Huawei Server RAID Card battery error

A few days ago, Huawei Server RH2288 H V2raid card has no battery, or no capacitance, will report the following error:

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It's a little blurry, but you can see it.

There are 2 ways to check if the server has batteries or capacitors:

1. There is a ESN on the server, there is a small label on the server, it says Esn:xxxxxxxxxx, this number to Huawei after the sale of the said, they can show you in the background, this server factory, there is no battery.
   

2. The 2nd method, when the server starts, press Ctrl+h to enter the RAID configuration interface, and then find the Controller Properties this option, click In, and then find Battery Backup This option, there must be, you can click to see, you can also Can be found on page 2nd, 3rd, after this parameter, if it is missing status, it means that there is no battery.

No solution for the battery, find the provider to get the battery.

When the battery comes, there is a capacitor, the capacitor attached to a cache card, the cache card to be inserted on the RAID card, the role of this cache card is: In case the computer loses power, the battery can protect the data in the RAID card cache, save up to dozens of hours, when the computer power again, Quickly write the data in the RAID card cache back to the hard drive.

Here is the raid card picture (without battery and cache card)

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The cache card is integrated with the battery, and the cache card is inserted directly on top of the raid card.

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Huawei Server RAID Card battery error