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3. Ensure the Operator Fibre Channel address menu is set correctly. See
options 4 and 5 in Table 3 on page 10. Use the Fibre address
information to verify that:
v The drive is receiving light over the Fibre cable (the address is not “-- --
--”)
v The drive can communicate over the Fibre cable (address is not “?? ??
??”)
v The drive AL_PA is not already being used on the Fibre loop (address =
aa bb cc CONFLICT)
v The drive AL_PA is not bypassed on the loop (address = aa bb cc
OFFLINE). This can be initiated by another device on the loop.
4. Check the Fibre Channel Attachment in its environments.
v In an AIX environment, see “AIX Environment Attachment Check” on
page 105.
v In a SUN environment, see “Sun Environment Attachment Check” on
page 108.
v In a Windows NT environment, see “Windows NT and Windows 2000
Environment Attachment Check” on page 109.
5. Verify software levels and topology. Refer to IBM TotalStorage 3590 Tape
Subsystem Introduction and Planning Guide. Verify that the desired topology
is supported.
6. If the problem remains, call the appropriate host, SAN, or drive service
organization, or refer to the host or SAN documentation.
110 3590 Operator Guide