HP StorageWorks 2/16 - SAN Switch Manual page 190

Fabric OS reference guide
Description
Use this command to change the password for users.
When used with the optional login_name operand, the command prompts the user to
change the password only for that user. Otherwise, the command prompts the user to change
passwords for the current user.
In either case, the user is first prompted for the old password. If the password entered matches
the current password, the user is then prompted twice for the new password. The new
password has to be different from the current password.
If the two copies do not match, the process is repeated at most two more times until the
command fails for that user.
Passwords must be constructed to meet the following requirements:
Special Inputs
This command has the following special inputs:
Carriage return
Interrupt
End-of-file
Note:
Operand
The following operand is optional:
login_name
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Each password must contain 8 to 40 characters.
If the switch fabric is in secure mode, the command can run only on the primary switch.
The changed password database is distributed to all FCS switches. Non-FCS switches are
updated if the password of the user account is changed.
The command is disabled until the user has changed all login passwords from the
manufacturer's defaults or the switch was in secure mode before.
If a user is authenticated by RADIUS and invokes this command, the password of the
account to which the user's role is mapped is changed. For example, if user Bob's login
role is mapped to admin, when Bob executes the passwd command, he changes the
password of the admin account on the switch, provided Bob knows the old password for
the admin account. The RADIUS account does not change.
When entered alone at a prompt without any preceding
input, accepts the default value (if applicable) and moves to
the next prompt.
Aborts the command immediately and ignores all changes
made.
When entered alone at a prompt without any preceding
input, terminates the command, saving any changes made.
It is no longer possible to change a login name.
The name of the user, in quotes, for which the login name and
password are to be changed.
Fabric OS 3.x Document Addendum