HP StorageWorks EMA16000 HP StorageWorks HSG60 and HSG80 Array Controller and - Page 239
Upgrading firmware on a device
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Upgrading the Subsystem Upgrading firmware on a device Use the format and device code load utility (HSUTIL) to upgrade a device with firmware located in contiguous blocks at specific logical block numbers (LBNs) on a source disk drive. The source disk drive must be configured as a unit on the same controller. Upgrading firmware on a disk is a two-step process (see Figure 120): 1. Copy the new firmware from the host to a disk drive configured as a unit in the subsystem. 2. Use HSUTIL to load the firmware onto the devices in the subsystem. Copy software image from host Use HSUTIL to download software image to devices CXO5606C Figure 120: Upgrading device firmware (BA370 enclosure example) Keep the following points in mind while using HSUTIL to upgrade firmware on a device: ■ HSUTIL is tested with the qualified devices listed in the product-specific release notes that accompanied the software release. Firmware installed on unsupported devices is possible-HSUTIL does not prevent this-but if the upgrade fails, the device might be rendered unusable and, therefore, require manufacturer attention. ■ If the power fails or the bus is reset while HSUTIL is installing the new firmware, the device can become unusable. To minimize this possibility, secure a reliable power source and suspend all I/O to the bus that services the device being upgraded. HP StorageWorks HSG60 and HSG80 Array Controller and Array Controller Software 239 Maintenance and Service Guide