| Patent application number | Description | Published |
|---|
| 20120117418 | ERROR DETECTION IN A MIRRORED DATA STORAGE SYSTEM - A method and system for are provided for error detection in a mirrored data storage system. The method includes a first mirrored system applying a first error correction code (ECC) algorithm and a second mirrored system applying a second error correction code algorithm. The method reads recovered data in each of the first and second mirrored systems and processes the recovered data in each of the first and second mirrored systems by applying both first and second error correction code algorithms to produce four calculated error correction code values. The method uses the calculated error correction code values to determine the correct recovered data of the first and second mirrored systems. | 05-10-2012 |
| 20130283011 | Computer Program Instruction Analysis - Disclosed is a method of analysis of a computer program instruction for use in a central processing unit having a decoding unit. The method comprises receiving an address of an instruction to be analysed, fetching said instruction stored at said address, decoding by a decoding unit associated with the central processing unit, the fetched instruction; and returning the results of said decoding of said fetched instruction. The decoded results are returned as a data block stored in memory associated with the central processing unit or in one or more registers of the central processing unit. The decoded results include the type of the instruction and/or the instruction length. The method optionally further comprises analysing the decoded results to determine whether the instruction may be replaced with one of a trap or a break point. Also disclosed is a system and computer program for analysis of a computer program instruction for use in a central processing unit having a decoding unit. | 10-24-2013 |
| 20140026124 | UPDATING SOFTWARE - This invention relates to updating an operating system in a hypervisor comprising: determining a new version of a component of the operating system; installing the new component version; measuring an identifying characteristic of the component and making it available to an attestation system; notifying the attestation system that a component has been updated to a new version whereby, when the attestation system finds that the identifying characteristic of the new component does not match a pre-stored attestation value it is aware that a legitimate mis-match could have occurred. The installing of the new version of the component comprises: identifying an updater associated with new version of the component; measuring an identifying characteristic of the identified updater; loading and installing the new version of the component; and making both the identifying measurement of the updater and the new version of the component available to the attestation system. | 01-23-2014 |
| 20140157268 | CONSENT-BASED VIRTUAL MACHINE MIGRATION - A system, method, and computer program product for controlling migration of a VM operable on a first site and a second site. The system includes an identify component for identifying the second site; a request component for sending a consent request message to a software component, wherein the consent request message comprises at least one of an identifier of the VM and an identifier of the second site; a calculate component, operable on the software component and responsive to receiving the consent request message, for determining consent for the second site; a send component, responsive to a positive determination, for sending a consent message; and a migrate component, responsive to receiving the consent message, for migrating the VM from the first site to the second site. | 06-05-2014 |
| 20140168888 | COOLING OF A MEMORY DEVICE - A system for providing cooling of a memory device comprises a cooling system arranged to store a coolant, a valve system connected to the output of the cooling system, and a control system connected to the valve system and arranged to open the valve system when power is lost to the control system. The system further comprises a delivery system connected to the output of the valve system and arranged to deliver the coolant to the memory device and the cooling system comprises a canister of low boiling point fluid. | 06-19-2014 |
| 20160054769 | COOLING OF A MEMORY DEVICE - A system for providing cooling of a memory device comprises a cooling system arranged to store a coolant, a valve system connected to the output of the cooling system, and a control system connected to the valve system and arranged to open the valve system when power is lost to the control system. The system further comprises a delivery system connected to the output of the valve system and arranged to deliver the coolant to the memory device and the cooling system comprises a canister of low boiling point fluid. | 02-25-2016 |
| 20160054996 | Computer Program Instruction Analysis - Disclosed is a method of analysis of a computer program instruction for use in a central processing unit having a decoding unit. The method includes receiving an address of an instruction to be analyzed, fetching said instruction stored at said address, decoding by a decoding unit associated with the central processing unit, the fetched instruction, and returning the results of said decoding of said fetched instruction. The decoded results may be returned as a data block stored in memory associated with the central processing unit or in one or more registers of the central processing unit. The decoded results may include the type of the instruction and/or the instruction length. The method may further include analyzing the decoded results to determine whether the instruction may be replaced with one of a trap or a break point. | 02-25-2016 |
| 20160139962 | MIGRATING A VM IN RESPONSE TO AN ACCESS ATTEMPT BY THE VM TO A SHARED MEMORY PAGE THAT HAS BEEN MIGRATED - A hypervisor of a source host receives a request to migrate a group of virtual machines from the source host to a destination host. The hypervisor of the source host determines that a first virtual machine being migrated to the destination host shares a memory space on the source host with a second virtual machine on the source host. Upon receiving a request from the second virtual machine on the source host to access a first memory page of the shared memory space on the source host that has been migrated to the destination host, the hypervisor of the source host initiates migration of the second virtual machine to the destination host. | 05-19-2016 |
