[LU-17409] ldev parses MGS lines improperly

• Type: Bug
• Resolution: Fixed
• Priority: Trivial
• Fix Version/s: Lustre 2.16.0, Lustre 2.15.5
• Labels: llnl llnlfixready
• Severity: 3
• Assignee: Olaf Faaland
• Reporter: Olaf Faaland

Description

ldev is incorrectly parsing the line specifying the hosts that can
run the MGS, when of the form

gopher1 gopher2 MGS gopher1/mgs

as it assumes every target specified includes a filesystem name,
like 'lustre3-MDT0000'.

As a result, ldev never reports MGS targets and cannot identify the hosts or NIDs of those hosts as it should