HP SureStore E Disk Array 12H User's and Service Manual (C5445-90901, September 1999)

HP SureStore E Disk Array 12H Controller
Firmware Download Procedure
41
Controller
Figure 16. Replacing an Array Controller Flowchart
Replacing an Array Controller
NOTE: In some cases, you may need to download firmware when replacing a controller.
Downloading firmware is an offline process. In most cases, the LUNs on the array need
to be either un-mounted or deactivated from the volume group.
No
Does the replacement
controller have the same
firmware that is in the disk
array?
Perform procedure " Replace A "
Replacing controller and firmware
matches
(replace matching)
Yes
Is the disk array a
boot device?
Perform procedure " Replace C "
Replacing controller on boot device
and firmware does NOT match
(replace boot)
Perform procedure " Replace B "
Replacing controller and firmware
does NOT match
(replace non boot)
Yes
No
Does this disk
array have a single
controller?
Yes (Single Controller)
No
(Dual Controller)
Perform procedure " Replace D "
Replacing a Single Controller
(replace single)