[LU-350] port bug24050 to master("lustre_start" caused client nodes failed to mount.)

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.1.0
• Affects Version/s: Lustre 2.1.0
• Severity: 3
• Bugzilla ID: 24,050
• Assignee: Hongchao Zhang
• Reporter: Hongchao Zhang

Description

for newly formatted Lustre system, the MDT must be started before OST, or it will cause clients can't mount the Lustre
for the filesystem configuration will be erased when the MDT registers itself in MGS. currently , the script tool "lustre_start"
uses the wrong order (it start OST before MDT) and cause clients can't mount.