Add LUN lifecycle management tools (create, resize, delete, online/offline)

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Summary

Add dedicated MCP tools for LUN (Logical Unit Number) lifecycle management to support SAN (iSCSI and FC) storage provisioning.

Background

Per SPSPM-2247, the ONTAP MCP server should support iSCSI and FC LUN management. Currently there are no LUN-specific tools — only NAS (NFS/CIFS) provisioning is supported.

Proposed Tools

• create_lun — Create a LUN on a specified volume/SVM with size and OS type
• update_lun — Resize a LUN, rename, change attributes
• delete_lun — Delete a LUN
• online/offline — Toggle LUN state via update

ONTAP REST API Endpoints

• POST /api/storage/luns
• PATCH /api/storage/luns/{uuid}
• DELETE /api/storage/luns/{uuid}

Priority

High — Core SAN gap; prerequisite for iSCSI and FC provisioning workflows.

Related

• Jira: SPSPM-2247
• Depends on: igroup management and LUN mapping for complete SAN workflows