When a process waits for a block device data request to complete, it incurs I/O wait time, and all idle time becomes wait time.
当一个过程等待一个块设备数据请求完成时，它会增加 I/O等待时间，而所有空闲都会变成等待时间。
High availability with the Distributed Replicated Block Device (M. Tim Jones, developerworks, August 2010) provides an introduction to one method for data mirroring.
DistributedReplicatedBlock Device的高可用性(m .TimJones,developerworks, 2010年8月)讲述了一种数据镜像方法。
The Distributed Replicated Block Device (DRBD) provides a networked version of data mirroring, classified under the redundant array of independent disks (RAID) taxonomy as RAID-1.
DistributedReplicatedBlock Device (DRBD)提供一个网络版的数据库镜像，属于冗余磁盘阵列(RAID)RAID - 1类。
A disk storage device that stores data in blocks of fixed size; these blocks are addressed by block number relative to the beginning of the particular file.
一种按固定长度数据块来存储数据的磁盘存储设备，这些数据块按相对于某文件开始的块号进行寻址。
The controller receives a data block from an external rewriting device to store it in the first buffer.
该控制器从外部重写装置接收数据块并将其存储在第一个缓冲区。
A barrier on a network device to filter or block data packets based on such criteria as type, source, or destination.
根据各种标准(如类型、来源或目标)过滤或阻止数据包的网络设备屏障。
The ECC controller transmits the data to a direct memory access (DMA) buffer for transfer to the host device, and to an ECC block for error detection and correction of the data.
ECC控制器将数据发送给用于将数 据传送到主机装置的直接存储器存取（DMA）缓冲器以及用于对数据进行错误检测和纠错的ECC块。
The ECC controller transmits the data to a direct memory access (DMA) buffer for transfer to the host device, and to an ECC block for error detection and correction of the data.
ECC控制器将数据发送给用于将数 据传送到主机装置的直接存储器存取（DMA）缓冲器以及用于对数据进行错误检测和纠错的ECC块。
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