[LU-4609] handle race between LFSCK and recovery

• Type: Technical task
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.6.0
• Labels: MB
• Assignee: nasf (Inactive)
• Reporter: nasf (Inactive)

Description

Currently, there are race cases between LFSCK and recovery, especially on OST side, the LFSCK may make the OST to become read-only and cause the recovery to be failed. We need more consideration about those race cases, may be recovery firstly, then LFSCK.