Can I convert from a RAID 1 To a RAID 5

I have a Dell 1900 that has SBS2011 with the PERC 5/I in a RAID 1 with hot spare. The HD's are 74G each. The free space is 8G and need help in a solution to fix the space problem.

What I'm thinking about doing is to add another drive to the server and boot to an external HD (server 2008 R2) that has the PERC 5/I drivers. Image the existing installation to the added HD, reconfigure the RAID 1 to RAID 5, then reimage back to the PERC 5/I RAID.

This solution should give me 150G of space without any costs incurred. Any thoughts?
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Carlos IjalbaIT Systems DirectorCommented:
Correct, Just make sure you have a good backup of your data, as when you reconfigure the RAID you will loose the data.

Also once you have converted to RAID-5, do a daily bakup as RAID-5 is more unreliable than RAID1, but then again, we all do a daily backup of our production systems, don´t we?

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PowerEdgeTechIT ConsultantCommented:
You can do this on the fly without affecting data or taking the server down.

Using OMSA - Storage, PERC, Virtual Disks, select Reconfigure from the dropdown menu of Available Tasks for the RAID 1. Insert the disk before doing this and make sure it is showing as Ready in the Physical Disks screen. There will be a slight degradation of performance during the reconfigure, but it is designed to be run while the server is up without affecting existing data. After expanding the array, you will then need to extend your partition(s).
Colt1911Author Commented:
PowerEdgeTech...Thanks for the lead on this. We will of course get complete images before trying this...but this is looking like the way to go. Do you have any precautions that you would do before hand on this? Any hints or tricks? Once again thanks.
PowerEdgeTechIT ConsultantCommented:
I would recommend updating system firmware first (BIOS, ESM/BMC, PERC (driver first), etc.), but otherwise it is a pretty straightforward operation.
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