Spooler Programmer's Guide

Introduction to the Spooler Subsystem

Spooler Programmer’s Guide—522287-002

1-19

Device States

At any particular time, each device in the spooler subsystem is in one of several states,

as shown in Figure 1-5.

Figure 1-5. Device States

OFFLINE SUSPENDED PROCERROR

DEVERRROR

DEV

SUSPEND

DEV

DRAIN

BUSY

WAITING

DEV START

(if spooler is ACTIVE,

WARM, or COLD)

—or—

SPOOLER START

(if spooler is WARM or COLD)

Declare and

specify attributes

Spooler sends

spooled job to

device

Supervisor

declares

an error

Guardian

file-system

error

VST006.vsd

You can set

and modify attributes