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队列深度和磁盘队列之间的区别是什么

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适用场景

  • ONTAP
  • FCP

问题解答

队列深度:
  • 队列深度是一个存储参数。
  • 队列深度是指存储控制器上一次可以排队的I/O请求(SCSI命令)的数量。
  • 从主机启动程序HBA到存储控制器目标适配器的每个I/O请求都会占用一个队列条目。
  • 队列深度越高、性能越高。
 
磁盘队列:
  • 这是主机磁盘参数、由主机操作系统配置。
  • 磁盘队列跟踪样本间隔内排队等待磁盘的请求数。
  • 此计数器有助于了解主机上的磁盘性能问题。
  • 磁盘队列值是操作系统配置、由操作系统团队推荐。

追加信息

 

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.

 

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