AdvancedCopy Manager can back up or replicate volumes under the control of VxVM (referred to as VxVM volumes in this document) in the following units:
Physical disk that constitutes a volume group
For details on backup of a subordinate volume of VxVM, refer to the section titled "4.9 VxVM Volume Operation". For details on replication of a subordinate volume of VxVM, refer to the section titled "7.9 VxVM Volume Operation."
Note
New device names are supported from HP-UX 11i v3. Refer to 1.5.1 Normal devices" for details. Physical disks that comprise VxVM can use only conventional format devices (/dev/(r)dsk/c#t#d#) and they cannot use new format devices (/dev/(r)disk/disk#). Therefore, if VxVM is used, the AdvancedCopy Manager information collection mode must be set to conventional format devices. Refer to stgxfwcmsetmode (Information collection mode setting command) for details of information collection modes.
The physical disks that comprise ordinary devices and LVMs and the physical disks that comprise VxVM must be set as devices with the same format as the AdvancedCopy Manager information collection mode.
For example, If the AdvancedCopy Manager information collection mode is "Conventional format device", the physical disks that comprise ordinary devices and LVMs and the physical disks that comprise VxVM must all be conventional format devices.
Disks that are larger than 2TB cannot be used with AdvancedCopy Manager. Therefore, operate AdvancedCopy Manager with disks that are less than 2TB.
The VM disks (physical disks) on which a sub-disk used by a logical volume exists are used as the management units.
Figure 1.7 Example of VxVM configuration
Since AdvancedCopy Manager copies an entire VM disk, not only the shared area that is a sub-disk but also the public region containing VxVM-internal configuration information is copied.
When backup or replication is performed, therefore, the integrity of VxVM configuration information must be maintained during copying.
Specify a device name as follows:
/dev/vx/dmp/c#t#d#
Note
Operations are not supported under naming convention operations based on enclosures in VxVM.
Note
For operation in a cluster configuration, the device name of the physical disks that comprise the volume group must be the same at all servers that comprise the cluster, and the ETERNUS disk indicated by the device name must be the same.
