Dell PowerEdge M610x Bedienungsanleitung Seite 317

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Troubleshooting Your System 317
Troubleshooting the iKVM Module
Problem:
When using iDRAC video\console redirection you cannot see video through
the iKVM when you switch to a blade running Linux.
Likely Cause and Solution:
A monitor or KVM appliance with a lower resolution has recently been added.
Example:
A blade running X Windows under Linux is inserted and powered on. A user
connects to the blade in OS GUI mode using the iDRAC and a video
resolution is detected and hard-set for that session. A monitor or KVM
appliance is attached to the front or back iKVM interface on the M1000e
enclosure. The monitor or the KVM appliance is configured with a resolution
LOWER than the currently configured resolution in the X-Window session
on the Linux blade.
When you select the Linux blade using the front or back port on the iKVM,
the iDRAC circuit adopts the lower resolution of the external connected
devices. The video on the lower resolution monitor or the KVM appliance is
not displayed until X Windows is restarted (iDRAC video should still be
viewable.)
Solution:
1
From the iDRAC session, exit and re-enter GUI mode. The lower
resolution is communicated and utilized.
2
Set all monitors or KVM appliances connected to the M1000e enclosure to
the same resolution or higher as configured on the Linux blades in GUI
mode.
3
From the lower resolution monitor (no video displayed) press <CTRL>
<ALT><F3> to change to the non-GUI login screen.
4
Restart X Windows to detect and utilize the lower resolution.
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