{"title":"Efficient failure recovery in multi-disk multimedia servers","authors":"H. Vin, P. Shenoy, Sriram Rao","doi":"10.1109/FTCS.1995.467000","DOIUrl":null,"url":null,"abstract":"In this paper, we present a novel disk failure recovery method that utilizes the inherent redundancy in video streams (rather than error-correcting codes) to ensure that the user-invoked on-the-fly failure recovery process does not impose any additional load on the disk array. We also present a disk array architecture that enhances the scalability of multimedia servers by: (1) integrating the recovery process with the decompression of video streams, and thereby distributing the reconstruction process across the clients; and (2) supporting graceful degradation in the quality of recovered images with increase in the number of disk failures.<<ETX>>","PeriodicalId":309075,"journal":{"name":"Twenty-Fifth International Symposium on Fault-Tolerant Computing. Digest of Papers","volume":"23 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1995-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"32","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Twenty-Fifth International Symposium on Fault-Tolerant Computing. Digest of Papers","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/FTCS.1995.467000","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 32
Abstract
In this paper, we present a novel disk failure recovery method that utilizes the inherent redundancy in video streams (rather than error-correcting codes) to ensure that the user-invoked on-the-fly failure recovery process does not impose any additional load on the disk array. We also present a disk array architecture that enhances the scalability of multimedia servers by: (1) integrating the recovery process with the decompression of video streams, and thereby distributing the reconstruction process across the clients; and (2) supporting graceful degradation in the quality of recovered images with increase in the number of disk failures.<>
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