Overview of the lab environment
The Red Hat Enterprise Linux 7.1 virtual machine we will use for this book will have additional drives added for this section. Currently, we will use three disks:
/dev/sda: This disk is used by the root filesystem/dev/sdb: This disk is used to house the yum repository/dev/sdc: This disk is used as the iSCSI LUN store
To demonstrate some key features of btrfs, we will add four additional virtual disks to the system so that we can use them while demonstrating the btrfs filesystem. Feel free to do the same if you are using a virtualized system. The different drives that we will add are as follows:
/dev/sdd/dev/sde/dev/sdf/dev/sdg
Using the lsblk command on the demonstration system, you will be able to view the starting ...
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