HP StorageWorks 4/256 HP StorageWorks Fabric OS 5.3.x administrator guide (569 - Page 435
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14. Change to /dev and untar the file that was tared in step 4. For example: tar -xf /tmp/jbod.tar Import the volume groups using vgimport. The proper usage would be vgimport -m . For example: vgimport -m /tmp/jbod_map /dev/jbod /dev/dsk/c64t8d0 /dev/dsk/c64t9d0 15. Activate the volume groups using vgchange. The proper usage would be vgchange -a y . For example: vgexport -a y /dev/jbod 16. If you are not using multipathing software, mount all devices again and restart I/O. For example: mount /mnt/jbod 17. If you are using multipathing software, re-enable the affected path. The preceding steps do not "clean up" the results from ioscan. When viewing the output of ioscan, notice the that the original entry is still there, but now has a status of NO_HW. # 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 disk 320 0/4/0/0.1.18.255.14.8.0 adisk NO_HW DEVICE SEAGATE ST336605FC /dev/dsk/c65t8d0 /dev/rdsk/c65t8d0 18. To remove the original (outdated) entry, the command rmsf (remove special file) will be needed. The proper usage for this command would be rmsf -a -v . For example: rmsf -a -v /dev/dsk/c65t8d0 19. Validate that the entry has been removed by using the command ioscan -funC disk. In this example, the NO_HW entry is no longer listed: 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 20.Repeat for all fabrics. 21. Issue the switchEnable command. Enable the core switches first, then the edges. AIX procedure This procedure is not intended to be comprehensive. It provides a starting point from which a SAN administrator can develop a site-specific procedure for a device that binds automatically by PID, and cannot be rebooted due to uptime requirements. 1. Backup all data. Verify backups. 2. If you are not using multipathing software, stop all I/O going to all volumes connected through the switch or fabric to be updated. 3. If you are not using multipathing software, varyoff the volume groups. The command usage is varyoffvg . For example: varyoffvg datavg Fabric OS 5.3.0 administrator guide 437
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