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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

 

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