Installation & Operation Manual 232 Document # LTRT-92224
Mediant 8000
27.7.2 Linux OS Installation Requirements
The Mediant 8000 software supports four different mechanisms for Linux OS
(re)installation. The following table provides a summary of each available option, its
applicability and installation requirements. The options are listed in a descending
preference order.
Table
27-1: Linux OS Installation Requirements
OS Installation
Mechanism
Installation Summary Installation Requirements
OS re-installation via the
remote network
connection
The OS is re-installed from a local
copy of the OS installation image that
was created during the initial OS
installation on the SC board and is
stored on a hidden partition. The
network configuration is preserved and
the installation may be performed from
the remote network connection (via
SSH) – i.e. without the need for an
RS-232 serial console.
The SC board must be able to
boot the currently installed
version of the Linux OS (even if
partially broken or compromised)
and a hidden partition that holds
a local copy of installation image
must be undamaged.
Network connection to the SC
board (via SSH) is required.
OS re-installation via the
RS-232 console
The OS is re-installed from a local
copy of the OS installation image that
was created during the initial OS
installation on theSC board and is
stored on a hidden partition.
The RS-232 serial console is used to
perform re-installation.
The SC board's bootloader and
a hidden partition that holds a
local copy of installation image
must be undamaged. Note that
the currently installed version of
the Linux OS may be damaged
to the extent that the SC board is
unable to boot.
The RS-232 serial connection to
the SC board is required.
OS installation from the
USB Flash Drive via the
RS-232 console.
The OS is installed from the USB
Flash Drive that must be connected to
the USB port on the SC board's front
panel and must contain a bootable
copy of "Linux OS for SC boards"
installation image.
Installation is performed via the RS-
232 serial console.
No requirements for any data
preserved on the local drive– it
may be completely wiped out.
1GB or bigger USB flash drive is
required (should be provided by
the customer). A bootable copy
of "Linux OS for SC boards"
installation image must be
created on the USB flash drive
as described below.
An RS-232 serial connection to
the SC board is required.
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