System and method for providing migrateable virtual serial port services
First Claim
Patent Images
1. A virtualization environment comprising:
- first and second processors;
computer memory accessible by at least one processor of the first and second processors; and
computer code contained within the computer memory to control the at least one processor to perform the steps of;
generating at least one virtual server,generating a virtual console server that runs as a virtual machine separate from the at least one virtual server and provides virtual serial console access to the at least one virtual server;
specifying a virtual serial connection between the at least one virtual server and the virtual console server such that virtual serial communication can continue between the at least one virtual server and the virtual console server if at least one of the at least one virtual server and the virtual console server is moved from the first processor to the second processor;
communicating between the at least one virtual server and the virtual console server using the virtual serial connection as an out-of-band communication channel when virtual in-band communication between the at least one virtual server and the virtual console server fails using virtual Ethernet communications;
receiving first commands at the virtual console server to configure the virtual console server from a first computer remote from the virtualization environment;
receiving second commands at the virtual console server from the first computer, wherein the second commands cause the at least one virtual server to be controlled by the virtual console server over the virtual serial connection; and
receiving a debugging message from the at least one virtual server via the virtual serial connection indicating that the at least one virtual server has experienced an unrecoverable fault.
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Accused Products
Abstract
A virtualization environment provides a virtual console server that communicates with other virtual servers/machines utilizing virtual hardware connections such that the virtual remote console server can monitor and/or control the virtual servers/machines in the environment as if the virtual remote console server and the other virtual servers/machines were connected, even if the virtual console server and/or the other virtual servers are moved between processors in the virtualization environment.
26 Citations
8 Claims
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1. A virtualization environment comprising:
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first and second processors; computer memory accessible by at least one processor of the first and second processors; and computer code contained within the computer memory to control the at least one processor to perform the steps of; generating at least one virtual server, generating a virtual console server that runs as a virtual machine separate from the at least one virtual server and provides virtual serial console access to the at least one virtual server; specifying a virtual serial connection between the at least one virtual server and the virtual console server such that virtual serial communication can continue between the at least one virtual server and the virtual console server if at least one of the at least one virtual server and the virtual console server is moved from the first processor to the second processor; communicating between the at least one virtual server and the virtual console server using the virtual serial connection as an out-of-band communication channel when virtual in-band communication between the at least one virtual server and the virtual console server fails using virtual Ethernet communications; receiving first commands at the virtual console server to configure the virtual console server from a first computer remote from the virtualization environment; receiving second commands at the virtual console server from the first computer, wherein the second commands cause the at least one virtual server to be controlled by the virtual console server over the virtual serial connection; and receiving a debugging message from the at least one virtual server via the virtual serial connection indicating that the at least one virtual server has experienced an unrecoverable fault. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification