[LU-3212] mds-survey should support multiple MDT in a single run.

• Type: Bug
• Resolution: Won't Do
• Priority: Minor
• Affects Version/s: Lustre 2.5.0
• Severity: 3
• Assignee: Di Wang
• Reporter: Di Wang

Description

mds-survey should support multiple MDTs so we can check whether adding MDTs in the same MDS will help improve the performance.