Quantum DLT 2000 Handbook page 146

time-to-market. By running some tests in parallel with Quantum,
the customer saves time and expense. Up to 20 drives on several
different types of host platforms are typically used during the RQT
phase. RQT can last for up to ten weeks and is conducted late in
the qualification cycle, after most issues have been resolved.
RQT includes interchange testing, where tapes are written on one
DLTtape drive and taken to another DLTtape drive to be read. The
test systems are kept under continuous operation for the entire
RQT to make sure the drives do not produce any hard (unrecover-
able) read or write errors.
For library manufacturers, a major part of RQT is how the
DLTtape drive will stand up to countless load and unload cycles.
Library makers will often test DLTtape drives up to 60,000 consec-
utive load and unload cycles during an RQT period.
Qualification Process Ensures Satisfaction
The DLTtape drive qualification process is an essential part of
ensuring that the product shipped delivers the expected perfor-
mance and reliability. The objective is to make is as easy as possible
for the end user to set up and use the system. Plug and play, or as
close to it as possible, is the goal in the qualification process. This
process, which can take from one to several months, also helps
build a partnership between Quantum, OEMs, library partners and
integrators/resellers. In addition, the intensive nature of product
qualification helps us build better products overall. Many of the
enhancements we make during customer qualification find their
way into the overall product.
Software Support
Just as important as qualification testing for new products and
hardware platforms is the support Quantum provides for cus-
tomers who are experiencing performance problems. Even when
QUANTUM DLTtape HANDBOOK 13.5