this post was submitted on 21 Jul 2023
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Ubuntu Server

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Change current ssd to raid1 (discuss.tchncs.de)
submitted 1 year ago by [email protected] to c/[email protected]
6 comments fedilink hide all child comments
 

Hi there, I just ordered a second (similar) ssd to the one I have. Not a boot drive. Once it arrives, I'd like to put it in raid 1 with my current drive. The current drive is not empty (but I could back it up if necessary).

I have used mdadm in the past but never with a drive that is actually in production use. Which steps would you suggest?

Have a good one!

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[โ€“] [email protected] 3 points 1 year ago (2 children)

What I usually do:

  • create degraded raid1 with the new disk only
  • copy the files over
  • adjust fstab if needed
  • wipe the old disk and add it to the raid
  • wait for the kernel to resync it
[โ€“] [email protected] 1 points 1 year ago

Sounds absolutely legit to me. Aside this, a backup will never hurt.

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