Veritas Volume Manager 5.0 Administrator's Guide (September 2006)

52 Understanding Veritas Volume Manager
Online relayout
Figure 1-27 Example of relayout of a RAID-5 volume to a striped volume
■ Change a volume to a RAID-5 volume (add parity). See Figure 1-28 for an example.
Note that adding parity (shown by the shaded area) increases the overall storage
space that the volume requires.
Figure 1-28 Example of relayout of a concatenated volume to a RAID-5 volume
■ Change the number of columns in a volume. See Figure 1-29 for an example. Note
that the length of the columns is reduced to conserve the size of the volume.
Figure 1-29 Example of increasing the number of columns in a volume
■ Change the column stripe width in a volume. See Figure 1-30 for an example.
Figure 1-30 Example of increasing the stripe width for the columns in a volume
Striped volumeRAID-5 volume
Concatenated
volume
RAID-5 volume
Three columnsTwo columns