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How to convert basic disk into dynamic disk in Windows Server 2003

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Last Modified: 2013-12-01
Last week we had configured next RAID:
1. RAID 1 with two hard discs of 36.4 GB for the Operating System
2. RAID 5 with four hard discs of 146.8 GB for data

At Windows level all this appeared as two partitions:
1. First one related with the RAID 1, so a partition with disk space of 36.4
2. Second one related with only one partition. Because of RAID 5, it appeared with disk space of 273 GB

We needed more space in the 2nd partition of 273GB. Our server had a free gap for a last hard disc. It was installed another disc which was similar to the existing ones in the RAID 5 (same size...etc) with the purpose of not creating issues with the RAID. The disk was installed. At Array Utility level it was added to the RAID 5 and it has been detected perfectly.

Now, in Windows still appears 273 GB, i mean, in spite of adding a new disk of 146.8 GB to the server the OS still doesnt recognize the new space. It makes sense as this space is unllocated. Luckily for us, we are referring to a Data partition, not OS partition. So, in theory right now we would be able of expanding the existing partition to this unllocated space using the diskmanagement tool or dispart command. At the same time i guess we could use tools like Partition Magic or similar ones.

Considering the fact of doing it with the Windows 2003 Server disk management tool here is my question as i didnt do it before. I have two options, via diskpart command line or via GUI of Windows. I would like to try it via disk management instead of command line. According to it:

1. Attached the first screen shot of how is the system.
2. As the disk 1 is basic i can conver it in dynamic with the purpose of extending the actual free space.
3. My doubt is, can i do it directly just clicking in convert to dynamic without a risk of loosing the data? i have the doubt too if i have to convert first the unllocated space in NTFS (and for doing this....how do you suggest to do it?)

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