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0引言网络存储的大容量、高性能,高安全性等特质使其受到非常多企业的青睐。随着科学技术的不断发展,从简单的磁盘、硬盘到现在大规模存储系统,最新的技术随着科技飞速发展不断涌现,其中最前沿运用在存储上的技术就是重复数据删除和冷数据转移,以及raid6技术和预拷贝技术相结合。数据量快速增长,可能代表公司业务蒸蒸日上,但是有好的一面也肯定有其不好的一面,另一方面大容量存储的空间被慢慢
0 Introduction Network storage of large-capacity, high-performance, high security and other characteristics make it a lot of companies of all ages. With the continuous development of science and technology, from the simple disk and hard disk to the large-scale storage system nowadays, with the rapid development of science and technology, the latest technologies are emerging. Among the foremost applications in storage are deduplication and cold data transfer, And raid6 technology and pre-copy technology combined. The rapid growth of data may represent the company’s business booming, but there are certainly good side has its bad side, on the other hand, large-capacity storage space is slowly