MPATH(4) | Device Drivers Manual | MPATH(4)

# NAME

`mpath` — SCSI multipath

# SYNOPSIS

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

`mpath0 at root`

# DESCRIPTION

`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).

# SEE ALSO

ioctl(2), emc(4), hds(4), intro(4), rdac(4), scsi(4), sym(4)

# HISTORY

The `mpath` driver first appeared in OpenBSD 4.7.

# AUTHORS

David Gwynne <dlg@openbsd.org>.

July 16, 2013 | Debian