Remove and replace the complementary metal-oxide semiconductor
(CMOS) battery.
Replacing a Storwize V7000 Gen2 CMOS battery
The complementary metal-oxide semiconductor (CMOS) battery
is a coin-shaped power cell that is mounted inside a node canister.
It is used to keep the system time when there is no power to the node
canister. The lithium battery must be handled correctly to avoid possible
danger. If you replace the battery, you must adhere to all safety
instructions.