[LU-374] port bug24426 to master(repeated "lctl dk" will overwrite the logs created by previous call"

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.1.0
• Affects Version/s: Lustre 2.1.0
• Severity: 3
• Bugzilla ID: 24,426
• Assignee: Hongchao Zhang
• Reporter: Hongchao Zhang

Description

in the function run_one() in the test-framework.sh, there are repeated "error" call, which will call "lctl dk" to dump the debug logs for the
suffix of the log name is the same.