Effects Of Firmware Changes On Accounts And Passwords; Considerations For Ficon Cup Environments - HP AE370A - Brocade 4Gb SAN Switch 4/12 Administrator's Manual

Effects of firmware changes on accounts and passwords

The following table describes what happens to accounts and passwords when you replace the switch
firmware with a different version.
Table 43 Effects of firmware changes on accounts and passwords
Change
Upgrading
Downgrading
Upgrading to
v3.2.0
For more details on administrative domains and firmware download, see
domains" on page 127. For more details on older releases of Fabric OS, refer to
page 41 1.
Also, for details about downgrading and restoring firmware, refer to
Directors" on page 161.

Considerations for FICON CUP environments

To prevent channel errors during nondisruptive firmware installation, the switch CUP port must be taken
offline from all host systems.
Preparing for a firmware download
Before executing a firmware download, it is recommended that you perform the tasks mentioned in this
section. In the unlikely event of a failure or time-out, the preparation tasks that are described in this section
will enable you to provide HP Technical Support all the information required to perform advanced
troubleshooting.
To provide specific information about why a firmware downgrade might fail, starting in Fabric OS 5.2.x,
the following exception cases are checked. If you're attempting to downgrade to Fabric OS 5.1.x or lower
150 Installing and maintaining firmware
First time
Default accounts and their passwords
are preserved.
User-defined accounts are no longer
valid. Default accounts and their
passwords are preserved. If a default
account was disabled, it is
re-enabled after the downgrade.
(You might upgrade a switch in the fabric as part of
switches" on page 152.) Earlier versions allowed you to change the default
account names. You cannot add user-defined accounts until you change the
names back to default with the passwdDefault command.
Subsequent times
(after upgrade, then
downgrade, then upgrade)
User-defined and default accounts
and their passwords are preserved.
User-defined and default accounts
and their passwords are preserved,
including accounts added after the
first upgrade.
"Checking connected
"Managing administrative
"Using Remote
"Testing and restoring firmware-on
Switch" on