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I have a PowerEdge 2950. I have one 1TB drive with critical data on it that has been running alone for months, and I want to add a second 1TB drive and make a RAID1 out of these 2 drives, but without losing the data on the first 1TB drive.

From PERC, is this something that can be done without having to make a complete backup of the data and restore it into the new RAID1 drive?

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what you trying to do is possible... but more in a real hackish way.

but in my opinion:

  • make a downtime
  • backup the data from RAID1
  • rebuild the new RAID1
  • restore the data from the Backup you made

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