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Michael Sanders has worked in the sales industry since 2017. Michael started as a Sales Associate at Rubicon Project in 2017 and then moved on to become a Sales Manager at Telaria in 2018. Most recently, they have been a Sales Development Representative at BIScience since 2020.

I have a server with a RAID1 array. I have two drives, one of them is failing (smartctl reports it as "pre-failure" and it's constantly disconnecting).

I want to replace it, but I'm not sure how to do it.

Do I need to replace the drive while the server is running, or do I need to shut down the server and replace it?

Also, do I need to do anything special to the new drive before replacing the old one?

Thanks.