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262 Creating volumes
Accessing a volume
Accessing a volume
As soon as a volume has been created and initialized, it is available for use as a
virtual disk partition by the operating system for the creation of a file system, or
by application programs such as relational databases and other data
management software.
Creating a volume in a disk group sets up block and character (raw) device files
that can be used to access the volume:
/dev/vx/dsk/diskgroup/volume block device file for volume
/dev/vx/rdsk/diskgroup/volume character device file for volume
The pathnames include a directory named for the disk group. Use the
appropriate device node to create, mount and repair file systems, and to lay out
databases that require raw partitions.
Note: As the rootdg disk group no longer has special significance, VxVM only
creates volume device nodes for this disk group in the /dev/vx/dsk/rootdg
and /dev/vx/rdsk/rootdg directories. VxVM does not create device nodes in
the /dev/vx/dsk or /dev/vx/rdsk directories for the rootdg disk group.