PUBLIC REVIEW: SNIA Multipath Management API

Arnold Jones td at
Tue Oct 26 10:01:02 PDT 2004

* From the T10 Reflector (t10 at, posted by:
* Arnold Jones <td at>


The SNIA OS-Attach Workgroup, a sub-group of the Disk Resource
Management (DRM) Technical Work Group, has created and reviewed the
Multipath Management API Specification and would like review feedback
|from a wider community. This API allows a management application to
discover the multipath devices on the current system and to discover
the associated local and device ports. An implementation of the API may
optionally include active management (failover, load balancing, manual
path overrides). The API uses an architecture that allows multiple MP
drivers installed on a system to each provide plugins to a common
library. The plugins can support multipath drivers bundled with an OS,
or drivers associated with an HBA, target device, or volume manager.
This API can be used by host-based management applications and will
also be included in the SMI-S Host Discovered Resources Profile for
enterprise-wide multipath discovery and management.

The DRAFT document is available at:

This review ends 11/19/2004. Please send comments to the OS-Attach
SNIA workgroup os-attach at

Thanks ...

- Arnold

Arnold Jones
Technical Director
Storage Networking Industry Association (SNIA)
td at

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