MPATH(4) BSD Kernel Interfaces Manual MPATH(4)
mpath -- SCSI multipath
emc* at scsibus?
hds* at scsibus?
rdac* at scsibus?
sym* at scsibus?
mpath0 at root
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).
ioctl(2), emc(4), hds(4), intro(4), rdac(4), scsi(4), sym(4)
The mpath driver first appeared in OpenBSD 4.7.
David Gwynne <email@example.com>.
BSD April 30, 2017 BSD