Lines Matching +full:num +full:- +full:channels

1 .\" SPDX-License-Identifier: CDDL-1.0
35 .Bl -tag -width "-h"
42 A defined alias takes precedence over a topology-derived name, but the
50 .Pa /dev/disk/by-vdev .
63 .Pa /dev/by-enclosure
75 .Pa /dev/by-enclosure/ Ns Ao Ar prefix Ac Ns - Ns Ao Ar channel Ac Ns Aq Ar num
87 otherwise the mapping is applied to all channels.
88 The first-specified
91 Therefore a channel-specific mapping for a given slot should generally appear
104 will handle only dm-multipath devices.
109 will examine the first running component disk of a dm-multipath
114 mapped to channels:
115 .Bl -tag -compact -width "sas_direct and scsi"
117 channels are uniquely identified by a PCI slot and HBA port number
119 channels are uniquely identified by a SAS switch port number
122 .It Sy phys_per_port Ar num
136 .Bl -tag -compact -width "port"
149 Useful for multi-lun multi-actuator hard drives.
166 .Bl -tag -width "-v v"
173 A non-multipath configuration with direct-attached SAS enclosures and an
174 arbitrary slot re-mapping:
175 .Bd -literal -compact -offset Ds
204 A SAS-switch topology.
208 .Bd -literal -compact -offset Ds
219 Note that channel names have multiple definitions - one per physical path:
220 .Bd -literal -compact -offset Ds
231 .Bd -literal -compact -offset Ds
242 .Bd -literal -compact -offset Ds
243 /dev/by-enclosure/enc-L0
244 /dev/by-enclosure/enc-L1
245 /dev/by-enclosure/enc-U0
246 /dev/by-enclosure/enc-U1
250 .Bd -literal -compact -offset Ds
251 #     by-vdev
253 alias d1       /dev/disk/by-id/wwn-0x5000c5002de3b9ca
254 alias d2       wwn-0x5000c5002def789e