Linux系統下的watchdog及NMI不建議啟動
阿新 • • 發佈:2019-01-25
How to Obtain Kernel Freeze or Hang Information Using Hardware NMI (文件 ID 549779.1)
文件中涉及到的Linux系統下的watchdog及NMI;在正常情況下不建議啟動此功能,原因如下(主要是因為該特性可能會導致節點驅逐,看如下(2)):
(1)What is the hung task watchdog?(https://access.redhat.com/articles/1353393)中明確說明watchdod不應該被endble:
The hung task watchdog is primarily a debugging feature and should not really be enabled by default on an enterprise system.
(2)What tunables does NMI watchdog support to trigger a system reboot?(https://access.redhat.com/solutions/874733)
(3)References:Watchdog FAQ ( Doc ID 1005697.1 )
文件中涉及到的Linux系統下的watchdog及NMI;在正常情況下不建議啟動此功能,原因如下(主要是因為該特性可能會導致節點驅逐,看如下(2)):
(1)What is the hung task watchdog?(https://access.redhat.com/articles/1353393)中明確說明watchdod不應該被endble:
The hung task watchdog is primarily a debugging feature and should not really be enabled by default on an enterprise system.
(2)What tunables does NMI watchdog support to trigger a system reboot?(https://access.redhat.com/solutions/874733)
(3)References:Watchdog FAQ ( Doc ID 1005697.1 )