[LU-13944] t-f: add ability to set clients parameters

• Type: Improvement
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.14.0
• Affects Version/s: Lustre 2.12.5

Epic/Theme

patch

• Assignee: Elena Gryaznova
• Reporter: Elena Gryaznova

Description

Patch adds the ability to set clients parameters via CLIENT_LCTL_SETPARAM_PARAM.
Example:
CLIENT_LCTL_SETPARAM_PARAM="lbug_on_eviction=1 debug=-1 "
sets lbug_on_eviction=1 and debug=-1 on all clients.

The ability to set clients parameters makes failures investigation more effective.