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530 Glossary
A virtual disk, representing an addressable range of disk blocks used by applications such
as file systems or databases. A volume is a collection of from one to 32 plexes.
volume configuration device
The volume configuration device (/dev/vx/config) is the interface through which all
configuration changes to the volume device driver are performed.
volume device driver
The driver that forms the virtual disk drive between the application and the physical
device driver level. The volume device driver is accessed through a virtual disk device node
whose character device nodes appear in
/dev/vx/rdsk, and whose block device nodes
appear in
/dev/vx/dsk.
volume event log
The device interface (/dev/vx/event) through which volume driver events are reported
to utilities.
vxconfigd
The VxVM configuration daemon, which is responsible for making changes to the VxVM
configuration. This daemon must be running before VxVM operations can be performed.