Re: raid1 missing disk

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Am 12.10.2017 um 16:58 schrieb James J Dempsey:
I have a simple problem with a 2-disk raid-1 configuration that I can’t find the solution for on the internet so I hope someone can help.

One disk failed on my 2-disk raid-1 and I foolishly (physically) removed the disk before software removing it from the array.

The current state is that the array is running degraded with 1 disk.  My goal is to add a new disk and return it to a non-degraded 2-disk array

what do you mean by "I foolishly (physically) removed the disk before software removing it from the array"?

if a disk explodes it also disappears unannounced

"My theory of this is that the computer switched it?s idea of which disk was /dev/sda and which was /dev/sdb as a result of the original removal" does not matter at all since you need the botaloader anyways on both (grub-install) and on a RAID1 it must not matter at all which is sda and wich is sdb, both can die at any point in time and both need to be bootable at any point in time
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