Freeblock Scheduling Outside of Disk Firmware
FAST '02 Proceedings of the Conference on File and Storage Technologies
Devirtualizable virtual machines enabling general, single-node, online maintenance
ASPLOS XI Proceedings of the 11th international conference on Architectural support for programming languages and operating systems
Memory resource management in VMware ESX server
OSDI '02 Proceedings of the 5th symposium on Operating systems design and implementationCopyright restrictions prevent ACM from being able to make the PDFs for this conference available for downloading
Scalability, fidelity, and containment in the potemkin virtual honeyfarm
Proceedings of the twentieth ACM symposium on Operating systems principles
Idletime scheduling with preemption intervals
Proceedings of the twentieth ACM symposium on Operating systems principles
Live updating operating systems using virtualization
Proceedings of the 2nd international conference on Virtual execution environments
K42: building a complete operating system
Proceedings of the 1st ACM SIGOPS/EuroSys European Conference on Computer Systems 2006
OSDI'04 Proceedings of the 6th conference on Symposium on Opearting Systems Design & Implementation - Volume 6
Dynamic and adaptive updates of non-quiescent subsystems in commodity operating system kernels
Proceedings of the 2nd ACM SIGOPS/EuroSys European Conference on Computer Systems 2007
Enforcing appropriate process execution for exploiting idle resources from outside operating systems
Proceedings of the 3rd ACM SIGOPS/EuroSys European Conference on Computer Systems 2008
Reboots are for hardware: challenges and solutions to updating an operating system on the fly
ATC'07 2007 USENIX Annual Technical Conference on Proceedings of the USENIX Annual Technical Conference
SnowFlock: rapid virtual machine cloning for cloud computing
Proceedings of the 4th ACM European conference on Computer systems
Ksplice: automatic rebootless kernel updates
Proceedings of the 4th ACM European conference on Computer systems
Otherworld: giving applications a chance to survive OS kernel crashes
Proceedings of the 5th European conference on Computer systems
Difference engine: harnessing memory redundancy in virtual machines
OSDI'08 Proceedings of the 8th USENIX conference on Operating systems design and implementation
Satori: enlightened page sharing
USENIX'09 Proceedings of the 2009 conference on USENIX Annual technical conference
CloneCloud: elastic execution between mobile device and cloud
Proceedings of the sixth conference on Computer systems
Phase-based reboot: Reusing operating system execution phases for cheap reboot-based recovery
DSN '11 Proceedings of the 2011 IEEE/IFIP 41st International Conference on Dependable Systems&Networks
Jettison: efficient idle desktop consolidation with partial VM migration
Proceedings of the 7th ACM european conference on Computer Systems
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Operating system (OS) reboots are an essential part of updating kernels and applications on laptops and desktop PCs. Long downtime during OS reboots severely disrupts users' computational activities. This long disruption discourages the users from conducting OS reboots, failing to enforce them to conduct software updates. This paper presents ShadowReboot, a virtual machine monitor (VMM)-based approach that shortens downtime of OS reboots in software updates. ShadowReboot conceals OS reboot activities from user's applications by spawning a VM dedicated to an OS reboot and systematically producing the rebooted state where the updated kernel and applications are ready for use. ShadowReboot provides an illusion to the users that the guest OS travels forward in time to the rebooted state. ShadowReboot offers the following advantages. It can be used to apply patches to the kernels and even system configuration updates. Next, it does not require any special patch requiring detailed knowledge about the target kernels. Lastly, it does not require any target kernel modification. We implemented a prototype in VirtualBox 4.0.10 OSE. Our experimental results show that ShadowReboot successfully updated software on unmodified commodity OS kernels and shortened the downtime of commodity OS reboots on five Linux distributions (Fedora, Ubuntu, Gentoo, Cent, and SUSE) by 91 to 98%.