troubleshooting Question

What is the purpose of the battery on a RAID Controller Card?

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L3TFlag for United States of America asked on
HardwareStorageServer Hardware
7 Comments2 Solutions23509 ViewsLast Modified:
Ok, I have a new client that has a Dell Poweredge 2600 server with a Dell PERC 3/DC RAID Controller w/128MB Cache.  I noticed that his RAID card doesn't have a battery.  I did some research and found that a battery is optional on this card.  This got me to wondering.  What is the purpose of the battery on a RAID controller? And do you really need one?

I should also mention his system is attached to a very good uninterruptible power supply (UPS).
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