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Crash recovery with partial amnesia failure model issues.

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Crash recovery with partial amnesia failure model issues.

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dc.contributor.advisor Irún Briz, Luis es_ES
dc.contributor.advisor Muñoz Escoí, Francisco Daniel es_ES
dc.contributor.author De Juan Marín, Rubén es_ES
dc.date.accessioned 2008-09-30T06:55:44Z
dc.date.available 2008-09-30T06:55:44Z
dc.date.created 2008-09-08T08:00:00Z es_ES
dc.date.issued 2008-09-30T06:55:34Z es_ES
dc.identifier.uri http://hdl.handle.net/10251/3302
dc.description.abstract Replicated systems are a kind of distributed systems whose main goal is to ensure that computer systems are highly available, fault tolerant and provide high performance. One of the last trends in replication techniques managed by replication protocols, make use of Group Communication Sys- tem, and more specifically of the communication primitive atomic broadcast for developing more eficient replication protocols. An important aspect in these systems consists in how they manage the disconnection of nodes {which degrades their service{ and the connec- tion/reconnection of nodes for maintaining their original support. This task is delegated in replicated systems to recovery protocols. How it works de- pends specially on the failure model adopted. A model commonly used for systems managing large state is the crash-recovery with partial amnesia be- cause it implies short recovery periods. But, assuming it implies arising several problems. Most of them have been already solved in the literature: view management, abort of local transactions started in crashed nodes { when referring to transactional environments{ or for example the reinclu- sion of new nodes to the replicated system. Anyway, there is one problem related to the assumption of this second failure model that has not been completely considered: the amnesia phenomenon. Phenomenon that can lead to inconsistencies if it is not correctly managed. This work presents this inconsistency problem due to the amnesia and formalizes it, de ning the properties that must be ful lled for avoiding it and de ning possible solutions. Besides, it also presents and formalizes an inconsistency problem {due to the amnesia{ which appears under a speci c sequence of events allowed by the majority partition progress condition that will imply to stop the system, proposing the properties for overcoming it and proposing di erent solutions. As a consequence it proposes a new majority partition progress condition. In the sequel there is de es_ES
dc.language Español es_ES
dc.rights Reserva de todos los derechos es_ES
dc.source Riunet
dc.subject Replicated systems es_ES
dc.subject High availability es_ES
dc.subject Fault tolerance es_ES
dc.subject Recovery protocol es_ES
dc.subject Crash recovery with partial amnesia es_ES
dc.subject Amnesia recovery es_ES
dc.subject Failure model es_ES
dc.subject Replicated databases es_ES
dc.subject Replication protocols es_ES
dc.subject.classification LENGUAJES Y SISTEMAS INFORMATICOS es_ES
dc.title Crash recovery with partial amnesia failure model issues.
dc.type Tesis doctoral es_ES
dc.subject.unesco 12 - Matemáticas es_ES
dc.subject.unesco 120317 - Informática es_ES
dc.subject.unesco 1203 - Ciencia de los ordenadores es_ES
dc.identifier.doi 10.4995/Thesis/10251/3302 es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Sistemas Informáticos y Computación - Departament de Sistemes Informàtics i Computació es_ES
dc.description.bibliographicCitation De Juan Marín, R. (2008). Crash recovery with partial amnesia failure model issues [Tesis doctoral no publicada]. Universitat Politècnica de València. doi:10.4995/Thesis/10251/3302. es_ES
dc.type.version info:eu repo/semantics/acceptedVersion es_ES
dc.relation.tesis 2887 es_ES


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