We had to change the ip number of our TSM server yesterday.  That
broke the connection to our 3584 library, which I did not anticipate.
We are seeing this type of error:

02/18/2010 04:47:12      ANR8840E Unable to open device /dev/
IBMchanger0 with file
                          handle 2. (SESSION: 2690)
02/18/2010 04:47:12      ANR8441E Initialization failed for SCSI
library 3584-01.
                          (SESSION: 2690)

Redefining the path to the library failed.  I do not know where the
dependency on the ip number of the TSM server occurs on the connection
between the server and the library.  Could someone provide the missing
information, please?

tsm: TSMIN01>def path tsmin01 3584-01 srct=serv autod=y destt=libr
devi=/dev/IBMchanger0
ANR8418E DEFINE PATH: An I/O error occurred while accessing library
3584-01.
ANS8001I Return code 15.

Thank you,
Keith Arbogast