
the SCSI target ID to the new D_ID on the fly. However, a second system may use
a different SCSI target ID for that target. Thus, if you are seeking to work with the
same target across multiple hosts you must be prepared to encounter the situation
where the same Fibre Channel target is known by different SCSI target IDs. The
persistent binding feature of this device driver can be used to maintain a consistent
target ID on all systems.
Drive light turns off
On some disk drives with down level firmware, the drive light will turn off. Typically,
the drive light does not turn on again under its own power. In some situations,
however, the light will turn on when a command to it times out and the driver tries
to abort the command. It may also turn on at the next loop event. Contact the drive
manufacturer for new firmware to fix the problem.
LIP type F8
Some disk drive firmware does not recover from a LIP type F8 in the way expected
by other Fibre Channel devices; the result can be a loop full of devices that are
confused. Usually, the best that can be done for recovering from this situation is to
reboot all the hosts involved and power cycle all the disk drives involved.
Unfortunately, it may be difficult to realize that an F8 LIP has happened:
subsequent loop events may obscure the relevant log messages on the console or
in the system log. The Emulex Digital Hub will bypass devices sending LIP F8, and
keep your loop up and running.
Emulex Documentation, Drivers, and Software
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