[LU-3788] add "lctl set_param -P" to lctl.8 man page

• Type: Technical task
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.5.0
• Affects Version/s: Lustre 2.5.0
• Labels: patch
• Assignee: Andreas Dilger
• Reporter: Andreas Dilger

Description

Need to add description for "lctl set_param -P" feature to lustre/doc/lctl.8 man page. This needs to clearly state that parameters set using "-P" are only visible to 2.5.0 and later clients, older clients will not see these parameters.