Expanding LVM Drives

David Klee shows how to expand an LVM drive on Linux:

Next in our SQL Server on Linux series is one important question. On Windows, if you’re about to run out of space, you get your VM admin / storage admin to expand one or more of your drives, and you go to Disk Management and expand the drive with no downtime. How do we accomplish this same task on Linux?

First, SSH into your VM. Get your appropriate system engineer to expand the drive that needs to be expanded. You won’t be able to see it at first in Linux because, just like in Windows, it’ll need to rescan the storage to ‘see’ the extra space. Sometimes Windows does it automatically, and sometimes you have to initiate it manually. In Linux it only does this on system startup.

Let’s grow our data drive from 250GB to 300GB first.

Click through to see how to do that.

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