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Managing Services and Faults in Oracle Solaris 11.1     Oracle Solaris 11.1 Information Library
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Document Information


1.  Managing Services (Overview)

About SMF in this Release

Introduction to SMF

Advantages to Using SMF

SMF Concepts

SMF Service

SMF Dependencies

Service Identifiers

Service States

SMF Manifests

SMF Profiles

Service Configuration Repository

SMF Administrative Layers

SMF Repository Backups

SMF Snapshots

SMF Service Error Logging

SMF Administrative and Programming Interfaces

SMF Command-Line Administrative Utilities

Service Management Configuration Library Interfaces

SMF Components

SMF Master Restarter Daemon

SMF Delegated Restarters

SMF Properties and Property Groups

Managing Information in the Service Configuration Repository

Viewing SMF Information

Modifying SMF Information

Deleting SMF Information

SMF and Booting

SMF Compatibility

Run Levels

When to Use Run Levels or Milestones

Determining a System's Run Level

/etc/inittab File

What Happens When the System Is Brought to Run Level 3

2.  Managing Services (Tasks)

3.  Using the Fault Manager


/etc/inittab File

When you boot the system or change run levels with the init or shutdown command, the init daemon starts processes by reading information from the /etc/inittab file. This file defines these important items for the init process:

Each entry in the /etc/inittab file has the following fields:


The following table describes the fields in an inittab entry.

Table 1-4 Fields Descriptions for the inittab File

Is a unique identifier for the entry.
Lists the run levels to which this entry applies.
Identifies how the process that is specified in the process field is to be run. Possible values include: sysinit, boot, bootwait, wait, and respawn.

For a description of the other action keywords, see inittab(4).

Defines the command or script to execute.

Example 1-2 Default inittab File

The following example shows a default inittab file that is installed with the release. A description for each line of output in this example follows.

ap::sysinit:/usr/sbin/autopush -f /etc/iu.ap  (1)
smf::sysinit:/lib/svc/bin/svc.startd    >/dev/msglog 2<>/dev/msglog </dev/console      (2)
p3:s1234:powerfail:/usr/sbin/shutdown -y -i5 -g0 >/dev/msglog 2<>/dev/...(3)
  1. Initializes STREAMS modules

  2. Initializes the master restarter for SMF

  3. Describes a power fail shutdown

What Happens When the System Is Brought to Run Level 3

  1. The init process is started and reads the properties that are defined in the svc:/system/environment:init SMF service to set any environment variables.

  2. The init process reads the inittab file and does the following:

    1. Executes any process entries that have sysinit in the action field so that any special initializations can take place before users login

    2. Passes the startup activities to svc.startd

    For a detailed description of how the init process uses the inittab file, see the init(1M) man page.