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Booting and Shutting Down Oracle Solaris
Boot Sequence
In addition to controlling the power state of the host, you can also control how and when the OS
is booted.
When the host is powered on, it can be in one of these states:
■
Booted –
The OS is running in one of these levels:
■
3 –
The OS is running in multiuser mode with all resources enabled.
■
S –
The OS is running in singer-user mode, and some resources are not enabled.
■
At the OpenBoot prompt –
The OS is not running. You communicate with the OpenBoot
.
By default, the host automatically attempts to boot when the host is reset or powered on. The
host first seeks a local boot drive. If the host cannot boot from the drive, the host attempts to
boot from the network. See
“Boot the OS (Oracle ILOM)” on page 35
.
These steps describe the high-level boot sequence:
1. A host reset is initiated.
2. OpenBoot runs and OpenBoot parameters are read.
These are the primary OpenBoot parameters and default values that determine how the
server boots (see
“View All OpenBoot Parameters” on page 46
■
diag-switch? false
■
auto-boot? true
■
boot-device disk net
3. A boot block is read from the boot device to locate a boot program.
4. The boot program loads the kernel into memory.
5. The kernel is executed and takes control.
You can configure booting parameters from the OS or at the
ok
prompt. You can also affect the
boot behavior through Oracle ILOM.
Note -
Each logical domain provides a virtualized form of OpenBoot commands.
These resources provide more information about the boot process and how to configure booting
in Oracle Solaris:
■
Oracle Solaris 11 –
Booting and Shutting Down Oracle Solaris on SPARC Platforms
■
Oracle Solaris 10 –
System Administration Guide: Basic Administration
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SPARC and Netra SPARC S7-2 Series Servers Administration Guide • March 2017
Summary of Contents for Netra SPARC S7-2 Series
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