3.10 Upgrade UPS
Perform upgrade checklist
Upgrading an uninterruptible power supply (UPS) could mean replacing the UPS battery (which can be a hot swap operation) or putting a UPS with a larger VA rating in place of a smaller UPS.
A UPS upgrade might be required for any of the following reasons:
The current UPS does not provide power for a time period that is long enough to allow the network server to shut down gracefully.
The network server’s power requirements have increased because of the addition of power-consuming hardware to the network server (for instance, additional internal hard disk drives).
The amount of equipment (such as external hard disk drives) that must be supported by the UPS during ...