On a Symmetrix array, this is the time it takes to transfer data from a physical HDD to the Symmetrix cache.

在一个Symmetrix阵列中，这指的是将数据从一个物理hdd传输到Symmetrix所需要的时间。

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If the data requested is not in global cache, it must be retrieved from disk and placed into cache before the Symmetrix will respond to the request.

如果所请求的数据不在全局缓存中，那么它必须先从磁盘读取，然后再放进缓存中，之后Symmetrix才会将响应返回给请求。

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IBM recommends using intelligent storage servers, such as the IBM ESS or EMC Symmetrix, to establish near-instantaneous copies of the data entirely within itself.

IBM建议使用智能存储服务器，例如IBM ess或emc Symmetrix，完全在其内部建立数据的准瞬时拷贝。

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He also commanded his sales force to start hawking Clariion just as hard as Symmetrix.

FORBES: What's eating EMC?

It costs half the price of a similar Symmetrix and boasts the fiber channel that Symmetrix lacks.

FORBES: What's eating EMC?

In January, EMC released its Symmetrix system, which incorporates a combination of spinning disks and solid-state drives built by STEC.

FORBES: Magazine Article