[LU-6419] Fld client lookup should retry another target if the current target is deactive

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.8.0
• Affects Version/s: Lustre 2.7.0, Lustre 2.5.3
• Severity: 3
• Assignee: Di Wang
• Reporter: Di Wang

Description

In fld_client_lookup(), if it fails because the remote target is deactive, it should try another target, instead of return error, which might cause the application failure.

Issue Links

• is related to: LU-7115 fld_client_rpc() may run into deadloop