recently one of the drives in my storage pool died. Considering that I already was running out of free space:

#zfs list storage
NAME USED AVAIL REFER MOUNTPOINT
storage 3.21T 820G 236K /storage

I decided to not only replace the failed 1.5TB drive but get two 4TB drives and upgrade whole vdev. Imagine my surprise that despite my memory telling me that it should grow on it’s own. It didn’t.

Some searching later I found out that replacing drives is only part of the solution.
First you have to Continue reading Growing ZFS pool →