WO2001095093A3 - Process persistence in a virtual machine - Google Patents

Process persistence in a virtual machine Download PDF

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Publication number
WO2001095093A3
WO2001095093A3 PCT/US2001/016795 US0116795W WO0195093A3 WO 2001095093 A3 WO2001095093 A3 WO 2001095093A3 US 0116795 W US0116795 W US 0116795W WO 0195093 A3 WO0195093 A3 WO 0195093A3
Authority
WO
WIPO (PCT)
Prior art keywords
virtual machine
virtual
persistent
heap
state
Prior art date
Application number
PCT/US2001/016795
Other languages
French (fr)
Other versions
WO2001095093A2 (en
Inventor
Gregory L Slaughter
Thomas E Saulpaugh
Bernard A Traversat
Michael J Duigou
Original Assignee
Sun Microsystems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sun Microsystems Inc filed Critical Sun Microsystems Inc
Priority to DE60126803T priority Critical patent/DE60126803D1/en
Priority to EP01939377A priority patent/EP1330704B1/en
Priority to AU2001264903A priority patent/AU2001264903A1/en
Publication of WO2001095093A2 publication Critical patent/WO2001095093A2/en
Publication of WO2001095093A3 publication Critical patent/WO2001095093A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
    • G06F11/2023—Failover techniques
    • G06F11/203—Failover techniques using migration

Abstract

A system and method for providing process persistence in a virtual machine are described. A virtual persistent heap may be provided. The virtual persistent heap may enable the checkpointing of the state of the computation of a virtual machine, including processes executing within the virtual machine, to a persistent storage such as a disk or flash device for future resumption of the computation from the checkpoint. The Virtual Persistent Heap also may enable the migration of the virtual machine computation states, and thus the migration of executing processes, from one machine to another. The saved state of the virtual machine heap may also provide the ability to restart the virtual machine after a system crash or shutdown to the last saved persistent state, and to thus restart a process that was running within the virtual machine prior to the system crash or shutdown to a checkpointed state of the process stored in the virtual persistent heap. This persistent feature is important for small consumer and appliance devices, as these appliances may be shutdown and restarted often.
PCT/US2001/016795 2000-06-02 2001-05-22 Process persistence in a virtual machine WO2001095093A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE60126803T DE60126803D1 (en) 2000-06-02 2001-05-22 PROCESSABILITY IN A VIRTUAL MACHINE
EP01939377A EP1330704B1 (en) 2000-06-02 2001-05-22 Process persistence in a virtual machine
AU2001264903A AU2001264903A1 (en) 2000-06-02 2001-05-22 Process persistence in a virtual machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/587,078 2000-06-02
US09/587,078 US6854115B1 (en) 2000-06-02 2000-06-02 Process persistence in a virtual machine

Publications (2)

Publication Number Publication Date
WO2001095093A2 WO2001095093A2 (en) 2001-12-13
WO2001095093A3 true WO2001095093A3 (en) 2003-05-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/016795 WO2001095093A2 (en) 2000-06-02 2001-05-22 Process persistence in a virtual machine

Country Status (6)

Country Link
US (1) US6854115B1 (en)
EP (1) EP1330704B1 (en)
AT (1) ATE354827T1 (en)
AU (1) AU2001264903A1 (en)
DE (1) DE60126803D1 (en)
WO (1) WO2001095093A2 (en)

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