HP SureStore HD Server 4000 User's Guide - 5967-9979

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4 Updating the Firmware
After updating and then reverting to the alternative image, you
may see on the
Firmware Update
page the following example:
Current Firmware Version: A.00.00
Alternate Firmware Version: A.01.01
After updating to A.02.01, for example, and restarting, you
would see on the
Software Update
page the following:
Current Firmware Version: A.02.01
Alternate Firmware Version: A.00.00
Your new update would therefore replace the previous (backup)
version A.01.01, because you had switched to the backup image.