8
Boot Management
Boot Management includes the tasks needed to ensure the system is operating according to
the users requirements as it starts up. Requirements met by properly managing system boot
include defining management access IP, specifying the load to boot and specifying a system
name. The user may set this information manually or configure the operational environment
to provide it.
Boot management consists of tasks working with the following:
•
Boot Loaders—The user needs to perform file management tasks to ensure that the
software used to boot the system is compatible with the application system software
itself. This typically includes verifying boot loader and application system software version
for compatibility and placing the correct boot loader software in the correct location.
•
Boot Parameters—The user sets boot parameters to specify their requirements for boot,
including defining management access IP, specifying the load to boot and specifying a
system name.
•
Boot Flags—The user can, optionally, set special boot parameters called boot flags to
further define how the system boots. The user may also set boot flags for diagnostic
purposes under the guidance of Oracle support personnel.
Boot Loader Overview
Boot loader software loads the application to run on a platform. As such, boot loader software
must be correct before system startup. Oracle Communications Session Delivery product
distributions include and install the correct boot loader during application installation, meaning
you need not consider boot loader version during first installation procedures. Application
software upgrades do not update boot loaders. For this reason, you need to verify this
compatibility manually. The following topics provide information about identifying the need
and performing the updates.
Stage3 Boot Loader
Every new software release includes a system software image and a Stage3 boot loader.
Oracle recommends you update this boot loader with every software upgrade, as described
in the Software Upgrade section. Be sure to perform this update before booting the new
system image.
The Stage3 boot loader is generally backward compatible with previous releases, but Oracle
recommends that the Stage3 boot loader be installed from the same Major.Minor version as
the system image. It is not normally necessary to update the boot loader when installing a
maintenance or patch release when the Major.Minor release is the same.
For example, the same nnSCZ720.boot can be used with S-CZ720, S-CZ720m1, and so forth
system software. But it should be upgraded when installing S-CZ730 system software to
match that Major.Minor release.
The boot loader file name corresponds to the software image filename. For example, if the
software image filename is nnECZ720.64.bz, the corresponding Stage3 boot loader filename
is nnECZ720.boot. The Stage3 boot loader is compatible with previous releases.
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