Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx> --- multipath/multipath.conf.5 | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/multipath/multipath.conf.5 b/multipath/multipath.conf.5 index 97695da4..dab1d58f 100644 --- a/multipath/multipath.conf.5 +++ b/multipath/multipath.conf.5 @@ -1678,6 +1678,41 @@ section: .RE .PD .LP +The device subsection also recognizes the optional \fIprotocol\fR subsection. A +single device subsection can contain multiple protocol subsections. Devices are +matched against the protocol subsection using the mandatory \fItype\fR +attribute. Attributes in a matching protocol subsection take precedence over +attributes in the containing device subsection. If there are multiple matching +protocol subsections within a device subsection, later entries take precedence. +If there are multiple matching device subsections, attributes in later device +subsections still take precedence over attributes in a protocol subsection of +an earlier device subsection. +.TP +.B protocol subsection +The protocol subsection recognizes the following mandatory attribute: +.RS +.TP +.B type +The protocol string of the path device. The possible values are \fIscsi:fcp\fR, +\fIscsi:spi\fR, \fIscsi:ssa\fR, \fIscsi:sbp\fR, \fIscsi:srp\fR, +\fIscsi:iscsi\fR, \fIscsi:sas\fR, \fIscsi:adt\fR, \fIscsi:ata\fR, +\fIscsi:unspec\fR, \fIccw\fR, \fIcciss\fR, \fInvme\fR, and \fIundef\fR. This is +\fBnot\fR a regular expression. the path device protcol string must match +exactly. The protocol that a path is using can be viewed by running +\fBmultipathd show paths format "%d %P"\fR +.LP +The following attributes are optional; if not set, the default values are taken +from the containing \fIdevice\fR subsection: +.sp 1 +.PD .1v +.RS +.TP +.B fast_io_fail_tmo +.TP +.B dev_loss_tmo +.TP +.B eh_deadline +.PD . . .\" ---------------------------------------------------------------------------- @@ -1764,6 +1799,9 @@ the values are taken from the \fIdevices\fR or \fIdefaults\fR sections: .RE .PD .LP +The overrides section also recognizes the optional \fIprotocol\fR subsection +and can contain multiple protocol subsections. For a full description of this +subsection please see its description in the \fIdevices\fR section. . . .\" ---------------------------------------------------------------------------- -- 2.17.2 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
