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D32825.id98081.diff
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diff --git a/share/man/man4/scsi.4 b/share/man/man4/scsi.4
--- a/share/man/man4/scsi.4
+++ b/share/man/man4/scsi.4
@@ -242,16 +242,32 @@
hint.nda.11.unit="2"
.Ed
.Pp
-This assigns the NVMe card living at PCI bus 7 to scbus 10 (in PCIe,
-slot and function are rarely used and usually 0).
+This assigns the NVMe card living at PCI bus 7 slot 0 function 1 to scbus 10.
The target for
.Xr nda 4
devices is always 1.
The unit is the namespace identifier from the drive.
The namespace id 1 is exported as
-.Tn nda10
+.Em nda10
and namespace id 2 is exported as
-.Tn nda11 .
+.Em nda11 .
+.Pp
+For devices that provide a serial number, units may be wired to that serial
+number without regard where the drive is attached:
+.Bd -literal -offset indent
+hint.nda.3.sn="CY0AN07101120B12P"
+hint.da.44.sn="143282400011"
+hint.ada.2.sn="A065D591"
+.Ed
+wires
+.Em nda3 ,
+.Em da44 ,
+and
+.Em ada2
+to drives with the specified serial numbers.
+One need not specify an
+.Em at
+line when serial numbers are used.
.Sh ADAPTERS
The system allows common device drivers to work through many different
types of adapters.
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