Reboot a Single Compute Node

A system administrator can initiate a warm boot with the xtbootsys command's --reboot option. This operation performs minimal initialization followed by a boot of only the selected compute nodes. Unlike the sequence that is used by the xtbounce command, there is no power cycling of the Cray ASICs or of the node itself; therefore, the high-speed network (HSN) routing information is preserved. Do not specify a session identifier (-s or --session option) because --reboot continues the last session and adds the selected components to it.

Reboot a single comput node

For this example, reboot node c1-0c2s1n2:
crayadm@smw> xtbootsys --reboot c1-0c2s1n2