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題名 | Disk Arrays: High Performance, Reliable Secondary Storage=磁碟陣列:高效能,高可靠度之次儲存記憶體 |
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作者 | 季敏昶; | 書刊名 | 電信研究 |
卷期 | 25:6 1995.12[民84.12] |
頁次 | 頁955-967 |
分類號 | 471.6523 |
關鍵詞 | 磁碟陣列; 次儲存記憶體; |
語文 | 英文(English) |
中文摘要 | 八零年代提出之磁碟陣列是應用平行技術在多個磁碟上來改善I/O效能,為了達到 高I/O速率,磁碟陣列將多個磁碟機組成一個大的邏輯磁碟並將資料分?至這些磁碟機上作 平行存取。磁碟陣列之資料組織是由其資料分布技巧及資料回復方法所定義,不同之組合會 使磁碟陣列有不同之效能、代價及可靠度。高效能及可靠度是造成磁碟陣列如此受歡迎之主 要原因,如今磁碟陣列已成為商業產品,特別是應用在資料庫系統及檔案伺服器上。這篇報 告針對磁碟陣列給予完整的概觀及目前產品特性之討論,而所研究成果將應用於寬頻交換機 容錯主控器之發展工作上。 |
英文摘要 | Disk arrays, which were proposed in the 1980s, apply parallelism on multiple disks to improve I/O performance. To achieve high I/O rates, disk arrays group multiple disk drives into a large logical disk, stripe data over these disk drives and access them in parallel. The data organization of disk arrays are defined by their data distribution schemes and redundancy mechanisms. The various combinations of these two components will make disk arrays have different sets of performance, cost and reliability. The performance and reliability are the two major reasons that make the disk arrays so popular. Today they have become the commercial product, especially for the database systems and file servers. This report gives a comprehensive overview of disk arrays and the features of the current products of disk array technology will be applied in tie design of fault tolerant common controller of broadband switch systems. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。