November 2001
Intermediate to advanced
158 pages
5h 10m
English
Content preview from IBM ESS and IBM DB2 UDB Working Together
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Chapter 2. Terminology and concepts 27
2.3.2 Volume groups, logical volumes, and partitions
The AIX logical volume manager allows you to identify a collection of physical volumes
collectively as a volume group (VG). Each physical volume will belong to a single volume
group.
Volume groups can simplify storage management tasks, as they can be performed at the
volume group level. For instance, volume groups can be exported from one system and
imported into another; they can be backed up; and they can be removed altogether.
As a reminder, when using ESS as the underlying storage, it is possible to have more than
one volume group spread across the same set of disk drives.
All of the physical volumes in a volume group are divided into physical part ...
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