HP OpenVMS I/O User’s Reference Manual: OpenVMS Version 8.4 > Chapter 2 Disk Drivers

2.2 Disk Driver Device Information

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You can obtain information on all disk device characteristics by using the Get Device/Volume Information ($GETDVI) system service (see the HP OpenVMS System Services Reference Manual).

$GETDVI returns disk characteristics when you specify the item codes DVI$_DEVCHAR and DVI$_DEVCHAR2.

See the Help files for disk device characteristics.



2.1 Driver Features
  		 


2.3 Disk Function Codes