Replace a failed drive in a software RAID on linux

Fix Broken RAIDSoftware RAID is great, especially for servers. While you can use RAID for increased speed, most people use RAID mirroring so that all data is written to two identical disks.

If one disk fails, your server stays up because the 2nd drive still works. But what happens when a drive fails?

The replacement process obviously requires your hosting company to the replace the drive.

But both before and after the physical drive replacement, you’ve got some work to do!

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