[Linux-cluster] problem with deadlocked processes (D)

[BERES Laszlo]

rhurst at bidmc.harvard.edu wrote:

> Are these two kernel sysctl parameters recommended to be enabled all the
> time, particularly with production GFS/clustered systems, or only for
> dev/test systems for debugging purposes?  Thanks.

Basically enabling the sysrq facility IMHO decreases the local (console)
security, because anybody can trigger a full reboot via the keyboard.
But if you maintain high console security (restricted server area, etc)
then it's recommended,

-- 
BÉRES László     RHCE, RHCX
senior IT engineer, trainer