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Creating New RAID 5 Array using HP ACU

We received a HP DL 380 G5 server with only one 72GB Hard Drive. This was not enough storage so we ordered for 4 more similar capacity hard drives. However we needed to get the system up and running so installed windows 2003 r2 on the existing hard drive (raid 0). It currently has two partitions and is running an application.

When the new hard drives arrive, I wanted to configure  a RAID 5 array using the HP ACU utility and create logical drives. My questions are:

1. Will I loose data by reconfiguring the system to RAID 5 and creating logical drives
2.Is there a way to configure RAID 5 without having to reinstall the entire system-os and applications?
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Julian Parker
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Okay, what is the recommended solution(disk-imaging software) to restore the contents-data+applications+os image from the first hard drives to the newly created array. and how to do you go about it?
that is a different question... recommended is subjective... I use... someone else uses...
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Ok. Ive understood the first part of your explanation. But you lost on the part about the battery and the controller. the server has a P400 smart array controller.from the array configuration utility it has the battery pack count is 0. but what does this have to do with the raid level that you can configure?
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Thanks andyalder, your responses were accurate and spot-on!