Linux: Reliability, Availability. and Serviceability

“A recent patch posted to the lkml aimed to make it possible to
use both kdb and kdump at the same time, and instead led to an
interesting discussion about RAS (Reliability, Availability, and
Serviceability) tools. Vivek Goyal compared the two main
philosophies, ‘so basically there are two kind of users. One who
believes that despite the kernel [having] crashed something
meaningful can be done,’ versus, ‘exec on panic, which thinks that
once [the] kernel is crashed nothing meaningful can be
done…'”

Complete
Story