Dell Brocade 5100 Brocade 7.4.0 Fabric OS Software Upgrade Guide - Page 20

Passwordless firmware download, Staging the firmware download

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Passwordless firmware download During the firmware upgrade, the configuration file uploaded from firmware versions Fabric OS 7.2.x and Fabric OS 7.3.x is allowed to download to Fabric OS v7.4.0. During the firmware downgrade, the configuration file uploaded from v7.4.0 is allowed to download to previous firmware versions Fabric OS 7.2.x and Fabric OS 7.3.x. For details on Administrative Domains and the firmware download process, refer to the Managing Administrative Domains chapter in the Fabric OS Administrator's Guide for more information. For details about testing and restoring firmware, refer to Testing and restoring firmware on Backbones on page 34. Passwordless firmware download You can download firmware without a password using the sshutil command for public key authentication when SSH is selected. The switch must be configured to install the private key, and then you must export the public key to the remote host. Before running the firmwareDownload command, you must first configure the SSH protocol to permit passwordless logins for outgoing authentication as described in the Configuring outgoing SSH authentication section in the Fabric OS Administrator's Guide. Staging the firmware download The firmware that has been downloaded to the secondary partition using the firmwareDownload -r command can be activated later using the firmwareActivate command. You can also download the firmware with local mode (current CP) using the firmwareDownload -lr command and activate it later using the firmwareActivate -l command. After the firmware is downloaded, it is incomplete until the new firmware is activated. Perform any configuration changes before activating the new firmware. If the switch reboots or panics, the firmware does not get affected as it is downloaded to the secondary partition. The firmwareRestore or firmwareCommit does not start until the firmware is activated. The firmwareActivate command can be used in both single-CP and dual-CP environments. 1. Download the firmware with any of the previously mentioned options. 2. Enter the firmwareShow command to know the status of the download. sw0:FID128:admin> firmwareshow Slot Name Appl Primary/Secondary Versions Status 4 CP0 FOS v7.4.0 ACTIVE * v7.4.0 5 CP1 FOS v7.4.0 STANDBY v7.4.0 * Local CP Firmware download completed. Please activate using firmwareactivate. 3. Activate the firmware using the firmwareActivate command. sw0:FID128:admin>firmwareactivate This command will activate the firmware on the secondary partition but will require that existing telnet, secure telnet or SSH sessions to be restarted. Do you want to continue (Y/N) [Y]: 20 Fabric OS Upgrade Guide 53-1003515-01

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During the firmware upgrade, the configuration file uploaded from firmware versions Fabric OS 7.2.x
and Fabric OS 7.3.x is allowed to download to Fabric OS v7.4.0.
During the firmware downgrade, the configuration file uploaded from v7.4.0 is allowed to download to
previous firmware versions Fabric OS 7.2.x and Fabric OS 7.3.x.
For details on Administrative Domains and the firmware download process, refer to the
Managing
Administrative Domains
chapter in the
Fabric OS Administrator's Guide
for more information.
For details about testing and restoring firmware, refer to
Testing and restoring firmware on Backbones
on page 34.
Passwordless firmware download
You can download firmware without a password using the
sshutil
command for public key
authentication when SSH is selected. The switch must be configured to install the private key, and
then you must export the public key to the remote host. Before running the
firmwareDownload
command, you must first configure the SSH protocol to permit passwordless logins for outgoing
authentication as described in the
Configuring outgoing SSH authentication
section in the
Fabric OS
Administrator's Guide
.
Staging the firmware download
The firmware that has been downloaded to the secondary partition using the
firmwareDownload –r
command can be activated later using the
firmwareActivate
command. You can also download the
firmware with local mode (current CP) using the
firmwareDownload –lr
command and activate it later
using the
firmwareActivate –l
command. After the firmware is downloaded, it is incomplete until the
new firmware is activated. Perform any configuration changes before activating the new firmware. If
the switch reboots or panics, the firmware does not get affected as it is downloaded to the secondary
partition. The
firmwareRestore
or
firmwareCommit
does not start until the firmware is activated. The
firmwareActivate
command can be used in both single-CP and dual-CP environments.
1.
Download the firmware with any of the previously mentioned options.
2.
Enter the
firmwareShow
command to know the status of the download.
sw0:FID128:admin> firmwareshow
Slot Name
Appl
Primary/Secondary Versions
Status
--------------------------------------------------------------------------
4
CP0
FOS
v7.4.0
ACTIVE *
v7.4.0
5
CP1
FOS
v7.4.0
STANDBY
v7.4.0
*
Local CP
Firmware download completed. Please activate using firmwareactivate.
3.
Activate the firmware using the
firmwareActivate
command.
sw0:FID128:admin>firmwareactivate
This command will activate the firmware on the secondary partition
but will require that existing telnet, secure telnet or SSH sessions to be
restarted.
Do you want to continue (Y/N) [Y]:
Passwordless firmware download
20
Fabric OS Upgrade Guide
53-1003515-01