I recently had a disk fail on my Dell server running Windows Server 2016. After removing the failed disk and inserting it back, the indicator changed from orange to green, but now the RAID configuration is prompting me to clear the foreign configuration. I'm concerned that the server doesn't recognize the disk as part of the original RAID setup. When the disk initially failed, Windows wouldn't boot, and despite an auto-repair attempt, the server now doesn't identify any bootable drive. How bad is my situation? If I replace the failed disk with a new one, will everything be restored?
5 Answers
With RAID 10, ideally, it should have switched over to the good mirror. Since you reinserted the broken disk, it's likely confusing the system. It's a good practice to always have a hot-swappable drive handy for situations like this. Replace the broken one and you should be good to go.
Wow, you actually put the failed disk back in? That's a risky move! It might complicate things further, but don't worry—just get a replacement disk and rebuild the RAID.
Don’t insert the failed disk back into the RAID array. It's best to replace it with a new disk and then rebuild the RAID array to avoid complications.
Honestly, you might want to think about hiring a professional to handle this. RAID setups can be tricky, and it's easy to make mistakes that could lead to data loss.
Just a heads up—after a disk fails once, it’s pretty likely to fail again. Best to rebuild the array with a brand new disk instead. And as for putting that broken drive back in, what were you thinking? Just grab a new one this time!

I totally get it now! I’m not an expert in storage, which is why I asked for help. Thanks for the tips!