268
Fabric OS Administrator’s Guide
53-1002745-02
Testing and restoring firmware on switches
9
Power-on firmware checksum test
FIPS requires the checksums of the executables and libraries on the filesystem to be validated
before Fabric OS modules are launched. This is to make sure these files have not been changed
after they are installed.
When firmware RPM packages are installed during firmware download, the MD5 checksums of the
firmware files are stored in the RPM database on the filesystem. The checksums go through all of
the files in the RPM database. Every file compares its current checksum with the checksum that is
in the RPM database. If they are different, the command displays an output message informing you
of the difference.
Because the validation may take up to a few minutes, it is not performed during a hot code load. It
is only performed after a cold reboot of the switch.
For more information on FIPS, refer to
Chapter 7, “Configuring Security Policies”
.
Testing and restoring firmware on switches
NOTE
This section does not apply to SAS or storage applications applied to the FA4-18 AP blade.
Typically, users downgrade firmware after briefly evaluating a newer (or older) version and then
restore the original version of the firmware. Testing a new version of firmware in this manner
ensures that you do not replace existing firmware because the evaluated version occupies only one
partition on the switch.
ATTENTION
When you evaluate new firmware, make sure you disable all features that are not supported by the
original firmware before restoring to the original version.
Testing a different firmware version on a switch
1. Verify that the FTP, SFTP, or SSH server is running on the host server and that you have a user
ID on that server.
2. Obtain the firmware file from the Brocade website at
http://www.brocade.com
or the switch
support provider and store the file on the FTP or SSH server.
3. Unpack the compressed files preserving directory structures.
The firmware is in the form of RPM packages with names defined in a
.plist file, that contains
specific firmware information and the names of packages of the firmware to be downloaded.
4. Connect to the switch and log in using an account with admin permissions.
5. Enter the firmwareShow command to view the current firmware.
6. Enter the firmwareDownload -s command to update the firmware, and respond to the prompts.
Example of a firmware download to a single partition
ecp:admin>
firmwareDownload -s
Type of Firmware (FOS, SAS, or any application) [FOS]:
Server Name or IP Address:
10.1.2.3
Network Protocol (1-auto-select, 2-FTP, 3-SCP, 4-SFTP) [1]:
Summary of Contents for Fabric OS 7.1.0
Page 1: ...53 1002745 02 25 March 2013 Fabric OS Administrator s Guide Supporting Fabric OS 7 1 0 ...
Page 24: ...24 Fabric OS Administrator s Guide 53 1002745 02 ...
Page 28: ...28 Fabric OS Administrator s Guide 53 1002745 02 ...
Page 32: ...32 Fabric OS Administrator s Guide 53 1002745 02 ...
Page 42: ...42 Fabric OS Administrator s Guide 53 1002745 02 ...
Page 132: ...132 Fabric OS Administrator s Guide 53 1002745 02 Frame Redirection 4 ...
Page 194: ...194 Fabric OS Administrator s Guide 53 1002745 02 Ports and applications used by switches 6 ...
Page 254: ...254 Fabric OS Administrator s Guide 53 1002745 02 Brocade configuration form 8 ...
Page 274: ...274 Fabric OS Administrator s Guide 53 1002745 02 Validating a firmware download 9 ...
Page 302: ...302 Fabric OS Administrator s Guide 53 1002745 02 Creating a logical fabric using XISLs 10 ...
Page 344: ...344 Fabric OS Administrator s Guide 53 1002745 02 Concurrent zone transactions 11 ...
Page 374: ...374 Fabric OS Administrator s Guide 53 1002745 02 Setting up TI over FCR sample procedure 12 ...
Page 462: ...462 Fabric OS Administrator s Guide 53 1002745 02 ...
Page 490: ...490 Fabric OS Administrator s Guide 53 1002745 02 Ports on Demand 18 ...
Page 498: ...498 Fabric OS Administrator s Guide 53 1002745 02 Supported topologies for ICL connections 19 ...
Page 626: ...626 Fabric OS Administrator s Guide 53 1002745 02 Preparing a switch for FIPS B ...
Page 630: ...630 Fabric OS Administrator s Guide 53 1002745 02 Hexadecimal Conversion C ...
Page 666: ...666 Fabric OS Administrator s Guide 53 1002745 02 ...