In preparation for alternative boot environment creation, mirror system disks. This sub-section provides an example of mirroring system disks in the configuration as shown in the figure below.
Information
System disk mirroring is not required. A configuration without sdb and sdd in the following figure is also available. However, the mirroring configuration as shown in the following figure is recommended for systems that require high availability.
Figure 7.28 System Disk Configuration
The disk areas (proxy groups) for backing up system disks are necessary.
Information
Mirroring of the disk areas for backup is not required. A configuration without sdf and sdh in the following figure is also available. However, the mirroring configuration as shown in the following figure is recommended for systems that require high availability.
Figure 7.29 Proxy Group Configuration
Figure 7.30 Joining Proxy Groups
