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My task is to do a Windows Server 2008 R2 Standard re-installation on a DELL Server. All data will be migrated to the new Installation. The server has only two HDD's in RAID 1.

To have a backup solution, I will remove one of the Disks and install the new OS on one of the disks only. If everything goes smoothly I will install the spear HDD and rebuild the array.

So, how the RAID 1 will be rebuild in this case? Is there a danger of writing the old OS data on top of the new one? How do I avoid this?

Thanks

  • 2
    Making a real backup, that you have actually tested is usually a better option then messing around with breaking your RAID1. It sure seems like you need a backup system in place instead of trying to treat your RAID as a backup. – Zoredache Jan 3 '18 at 20:16
  • I should have mentioned it, but backups are available and I will also make a final image of the HDD's for that matter. The main reason for this, is in case I need something (configs etc) from the Old OS. Thought, I can see your point of messing around with the RAID. – pierostz Jan 3 '18 at 20:22
  • I really don't understand this approach. Back up the old server. Build the new server. Back up the new server. Restore data as needed. – joeqwerty Jan 3 '18 at 21:22

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