Lines Matching +full:4 +full:- +full:channel

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 .
57 .It Sy channel [ Ns Ar pci_slot ] Ar port Ar name
58 Maps a physical path to a channel name (typically representing a single
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
80 .It Sy slot Ar prefix Ar new Op Ar channel
84 .Ar channel
86 then the mapping is only applied to slots in the named channel,
88 The first-specified
91 Therefore a channel-specific mapping for a given slot should generally appear
93 In this way a custom mapping may be applied to a particular channel
104 will handle only dm-multipath devices.
109 will examine the first running component disk of a dm-multipath
115 .Bl -tag -compact -width "sas_direct and scsi"
129 .Sy 4 .
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
178 phys_per_port 4
181 #       PCI_SLOT HBA PORT  CHANNEL NAME
182 channel 85:00.0  1         A
183 channel 85:00.0  0         B
184 channel 86:00.0  1         C
185 channel 86:00.0  0         D
187 # Custom mapping for Channel A
190 #    Slot       Slot      Channel
194 slot 4          6         A
198 slot 1          4
201 slot 4          3
204 A SAS-switch topology.
206 .Ar channel
208 .Bd -literal -compact -offset Ds
211 #       SWITCH PORT  CHANNEL NAME
212 channel 1            A
213 channel 2            B
214 channel 3            C
215 channel 4            D
219 Note that channel names have multiple definitions - one per physical path:
220 .Bd -literal -compact -offset Ds
223 #       PCI_SLOT HBA PORT  CHANNEL NAME
224 channel 85:00.0  1         A
225 channel 85:00.0  0         B
226 channel 86:00.0  1         A
227 channel 86:00.0  0         B
231 .Bd -literal -compact -offset Ds
235 #          PCI_ID      HBA PORT     CHANNEL NAME
236 channel    05:00.0     1            U
237 channel    05:00.0     0            L
238 channel    06:00.0     1            U
239 channel    06:00.0     0            L
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