开放式系统和日益增长的数据给数据存储容量的管理一个巨大的挑战。对很多信息系统而言,每年增加100%的存储容量只是个平均数;一些系统的容量增速甚至高述200%。这种存储需求的增长受一系列业务应用增长的推动,其中电子商务的推动作用尤其明显。电子商务对容量管理的挑战在于,包括应用和服务器在内的容量都可能迅速而频繁地变化。 Open systems and growing data management of data storage capacity a huge challenge. For many information systems, adding 100% of storage capacity per year is only an average; some systems even grow at 200% capacity. The growth of this storage demand is driven by a series of business applications growth, especially the promotion of e-commerce. The challenge with e-commerce for capacity management is that the capacity, including applications and servers, can change quickly and frequently.