state, L&TT may not be able to perform all diagnostic functions.
Most devices are only very briefly in this state, but some libraries can take a significant amount
of time after power-up or after a firmware download before becoming ready. If this problem is
encountered, wait until the device is in a ready state and then use L&TT. (Future enhancement)
Autoloaders
• DAT72x6 – After using the L&TT front panel and then closing L&TT, the autoloader is left ‘locked'.
This is expected product behavior. The workaround is to eject the magazine to unlock.
• DDS2/3/4 autoloaders do not function in L&TT with the option switch value set to return the
standalone drive ID. This causes an ‘unsupport product' response. L&TT works fine with the switch
in default position. This is expected product behavior.
Tape drives
• USB devices—Hot plugging a device (such as a USB memory stick) on the same USB bus as a
Tape Drive can cause a bus reset, and therefore any test in progress on that drive may abort or
fail.
• DLT 8000–Firmware upgrade appears to fail with LSI U320 HBA. It does actually upgrade OK.
Using firmware upgrade tape works fine.
• LTO-6 drive—Part number is not displayed in the support ticket.
Operating system specific
• Windows — Device scan can fail intermittently with 'Unexpected Win32 error encountered during
I/O scanning: 2' error message. Work-around is to re-scan.
• Windows Vista, 7, and 2008 — L&TT will sometimes APPCRASH on exit.
• Windows — if installing with Microsoft Installer package 4.5 uninstall the previous version manually
first otherwise the installation will not complete correctly.
• HP-UX — Running the LTO Drive Assessment test on multiple drives concurrently can cause a core
dump. The exact number is not known but is in the region of 8 or more.
• Linux in CLF (command line) mode – LTO Drive Assessment test output scrolls off the screen at the
end of the test. Test results can still be found in the ResultLog.ltt files.
• Mac — Device performance tests are limited to approximately 220 MB/s. The Get files from web
feature is not supported so L&TT cannot check for the availability of the latest firmware.
• OpenVMS
The Get files from web feature is not supported so L&TT cannot check for the availability of
the latest firmware.
◦
◦ L&TT stops part way through the Read Write test when used with the Full Volume option
because of excess memory consumption.
• VMware – L&TT has limited testing and support for standalone SAS drives and all libraries. There
are no known issues. Install check and system performance tests are not supported.
Generic to tool
• There is some inconsistency between the reporting of data capacity and volume between tests.
Some tests report data based on the power of 10, whereas others report data based on the power
of 2. L&TT is transitioning to the power of 10–based reporting to match industry specifications.
• If L&TT is unable to automatically verify successful completion of a firmware update and is then
re-selected from the previous scan, L&TT may exit with an exception. The cause is that the operating
system has performed its own re-scan and logically moved the device after its update. If this
6 Known issues and limitations in L&TT 4.17