Setting up the bricks used for backend storage

The following is the list of components that we'll be using:

• Azure L4s VM with 4vCPUs and 32 GB of RAM
• Four S10 128 GB Disks per VM
• CentOS 7.5
• ZFS on Linux as the filesystem for the bricks
• A single RAID 0 group with four disks
• GlusterFS 4.1