Document revision date: 28 June 1999

Contents

Preface
Preface	Preface
Chapter 1
1	ACP--QIO Interface
1.1	ACP Functions and Encoding
1.2	File Information Block (FIB)
1.3	ACP Subfunctions
1.3.1	Directory Lookup
1.3.1.1	Input Parameters
1.3.1.2	Operation
1.3.1.3	Directory Entry Protection
1.3.2	Access
1.3.2.1	Input Parameters
1.3.2.2	Operation
1.3.3	Extend
1.3.3.1	Input Parameters
1.3.3.2	Operation
1.3.4	Truncate
1.3.4.1	Input Parameters
1.3.4.2	Operation
1.3.5	Read/Write Attributes
1.3.5.1	Input Parameters
1.4	ACP-QIO Record Attributes Area
1.5	ACP--QIO Attributes Statistics Block
1.6	Major Functions
1.6.1	Create File
1.6.1.1	Input Parameters
1.6.1.2	Disk ACP Operation
1.6.1.3	Directory Entry Creation
1.6.1.4	Magnetic Tape ACP Operation
1.6.2	Access File
1.6.2.1	Input Parameters
1.6.2.2	Operation
1.6.3	Deaccess File
1.6.3.1	Input Parameters
1.6.3.2	Operation
1.6.4	Modify File
1.6.4.1	Input Parameters
1.6.4.2	Operation
1.6.5	Delete File
1.6.5.1	Operation
1.6.6	Movefile Subfunction
1.6.6.1	Calling the Movefile Subfunction
1.6.6.2	Input Parameters
1.6.6.3	Operation
1.6.7	Mount
1.6.8	ACP Control
1.6.8.1	Input Parameters
1.6.8.2	Magnetic Tape Control Functions
1.6.8.3	Miscellaneous Disk Control Functions
1.6.8.4	Disk Quotas
1.7	I/O Status Block
Chapter 2
2	Disk Drivers
2.1	Supported Disk Devices and Controllers
2.1.1	UDA50 UNIBUS Disk Adapter
2.1.2	KDA50 Disk Controller
2.1.3	KDB50 Disk Controller
2.1.4	HSC40, HSC50, and HSC70 Controllers
2.1.5	SII Integral Adapter
2.1.6	KFQSA Adapter
2.1.7	RQDX3 Disk Controller
2.1.8	RA70 and RA90 Disk Drives
2.1.9	RA60 Disk
2.1.10	RA80/RB80/RM80 and RA81 Fixed-Media Disks
2.1.11	RB02 and RL02 Cartridge Disk (VAX Only)
2.1.12	RC25 Disk (VAX Only)
2.1.13	RD53 and RD54 Disks (VAX Only)
2.1.14	RF30 and RF71 Disks
2.1.15	RK06 and RK07 Cartridge Disks (VAX Only)
2.1.16	RM03 and RM05 Pack Disks (VAX Only)
2.1.17	RP05 and RP06 Disk (VAX Only)
2.1.18	RP07 Fixed-Media Disk (VAX Only)
2.1.19	RRD40 and RRD50 Read-Only Memory (CD-ROM)
2.1.20	RX01 Console Disk (VAX Only)
2.1.21	RX02 Disk (VAX Only)
2.1.22	RX23 (VAX Only)
2.1.23	RX33 (VAX Only)
2.1.24	RX50 (VAX Only)
2.1.25	RZ22, RZ23, and RZ55 Disks
2.1.26	TU58 Magnetic Tape (DECtape II)
2.2	Driver Features
2.2.1	Dual-Pathed Disks
2.2.2	Dual Porting MASSBUS Disks
2.2.2.1	Port Selection and Access Modes
2.2.2.2	Disk Use and Restrictions
2.2.2.3	Restriction on Dual-Ported Non-DSA Disks in a Cluster
2.2.3	Dual-Pathed DSA Disks
2.2.4	Dual-Porting HSC Disks
2.2.5	Dual-Pathed RF-Series Disks
2.2.6	Data Check
2.2.7	Effects of a Failure During an I/O Write Operation
2.2.8	Overlapped Seeks
2.2.9	Error Recovery
2.2.9.1	Skip Sectoring
2.2.10	Logical-to-Physical Translation (RX01 and RX02)
2.2.11	DIGITAL Storage Architecture (DSA) Devices
2.2.11.1	Bad Block Replacement and Forced Errors for DSA Disks
2.2.12	VAXstation 2000 and MicroVAX 2000 Disk Driver
2.2.13	SCSI Disk Class Driver
2.2.14	Audio Extensions to the SCSI Disk Class Driver
2.2.14.1	$QIO Interface to Audio Functionality of the SCSI Disk Class Driver
2.2.14.2	Defining an Audio Control Block (AUCB)
2.2.14.3	Error Handling in Applications Using SCSI Audio Functions
2.2.14.4	Using CD-ROM to Store Both Data and Audio Information
2.2.14.5	Programming Audio Applications
2.2.14.6	Application Program Example Using SCSI Audio Capabilities (VAX only)
2.3	Disk Driver Device Information
2.4	Disk Function Codes
2.4.1	Read
2.4.2	Write
2.4.3	Sense Mode
2.4.4	Set Density
2.4.5	Search
2.4.6	Pack Acknowledge
2.4.7	Unload
2.4.8	Available
2.4.9	Seek
2.4.10	Write Check
2.4.11	Set Preferred Path
2.4.11.1	Forcing a Path Change
2.4.11.2	Using IO$_SETPRFPATH with Disks Dual-Pathed Between HSCs
2.4.11.3	Using IO$_SETPRFPATH with Disks Dual-Pathed Between Systems
2.4.11.4	Using IO$_SETPRFPATH with Disks Accessed Through MSCP Servers
2.4.11.5	Using IO$_SETPRFPATH with Phase I Volume Shadowing
2.4.11.6	Using IO$_SETPRFPATH with Phase II Volume Shadowing
2.5	I/O Status Block
2.6	Disk Driver Programming Example

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