Creating ZFS Pool Single Disk to Mirror

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Geekhead

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Published on December 28, 2019 1:37:52 AM ● Video Link: https://www.youtube.com/watch?v=JsAsNA93v7E

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Guide

Duration: 7:32

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In this video I show how to install ZFS file system on Ubuntu 18.04 and configure a zpool with only one disk. Then we take that existing ZFS pool and add an additional disk to the pool to make it a mirror for some redundancy.

Install ZFS
# apt install zfsutils

Create the ZFS pool
# zpool create datastore sdb

Show the pool status and mount point:
# zfs list
# zpool status
# zpool status datastore
# mount -l

Check volume sizes
# df -h

Add disk to existing pool and create mirror from it:
# zpool attach datastore sdb sdc

Show the pool status and mount point
# zfs list
# zpool status