1. A elastic metal closed gasket (10, 20) having an elastic metal core and an outer envelope (13, 23) of ductile material, into which is inserted the metal core (12, 22), while the gasket (10), when idle, has a closed circular section defining a middle axis (M), i.e., a straight line passing through the geometrical centre of the idle gasket section which has 2 clearance surfaces (16, 26) placed opposite each other and each of which has at least one projecting part (14, 24) and whose apex is designed to come into tight contact with an object (1) under the effect of a determined tightening force, characterized by the fact that, when idle, the projecting parts (14, 24) are offset slightly with respect to middle axis (M) of the gasket (10, 20).
2. A gasket according to claim 1, characterized by the fact that the two clearance surfaces (16, 26) are parallel to one another and each is parallel to the axis of symmetry of the projecting part (14, 24) associated with them.
3. A gasket according to claim 1, characterized by the fact that the height (h) of the projecting parts (14, 24) is included between 0.025 mm and 0.50 mm.
4. A gasket according to claim 1, characterized by the fact that on each clearance surface (26) it has two projecting parts (24) placed either side of middle axis (M).
5. A gasket according to claim 1, characterized by the fact that the projecting parts (14, 24) are generally triangular in shape.
6. A gasket according to claim 1, characterized by the fact that the projecting parts are generally trapezoidal in shape.
7. A gasket according to claim 1, characterized by the fact that the projecting parts are generally elliptical in shape.
8. A gasket according to claim 1, characterized by the fact that the projecting parts are generally rectangular in shape.
9. A gasket according to claim 1, characterized by the fact that it is generally annular in shape.
10. A gasket according to claim 9, characterized by the fact that it is generally elliptical in shape.
11. A gasket according to claim 9, characterized by the fact that it is generally triangular in shape.
12. A gasket according to claim 9, characterized by the fact that it is generally rectangular in shape.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A system, comprising:
a plurality of information handling systems, each including a first network interface device configured to receive wake-up messages remotely via a network and a second network interface device;
a management controller coupled to and configured to manage the plurality of information handling systems, the management controller operable to:
receive a wake-up message remotely via the network, the wake-up message including an address identifying a particular one of the information handling systems to be awakened from a non-awake state;
identify the particular information handling system based at least on the address included in the received wake-up message; and
forward the wake-up message to the particular information handling system to cause the particular information handling system to awaken; and
wherein the first network interface device of the particular information handling system configured to receive wake-up messages remotely via the network is not powered while the wake-up message is received and forwarded by the management controller; and
wherein the second network interface device of the particular information handling system is configured to:
receive power when the wake-up message is forwarded by the management controller; and
receive the wake-up message forwarded by the management controller.
2. A system according to claim 1, wherein the wake-up message comprises a User Datagram Packet (UDP) broadcast packet.
3. A system according to claim 1, wherein the wake-up message comprises a Wake-on-LAN (WoL) Magic Packet.
4. A system according to claim 1, wherein:
the management controller is coupled to the particular information handling system by a backplane; and
the management controller is configured to forward the wake-up message to the particular information handling system via the backplane.
5. A system according to claim 1, further comprising:
a server chassis including a backplane;
the plurality of information handling systems comprise a plurality of blade servers coupled to the backplane; and
the management controller comprises a chassis management controller coupled to the backplane.
6. A system according to claim 1, wherein the management controller identifies the particular information handling system by:
identifying a Media Access Control (MAC) address defined in the wake-up message;
accessing a list of MAC addresses for each of the plurality of information handling systems managed by the management controller; and
identifying the particular information handling system based on the accessed list of MAC address.
7. A system according to claim 1, wherein:
the first network interface device of the particular information handling system configured to receive wake-up messages remotely via the network comprises a Local Area Network (LAN) on motherboard (LOM); and
the LOM is not powered while the wake-up message is received and forwarded by the management controller.
8. A method for managing a remote wake-up of an information handling system, comprising:
receiving a wake-up message at a management controller coupled to and configured to manage a plurality of information handling systems, the wake-up message received from a remote system via a network, the wake-up message including an address identifying a particular one of the information handling systems to be awakened from a non-awake state;
the management controller identifying the particular information handling system based at least on the address included in the received wake-up message; and
the management controller forwarding the wake-up message to the particular information handling system to cause the particular information handling system to awaken;
wherein a first network interface device of the particular information handling system that is configured to receive wake-up messages via the network is not powered while the wake-up message is received and forwarded by the management controller; and
wherein a second network interface device of the particular information handling system, configured to receive power when the wake-up message is forwarded by the management controller, receives the wake-up message forwarded by the management controller.
9. A method according to claim 8, wherein the wake-up message comprises a User Datagram Packet (UDP) broadcast packet.
10. A method according to claim 8, wherein the wake-up message comprises a Wake-on-LAN (WoL) Magic Packet.
11. A method according to claim 8, wherein:
the management controller is coupled to the particular information handling system by a backplane; and
the management controller forwards the wake-up message to the particular information handling system via the backplane.
12. A method according to claim 8, wherein:
the plurality of information handling systems comprise a plurality of blade servers in a server chassis; and
the management controller comprises a chassis management controller coupled to the plurality of blade servers by a backplane.
13. A method according to claim 8, wherein identifying the particular information handling system based at least on the address included in the received wake-up message comprises:
identifying a Media Access Control (MAC) address defined in the wake-up message;
accessing a list of MAC addresses for each of the plurality of information handling systems managed by the management controller; and
identifying the particular information handling system based on the accessed list of MAC address.
14. A method according to claim 8, wherein the first network interface device of the particular information handling system comprises a Local Area Network (LAN) on motherboard (LOM).
15. A method according to claim 8, further comprising:
the management controller identifying an address defined in the wake-up message;
the management controller accessing a list of addresses for the plurality of information handling systems managed by the management controller; and
the management controller determining whether the address corresponds to any of the plurality of information handling systems.
16. A management controller for managing a plurality of information handling systems, each including a first network interface device configured to receive wake-up messages remotely via a network and a second network interface device, the management controller configured to:
receive a wake-up message remotely via the network, the wake-up message including an address identifying a particular one of the information handling systems to be awakened from a non-awake state;
identify the particular information handling system based at least on the address included in the received wake-up message; and
forward the wake-up message to the particular information handling system to cause the particular information handling system to awaken; and
wherein the first network interface device of the particular information handling system configured to receive wake-up messages remotely via the network is not powered while the wake-up message is received and forwarded by the management controller;
wherein the second network interface device of the particular information handling system is configured to:
receive power when the wake-up message is forwarded by the management controller; and
receive the wake-up message forwarded by the management controller.
17. A management controller according to claim 16, wherein the wake-up message comprises a Wake-on-LAN (WoL) Magic Packet.
18. A management controller according to claim 16, wherein:
the management controller is coupled to the particular information handling system by a backplane; and
the management controller forwards the wake-up message to the particular information handling system via the backplane.
19. A management controller according to claim 16, wherein:
the plurality of information handling systems comprise a plurality of blade servers in a server chassis; and
the management controller comprises a chassis management controller coupled to the plurality of blade servers by a backplane.
20. A management controller according to claim 16, wherein identifying the particular information handling includes:
identifying a Media Access Control (MAC) address defined in the wake-up message;
accessing a list of MAC addresses for each of the plurality of information handling systems managed by the management controller; and
identifying the particular information handling system based on the accessed list of MAC address.