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A Non-Mds Erasure Code Scheme For Storage Applications
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نویسنده
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Kianiand Abbas ,Akhlaghi Soroush
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منبع
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Journal Of Communication Engineering - 2013 - دوره : 2 - شماره : 3 - صفحه:183 -191
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چکیده
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Abstract— this paper investigates the use of redundancy and self-repairing against node failures in distributed storage systems using a novel non-mds erasure code. in replication method, access to one replication node is adequate to reconstruct a lost node, while in mds erasure coded systems which are optimal in terms of redundancy-reliability tradeoff, a single node failure is repaired after recovering the entire stored data, thereby consuming more repair bandwidth. the current paper aims at investigating a new type of erasure codes with a reduced repair bandwidth as compared to conventional mds erasure codes. specifically, we propose a non-mds (2k,k)code that tolerates any three node failures and more importantly, it is shown using the proposed code a single node failure can be repaired through connecting to only three nodes which gives the ability to reduce the repair bandwidth comparing to mds codes
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کلیدواژه
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Distributed Storage Systems ,Erasure Code ,Mds Code
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آدرس
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Shahed University, ایران, Shahed University, ایران
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Authors
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