HP Surestore Disk Array FC60 HP SureStore E Disk Array FC60 Service Manual (A5 - Page 206

Note When is the NVSRAM information on the disks overwritten by the NVSRAM settings on the controller? The NVSRAM settings on the controller are copied to the disks in the following situations. Each of these operation initiates a Start-Of-Day process, during which the controller NVSRAM settings are copied to the disks. - Following a syswipe operation. All information is cleared from the disks and the controller NVSRAM settings are written to the disks. - Following a firmware upgrade performed using the amdload command to load new NVSRAM settings. - If the NVSRAM settings on one of the controllers changes the disk information is updated. This would only occur if the controller was removed, the NVSRAM settings changed by installing it in another disk array, and then reinstalling the controller in the original array 206 Moving a Volume Group from One Disk Array to Another