Honeywell MSU0402, MSU0451 User Manual

HONEYlVELL .

I LARGE SYSTEMS

MSU0402/0451 MASS

STORAGE

OPERATION

UNITS

HARDWARE

Large System.s

MSU0402/MSU0451 Mass

SUBJECT

General MSU0402/MSU0451 Mass Storage

SPECIAL INSTRUCTIONS

This AT71-02A, dated December 1980, ual

The Communications Commission's (FCC) regulations.

Warning: energy manual, permitted Class A computing devices which ference. Operation interference

whatever

Storage

Description, Operation,

edition supersedes AT71-02,

has

been extensively revised; therefore,

following notice is provided

This

equipment

and

if

not

may

cause interference to radio communications. As

by

regulation

are

designed to provide reasonable protection

in

which case

measures

Units

generates,

installed

it

has

pursuant

of

this

equipment

the

may

be

required

and

not

user

Operation

and

Maintenance

Units

dated

and

in

accordance

used

been

at

to correct

and

their

October 1977,

AT71-02B,

change

with

the

uses,

and

can

in

accordance

tested

to

Subpart J of

in a residential

his

own expense will be

for compliance

the

interference.

Procedures for

Mass Storage Processors

and

its

dated

July

indicators

United

radiate

Part

area

radio frequency

with

the

15

against

is

required

the

addenda,

1982.

States

with

of

likely

This

are

not

Federal

instructions temporarily

limits

FCC Rules,

such

to cause

to

used.

for

inter-

take

man-

ORDER

AT71-03

NUMBER

October 1982

Honeywell

About

This material others

This Manual

reference

concerned

for

the

document

user

of

the

with

their

provides

MSU0402/MSU0451 Mass

technical aspects, application,

hardware-oriented

descriptive

Storage

or

Units

use.

and

instructive

and

for

Divided description

into

three

of

the

sections

hardware

and

used

an

appendix,

in

the specifications, capabilities, features, operator-accessible control operating tenance

procedures necessary to

procedures (Section 3);

panel

and

switches

enable

appendix.

this

manual

contains a general

subsystem, including performance

and

options (Section 1); a description

and

indicators (Section

mass

storage

personnel to

operate

processor

the

information

2);

the

units

of

and

in

the

main-

Honeywell ular agreement

In

damages. without

purpose

no

event

disclaims

with

is

The

notice.

the

and

makes

and

for

Honeywell

information

its

implied

no

express

customer.

liable

and

Systems

warranties

to

anyone

specifications

Inc., 1982

of

merchantability

except

for

any

indirect,

in

this

document

as

may

special

File No.:

and

be

are

fitness

stated

or

consequential

subject

1L03, 1P03

for a partic-

in

its

written

to

change

AT71-03

Contents

Section

Data Improved Options

1.

Introduction

Integrity

System

.................................................

Characteristics. Disk

File

Format

Intermixing

Section Section

Power-Up Power-Down

....................

2.

Controls

3.

Operating

Sequence.

Sequence

Initialization

Disk

Appendix.

Components. Mass Controls

Pack

Disk

Pack

Unit

Select

Disk

Pack

General

Storage

Loading.. Unloading.

Plug

Handling

Cleaning.

Mass

. . .

Subsystem

and

Indicators.

and

Protection

Availability.

.........

0 • 0 • • • • • • • • • • • • • • • • • • • • •

••

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

0.....

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Consideration

and

Indicators

Procedures

. . . . . .

...................

..................................................

. . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Swapping

and

Storage

. . . . . .

Storage

.. ..

. . . .

..

....

Processors

Configurations.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

.....................

0 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 1-3

.. . ...

..

. .

..

. . . . . .

..

. . . . . . .

.. ..

,

,.

...... . ... . ..

..

. . . . . . . . . .

. . . .

.....................................

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . .

. . . .

..

. . . . . .

..

. . . . . .

. . . . . . . . . .

0 • • • • • • • • • • • 1-2

..

. . . . . . . .

..

.......

..

. . . . . . . .

..

. . . . . . . . . .

..

. . . . . . . . . . .

.. ..

. . . . . . . .

..

...

..

.. ..

..

.. .. ..

1-1

1-2

3-1 3-1 3-2 3-2 3-3

3-3 3-4 3-4

A-I A-5 A-8

Figures

2-1 MSU0402/0451 Control

A-I A-2 A-3

Mass Integrated

Storage

Mass

Freestanding

Processor

Storage

Mass

Storage

Panel.

Components.

Processor Control

iii AT71-03

. . . . . .

.. ..

. . . . .

. .

..

Panel.

Processor Control

. . . . . . . . . .

..

. . . . . . . . . . .

. . . . . . . .

Panel.

..

. . . . .

.. .. .. ..

2-2

A-2 A-8 A-8

Tables

1-1 3-1 A-I A -2 A-3 A-4 A-5

A-6 A-7 A-8 A-9 Mass

Mass Preventive Mass

Mass

MSP0602/0603

MSP0605 Mass

MSP0604/0607/8000/8001 Mass

Configurations. MSP0609 Mass MSP0611 Mass MSP0612 Mass

Storage

Maintenance. Storage Storage

Storage

Unit

Characteristics

. .

..

Processors for MSU0402/0451 . . . . . . . . . . . . .

Processor Options . . . . . . . . . . . . . . . . . . . . . . . . .

Mass

Processor Controls

Storage

.. Storage Storage Storage

Processor

. . . . . . . . . . . . .

Processor Processor Processor

........................

. . . . . .

..

. . . . . . . . . . . . . . . . . . .

Configurations.

Storage

Configurations. Configurations. Configurations.

and

Processor

..

. . . .

Indicators.

..

. . . . . .

. . .

. . . . . . .

.. . ..

. . . . . . . .

. . . . . . . . .

..

...

.. ..

...

.. .. .. ..

..

1-3 3-4

A-2 A-3 A-5

A-6

A-6 A-7 A-7 A-7 A-8

iv

AT71-03

Section 1

Introduction

Data

The MSU0402IMSU0451 Mass Storage

with

systems improve response and

operation to

MSU0451. to

any

Large System.

freestanding mass storage processors (described

Integrity

The

integrity

• Write protect capability- Individual write-protect

unit

• Automatic unloading - Heads

such

• Power fault sensing -

take

advanced microprogrammed control

time

and

throughput.

the

Up

to 32

and

excludes

as

low

rotational

place.

MSU0451

of

these

The

and

protection

the

possibility

If

disk

of

speed

an

ac

and

units

Protection

data

of

automatically

or

Units

are

high-capacity

and

The

MSU0402 is

may

be field-upgraded (see Options) to

per

mass

storage processor

are

controlled by physically

in

Appendix A).

is

ensured

recording on protected files.

loss

of

dc power

power,

fault

by

the

unload

are

has

detected.

disk

storage

operating

identical

following features:

push

button

when

occurred, recording

features

in

appearance

can

be connected

integrated

for

each

specific conditions,

sub-

that

an

or

disk

cannot

Introduction

• Write current monitoring -

command

• Check code

insertion

• Parity checking -

even

• Temperature sensing -

are

displayed

• Head offset -

• Nolmultihead select-

which will produce a

and

of

parity

loss is detected

insertion-

characters

is detected, a

and

Heads

The

device monitors command

an

audible

may

The

fault

of

Temperatures

Write

current

during a write

validity

check information

fault

be offset

device checks for no/multiheads

condition.

of

is set.

alarm

by

1-1 AT71-03

is

inhibited

command.

recorded information is

C~check

greater

sounded.

command to facilitate

than

during

code")

and

data

equipment

seeks

ensured

in

each

lines

for odd

specifications

data

recovery.

being

selected,

or

without

by

record.

parity;

the

if

Improved

An

enhanced repair status nosis

and reporting

of

the

Options

• MSF0006 - Dual access capability

• MSF0007 - Rotational position sensing (required)

System

diagnostic

the

total

to

electronics.

offline

the

central

ability

Availability

reduces

repair

processor

time

both

spent

system

on

the

unit

allows software-controlled diag-

time

itself.

required

Online

for online

error

and

• MSK4025 - Upgrade

Characteristics

Table 1-1

The

•

Height-

•

Width-

•

Depth-

• Weight - 680 lb (309 kg)

The stored, tion, sult

lists

the

operational

physical characteristics are:

39.2 in. (99.7 cm)

22.0 in. (55.9cm)

44.5 in. (113.0 cm)

Honeywell M4451 disk pack (or

and

refer

your

Honeywell

inserted

to

the

as

the

Honeywell Computer Supplies Catalog,

Marketing

kit

for MSU0402 to MSU0451

characteristics

equivalent)

need

arises.

Representative.

For

of

supplies

both

devices.

can be removed from

and

accessories

Order

order

No. BY62, or con-

the

unit,

informa-

Disk

Introduction

File

Physically, formats for labels, T&Ds, disk M4451 MSU0451.

Format

the

MSU0402

pack

files cannot be

disk

pack

used

on

Consideration

and

MSU0451

and

alternate

interchanged

the

MSU0402

1-2

disk

packs

track

locations

between

requires

are

the

MSU0402

reformatting

the

same.

different, therefore,

The

and

MSU0451.

prior

logical file

to use on a

The

AT71-03

Table 1-1. Mass Storage U

nit

Characteristics

Data

capacity.

millions 9-bit bytes) Transfer

thousands Bit

density

Track

density

A verage access

Minimum

verage

A

Maximum

A verage

Simultaneity

Disks

per

Recording surfaces

Formatted

rate

(thousands

9-bit bytes

(bpi)

(tpi)

time

seek

time

seek

latency

pack

time

per

(ms)

per

6-bit s)

(ms)

pack

(millions 6-bit

characters

characters!

per

sf

MSU0402 MSU0451

on

235/156

4040 384

38.3

on one

can

the

same

unit,

be performed

mass

117178

1074/716 10741716

4040

384

33.3

8.0 8.0

25.0 30.0

45.0 55.0

8.3 8.3 During

data

transfer taneous seek operation on all

other

units

storage processor. 12 12 19 19

a simul-

Tracks

per

recording surface

(spares included) Spindle speed (rpm) Disk pack

used

(or equivalent)

Intermixing

Mass

storage

allow

MSU0400 rnixed on and

MSU0402

The

advantages

•

Eases or two

processors for

and

the

mass storage processors. (See Tables

units

of

conversion to MSU0451.

at

a time, minimizing

MSU0451

cannot

this

capability

all

Large

units

be

intermixed.

are

Installation

system

Systems

or

MSU0402

as

follows:

disruption.

411 815

7 7

3600 3600

M4451 M4451

(Table A-I)

and

A-3

ofMSU0451s

have

MSU0451

through

can

been

A-B.) MSU0400

be

designed to

units

to

staggered,

be

inter-

one

Introduction

1-3

AT71-03

• Combines performance smaller

number

high-acti

the

lower price-per-character

advantage

vity

files.

of

files

(faster

on

the

advantage

access time)

MSU0400 also

of

the

results

of

the

MSU0451

MSU0400.

in

less

arm

with

Storing

contention

of

the

a

to

• Allows continued

use

of

previously capacity, less-expensive MSU0400 during

The MSU0451

new

program

MSU0402/0451

can

be

intermixed

can

and

file debugging.

also

be

with

purchased

disk

pack

intermixed

with

MSU0501. (See

disk

can

packs.

be

used

The

smaller-

as

removable

MSU0500. Additionally,

Tables

A-3

through

A-B.)

media

Introduction

1-4

AT71-03

Honeywell MSU0402, MSU0451 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual