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LVM filter是什么？如何在RHEL中简单配置LVM filter？

Solution Verified - Updated -

Issue

  • 服务器中有很多磁盘，但并非所有磁盘都指派给了LVM；
  • 默认的LVM filter filter = [ "a/.*/" ] 会在系统启动时产生不必要的I/O检测；
  • LVM相关命令报告针对多路径设备passive路径的I/O错误；

Environment

  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Logical Volume Manager (LVM/LVM2)

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