physical storage device的意思|示意

The logical layer allocates a buffer to use to write data to a storage device. The physical layer manages access to the storage device.

逻辑层分配了一个用来写数据到存储设备的缓冲区，物理层管理对存储设备的访问。

The write throughput to the physical storage device (step 8).

写到物理存储设备（步骤 8）的写吞吐量。

Storage device-based virtualization provides the facility to join multiple physical disks in a single array and divide it to multiple volumes of different sizes based on requirements.

基于存储设备的虚拟化可以把多个物理磁盘放在单一阵列中，并根据需求把它划分为多个不同大小的卷。

The physical layer transfers content from the buffer to the storage device.

物理层将内容从缓冲区传输到存储设备。

Even though it is simple and it supports any physical device storage type, data migration/replication across systems and host instances synchronization across organization is not possible.

尽管它很简单而且支持任何物理设备存储类型，但是不可能实现跨系统数据迁移/复制和跨组织宿主实例同步。

The total direct access storage device (DASD) attached to this physical system, through its various fiber channels, was well over 200 TB.

通过不同光纤连接到这个物理系统上的直接访问存储设备(DASD)加起来超过200 TB。