[LU-17240] change test-framework to format and mount targets in parallel

• Type: Improvement
• Resolution: Unresolved
• Priority: Minor
• Labels: medium test_script_improvements
• Severity: 3
• Assignee: Tim Day
• Reporter: Andreas Dilger

Description

It would be useful for a number of reasons to change test-framework.sh to format and mount the MDTs and OSTs in parallel (if not both MDTs and OSTs at the same time, then at least in two sets).

• this would reduce testing time significantly for tests that reformat the filesystem (e.g. conf-sanity)
• this would improve testing of the MGS to handle registering multiple targets in parallel (there are at least some known issues with this that could be found and fixed)
• this would improve test coverage since filesystems are often mounted in parallel in production, and this would better simulate the real world

Issue Links

• is related to: LU-4966 handle server registration errors gracefully
• is related to: LU-15112 attempt to register an OST with duplicated index should fail but it does not
• is related to: LU-14928 Allow MD target re-registered after writeconf