[LU-4551] Add range support in ONLY when run tests.

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.6.0
• Severity: 3
• Assignee: Di Wang (Inactive)
• Reporter: Di Wang (Inactive)

Description

Add range support in ONLY when running test.

For example ONLY="12-30" sh sanity will run sanity test_12 until test_30. It would be useful in debugging.