volume group

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Storage

In LVM, a set of physical volumes such that logical volumes can be defined within the volume group for user access. A volume group can be activated by only one node at a time unless you are using ServiceGuard OPS Edition. Serviceguard can activate a volume group when it starts a package. A given disk can belong to only one volume group. A logical volume can belong to only one volume group.

HP — Designing Disaster Tolerant High Availability Clusters