LSF Version 7.3 - Platform LSF Configuration Reference

Default behavior (job checkpoint and restart not enabled)
With job checkpoint and restart enabled
Kernel-level checkpoint and restart
The operating system provides checkpoint and restart functionality that is transparent to your applications and enabled
by default. To implement job checkpoint and restart at the kernel level, the LSF echkpnt and erestart executables
invoke operating system-specific calls.
Feature: Job checkpoint and restart
Platform LSF Configuration Reference 91