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KVM cannot work normally in T3000 cloud storage system.

Publication Date:  2012-09-18 Views:  71 Downloads:  0
Issue Description
After installing KVM in T3000 cloud storage system and accessing T3000 node into KVM, we find monitor displays blank screen, and we cannot do any operation. Rebooting KVM, we can find server, but the monitor displays blank screen when we select any server to switch.
Alarm Information
When switching any servers, monitor displays blank screen and cannot do any operation.
Handling Process
Connect KVM with notebook, the monitor displays normal, so the KVM works well. Then check the display adapter setting:
1. Login SUS system by SSH(On-site operating system is SUS10).
2. Run “yast” in cmd
3. Select “hardware” in menu, then select display adapter and monitor to modify configure. Reboot the KVM and it work normal.
Root Cause
KVM need to be matched with server display adapter setting. The display adapter scanning rate should be set as 70Hz,and the best resolution ratio is 800*600. If not match, the display blank screen and cannot do any operation.
When KVM have some trouble, we can check KVM by notebook and pay attention to display adapter configure.