Compaq 400338-001 Deploying HP KVM consoling solutions best practices - Page 16

Local KVM console operation, allows the user to view, con

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In Group Attribute mode, a user's accessibility to systems is determined by the group listing. For console switch queries, the directory checks for a group that contains both the user and the KVM switch. For server queries, the directory checks for a group that contains the user and the server or the user and the switch. Table 3 shows how the group listing affects the ability of the user. Table 3. User abilities in Group Attribute mode System configuration Group attribute Switch 1 providing KVM connection to Servers A, B, C KVM User Included in group list Switch 1 User A Same as above Same as above Same as above KVM User KVM Appliance Admin KVM Appliance Admin Switch 1 Server B User A User A Server A User A Switch 1 Ability of uer User A can view list of all servers in configuration but cannot access or view any server. User A can view list of all servers in configuration but can access only Server B. User A can access only Server A, not the switch. User A has full control of Switch 1 and can access all connected servers. Local KVM console operation The local (out-of-band) KVM console attaches directly to the console switch using either PS/2 and video cables or a USB adapter. The local KVM console uses the OSD application included in the console switch firmware. Generally, only an IT administrator has access to a local KVM console. Production and development servers can be locked so that remote access requires authorization. Since local KVM consoles work out-of-band from LANs, they are not affected by network issues such as network failures, security issues, denial-of-service events, or bandwidth problems (performance degradation from high traffic). Local KVM consoles use the OSD application that resides in the firmware of the console switch and therefore require no additional software. A user can easily access the OSD application from the local keyboard. The OSD main dialog box allows the user to view, configure, and control attached servers. The desired commands are executed using the mouse pointer, Tab, or Arrow keys and the Enter key. Four pre-defined, user-selectable keystrokes can be used to invoke the OSD. The user can set these keystrokes through the OSD menu. 16

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In Group Attribute mode, a user’s accessibility to systems is determined by the group listing. For
console switch queries, the directory checks for a group that contains both the user and the KVM
switch. For server queries, the directory checks for a group that contains the user and the server or the
user and the switch. Table 3 shows how the group listing affects the ability of the user.
Table 3.
User abilities in Group Attribute mode
System
configuration
Group attribute
Included in
group
list
Ability of uer
Switch 1 providing KVM
connection to Servers A, B, C
KVM User
Switch 1
User A
User A can view list of all servers in
configuration but cannot access or view any
server.
Same as above
KVM User
Switch 1
Server B
User A
User A can view list of all servers in
configuration but can access only Server B.
Same as above
KVM Appliance
Admin
User A
Server A
User A can access only Server A, not the
switch.
Same as above
KVM Appliance
Admin
User A
Switch 1
User A has full control of Switch 1 and can
access all connected servers.
Local KVM console operation
The local (out-of-band) KVM console attaches directly to the console switch using either PS/2 and
video cables or a USB adapter. The local KVM console uses the OSD application included in the
console switch firmware. Generally, only an IT administrator has access to a local KVM console.
Production and development servers can be locked so that remote access requires authorization.
Since local KVM consoles work out-of-band from LANs, they are not affected by network issues such
as network failures, security issues, denial-of-service events, or bandwidth problems (performance
degradation from high traffic). Local KVM consoles use the OSD application that resides in the
firmware of the console switch and therefore require no additional software.
A user can easily access the OSD application from the local keyboard. The OSD main dialog box
allows the user to view, configure, and control attached servers. The desired commands are executed
using the mouse pointer, Tab, or Arrow keys and the
Enter
key. Four pre-defined, user-selectable
keystrokes can be used to invoke the OSD. The user can set these keystrokes through the OSD menu.
6