HP StorageWorks MSA 2.8 SAN Switch - Manual (Page 158)

Updating Switches to the Core PID Addressing
158 Fabric OS Procedures Version 3.1.x/4.1.x User Guide
19. Validate that the entry has been removed by using the command ioscan
–funC disk . Notice in the following example that the NO_HW entry is no
longer listed.
Example
20. Repeat for all fabrics.
21. Issue the switchEnable command. Enable the core switches first, then the
edges.
AIX Procedure
1. Back up all data. Verify backups.
2. If you are not using multi-pathing software, stop all I/O going to all volumes
connected through the switch or fabric to be updated.
3. If you are not using multi-pathing software, varyoff the volume groups.
The command usage is varyoffvg . For
example:
varyoffvg datavg
4. If you are not using multi-pathing software, unmount the volumes from their
mount points using umount. The command usage is umount
< mount_point >. For example:
umount /mnt/jbod
5. If you are using multi-pathing software, use that software to remove one
fabric’s devices from its configuration.
6. Remove the device entries for the fabric you are migrating. For example, if the
HBA for that fabric is fcs0, execute the command:
het46 (HP-50001)> ioscan -funC disk
Class I H/W Path Driver S/W State H/W Type Description
-------------------------------------------------------------------------------
disk 0 0/0/1/1.2.0 adisk CLAIMED DEVICE SEAGATE ST39204LC
/dev/dsk/clt2d0 /dev/rdsk/c1t2d0
disk 1 0/0/2/1.2.0 adisk CLAIMED DEVICE HP DVD-ROM 304
/dev/dsk/c3t2d0 /dev/rdsk/c3t2d0
disk 319 0/4/0/0.1.2.255.14.8.0 adisk CLAIMED DEVICE SEAGATE ST336605FC
/dev/dsk/c64t8d0 /dev/rdsk/c64t8d0