Veritas Storage Foundation Portable Data Containers: Cross-Platform Data Sharing 5.0.1 Administrators Guide, HP-UX 11i v3, First Edition, November 2009

AIX coexistence label Data on disk which identifies the disk to the AIX volume manager (LVM) as being
controlled by VxVM. The contents has no relation to VxVM ID Blocks.
back-rev disk group A disk group created using a version of VxVM released prior to the release of CDS.
Adding CDS functionality rolls over to the latest disk group version number; see
also current-rev disk group.
CDS (Cross-platform
Data Sharing)
Sharing data between heterogeneous systems (such as Solaris and HP-UX operating
systems), where each system has direct access to the physical devices used to hold
the data, and understands the data on the physical device. Sharing in this sense
should not be confused with the sharing provided with CVM by means of a shared
disk group.
CDS disk A disk whose contents and attributes are such that the disk can be used for CDS
as part of a CDS disk group. In contrast, a non-CDS disk cannot be used for CDS,
nor can it be part of a CDS disk group. CDS disk also contains a set of AIX
Coexistence Labels, HP-UX Coexistence Labels/VxVM ID Blocks, and Platform
Blocks.
CDS disk group A VxVM disk group whose contents and attributes are such that the disk group
can be used to provide CDS. In contrast, a non-CDS disk group (that is, a back-rev
disk group or a current-rev disk group) cannot be used for CDS. A CDS disk group
is a current-rev disk group with the CDS attribute set for the disk group. A CDS
disk group can only contain CDS disks.
CFS Cluster file system. A VxFS file system mounted on a selected volume in cluster
(shared) mode.
Object Objects that belong to an object group.
host machines A set of host machines (nodes) that shares a set of disks.
cluster file system See CFS.
current-rev disk group A disk group created using a version of VxVM providing CDS functionality;
however, the CDS attribute is not set. If the CDS attribute is set for the disk group,
the disk group is called a CDS disk group.
data change object See DCO.
DCO (Data Change
Object)
A VxVM object that is used to manage information about the FastResync maps in
the DCO volume. Both a DCO object and a DCO volume must be associated with a
volume to implement Persistent FastResync on that volume.
Glossary