Communicator e3000 MPE/iX Release 7.5 (Software Release C.75.00) (30216-90336)

Chapter 4
Fibre Channel Device and Adapter Support on HP e 3000 Systems
TDUTIL — Fibre Channel Diagnostic Utility
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The Driver State represents the state of the software driver controlling the adapter card. When the driver and
the card are functioning properly, the Driver state should be ONLINE. Any other state can be considered a
transient one with the exceptions of the states AWAITING_LINK_UP and OFFLINE. It is normal for the
driver to temporarily stay in AWAITING_LINK_UP state, but if it stays for too long, typically more than 5
seconds, then there is a problem in the cable or with the device at the other end. If a loop contains multiple
devices along with the host adapter card, one of the devices going faulty can temporarily result in the driver
going out of ONLINE state. If the loop is through an FC hub, then the hub will automatically bypass the
faulty device and the driver will come back to ONLINE state immediately.
Due to the impact on the functioning of the driver by using TDUTIL, only a user logging in as
MANAGER.SYS can invoke the utility.
NOTE TDUTIL supports usage of options while invoking the utility but these options are meant to be
used only by HP Support Representatives for troubleshooting. Customers are advised to use
TDUTIL only by specifying the adapter path and not make use of use any of the options.