[LU-15298] t-f:init_param_vars () defect: error: set_param: param_path 'lod/*/mdt_hash': No such file or directory

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.15.0
• Affects Version/s: Lustre 2.15.0

Epic/Theme

patch

• Severity: 3
• Assignee: Elena Gryaznova
• Reporter: Elena Gryaznova

Description

On failover setup where <mdtN>_HOST != <mdtNfailover>_HOST
"do_nodes $(comma_list $(mdts_nodes)) lctl set_param" fails:
set_param: param_path 'lod/*/mdt_hash': No such file or directory
if mdtN facet is active and up on <mdtNfailover>_HOST.

Introduced by 0a1cf8da80 ("LU-11025 dne: introduce new directory hash type: "crush"")