mpath(4)

mpath4

Scsi multipath

Usage

emc* at scsibus? hds* at scsibus? rdac* at scsibus? sym* at scsibus?

mpath0 at root

Overview

mpath provides access, I/O multiplexing, and failover support to SCSI logical units that can have multiple physical connections to the system. It uses connections presented by path drivers, for example sym(4), as backends to a single device attached to its own scsibus(4).

Releases

35 releases since OpenBSD 4.7; the text changed 3 times.

  1. 4.7–4.9
  2. 5.0–5.2
  3. 5.3
  4. 5.4–8.0

History

The mpath driver first appeared in OpenBSD 4.7.

Authors

David Gwynne ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.