XRC volume descriptions

Table 1 describes the volume types.

Table 1. XRC volume descriptions
Volume type . . .	Description . . .
Primary	The source volume that XRC copies to a remote location. This is the volume to which application programs direct their updates.
Secondary	The target volume that receives the updates that are made to the primary volume. See Establishing XRC secondary volumes for more information.
Source	Another name for the primary volume.
Target	Another name for the secondary volume.
Active	A primary volume in an XRC session that receives data that is also copied to a remote location. The status of an active volume can be DUPLEX, SEQCHECK, COPY, or PENDING.
Suspended	An established primary volume in an XRC session whose data XRC is no longer copying to a remote location. The volume remains in the XRC session. See XSUSPEND–Suspending volumes or sessions for more information.
Utility	A primary XRC volume that is available to the system data mover for reading data from a storage control. For more information about utility volumes, see Using XRC utility devices.
XRC	An established primary and secondary volume that is identified by the XADDPAIR command. The status of a volume pair can be COPY, DUPLEX, PENDING SEQCHECK, or SUSPENDED. You have the option to copy an XRC volume pair to a remote location.