{"title":"大型闪存嵌入式卫星存储系统可靠性增强机制研究","authors":"S. Zertal","doi":"10.1109/ICONS.2008.74","DOIUrl":null,"url":null,"abstract":"In this paper, we propose an embedded satellite storage architecture based on the MLC NAND flash memory chips. We focus on data reliability and enhance it by adapting the RAID5 mechanism to the flash technology. This adaptation takes into account both the application and the technology characteristics : the specific access profile determines the striping granularity and the specific flash technology determines the data placement/management policy. It results an efficient mechanism, simple to implement at the FTL (flash translation layer) level without any use of the garbage collection. Thus, improving reliability using this mechanism leads to improving performance in the particular on-board satellite storage context.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"16","resultStr":"{\"title\":\"A Reliability Enhancing Mechanism for a Large Flash Embedded Satellite Storage System\",\"authors\":\"S. Zertal\",\"doi\":\"10.1109/ICONS.2008.74\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, we propose an embedded satellite storage architecture based on the MLC NAND flash memory chips. We focus on data reliability and enhance it by adapting the RAID5 mechanism to the flash technology. This adaptation takes into account both the application and the technology characteristics : the specific access profile determines the striping granularity and the specific flash technology determines the data placement/management policy. It results an efficient mechanism, simple to implement at the FTL (flash translation layer) level without any use of the garbage collection. Thus, improving reliability using this mechanism leads to improving performance in the particular on-board satellite storage context.\",\"PeriodicalId\":127732,\"journal\":{\"name\":\"Third International Conference on Systems (icons 2008)\",\"volume\":\"33 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2008-04-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"16\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Third International Conference on Systems (icons 2008)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICONS.2008.74\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Third International Conference on Systems (icons 2008)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICONS.2008.74","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Reliability Enhancing Mechanism for a Large Flash Embedded Satellite Storage System
In this paper, we propose an embedded satellite storage architecture based on the MLC NAND flash memory chips. We focus on data reliability and enhance it by adapting the RAID5 mechanism to the flash technology. This adaptation takes into account both the application and the technology characteristics : the specific access profile determines the striping granularity and the specific flash technology determines the data placement/management policy. It results an efficient mechanism, simple to implement at the FTL (flash translation layer) level without any use of the garbage collection. Thus, improving reliability using this mechanism leads to improving performance in the particular on-board satellite storage context.
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