[LU-3202] SWL Causes OST hang

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.4.0
• Affects Version/s: Lustre 2.4.0
• Labels: HB
• Environment: LLNL/Hyperion
• Severity: 3
• Assignee: nasf (Inactive)
• Reporter: Cliff White (Inactive)

Description

Started SWL. Had immediate watchdog timeouts on OSTs, clients are stuck in 'comp' state, are evicted by servers and unable to reconnect, as servers are returning EBUSY. Appears to be some sort of watchdog storm on OSTs, stack dump attached.