[LU-11376] Special file/dir to represent DAOS Containers

• Type: New Feature
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: Lustre 2.13.0
• Labels: patch
• Assignee: Bruno Faccini
• Reporter: Johann Lombardi

Description

Add support for a new extended attribute or special file/dir layout to represent in the Lustre namespace an external DAOS container identified by a UUID. The pro’s and con’s of both options will be presented at the LAD’18 and summarized in this ticket.

The purpose of this ticket is to track the effort to implement this feature.

Issue Links

• is related to: LU-7207 HSM: Add Archive UUID to delete changelog records
• is related to: LU-12104 SEGV during "lfs find [--mdt-count=[+,-]<count>, --mdt-hash=<hashtype>]"
• is related to: LUDOC-465 Add feature documentation for foreign layout
• is related to: LU-10606 HSM info as part of LOV layout xattr
• is related to: LU-12682 foreign LOV/LMV format usage implementation for DAOS specific use case