How Does /Dev/sdX Work?
Sorry If I Don't Have the Correct Terminology, I Am Still Somewhat a Linux Novice. I Have a Computer with Four Hard Drives (Sda, Sdb, Sdc & Sdd) in It. I Am...
Sorry if I don't have the correct terminology, I am still somewhat a linux novice.
I have a computer with four hard drives (sda, sdb, sdc & sdd) in it. I am going to add a fifth (sde) which will replace two others (sdb & sdc).
Adding the drive and moving data to it is the easy part for me. What happens when I physically remove the other two disks? Will the labels move down? Will I need to manually edit fstab and fix the problem?
1 Answer
Letters are assigned on the basis of which drive gets enumerated first. The first drive gets /dev/sda, the second /dev/sdb, etc. If you want to avoid having to modify /etc/fstab then you should consider using the filesystem labels or UUIDs instead of the device node.
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