HP StorageWorks Modular Smart Array 1000 HP StorageWorks 1000/1500 Modular Sma - Page 9

Step Description (continued) 8 Verify that all volume groups remain linked to the storage units. From the server console, enter vgdisplay -v /dev/ Example display, using a vgname of /vg06: Check F Volume groups VG Name Logical volumes LV Name LV Status LV Size (Mbytes) Current LE Allocated PE Used PV Physical volumes PV Name PV Status Total PE Free PE Autoswitch PV Name PV Status Total PE Free PE Autoswitch PV Name PV Status Total PE Free PE Autoswitch /dev/vg06 /dev/vg06/lvol1 available/syncd 80000 20000 20000 3 /dev/dsk/c6t0d0 available 8680 0 on /dev/dsk/c6t0d1 available 4997 0 on /dev/dsk/c6t0d2 available 2497 0 on 9 Install the additional MSA array controller. F • Before installing the additional array controller, ensure that both controllers have the same cache size installed (256MB or greater). • Install the array controller using instructions shipped with the controller. • After installing the additional array controller: • Allow the auto-cloning process to compare the firmware on the two controllers and clone the firmware from the previously-updated controller to the just-installed controller. • Wait for the cloning process to complete, the just-installed controller to automatically restart, and MSA STARTUP COMPLETE to display on the controller LCD panel. Migrating from an active/passive single controller to active/active dual controllers in HP-UX environments 9