[LU-14271] ha.sh: add new "sysrqcrash" node crash method

• Type: Improvement
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.15.0
• Affects Version/s: Lustre 2.14.0

Epic/Theme

patch

• Assignee: Elena Gryaznova
• Reporter: Elena Gryaznova

Description

Patch adds a new node crash method: node crash is simulated by command executed on the victim nodes.

Example:
POWER_DOWN=sysrqcrash
triggers a crash on all victim nodes.