52 lines
2.1 KiB
Diff
52 lines
2.1 KiB
Diff
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---
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multipath/multipath.conf.5 | 26 +++++++++++++++++++-------
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1 file changed, 19 insertions(+), 7 deletions(-)
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Index: multipath-tools/multipath/multipath.conf.5
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===================================================================
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--- multipath-tools.orig/multipath/multipath.conf.5
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+++ multipath-tools/multipath/multipath.conf.5
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@@ -39,9 +39,8 @@ section in which they occor.
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The following \fIsection\fP keywords are recognized:
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.TP 17
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.B defaults
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-This section defines default values for attributes which are used
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-whenever no specific setting is given in the appropriate device or
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-multipath sections.
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+This section defines default settings for devices-mapper-multipath. These
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+values can be overwritten by the devices and multipaths sections.
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.TP
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.B blacklist
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This section defines which devices should be excluded from the
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@@ -54,13 +53,26 @@ multipath topology discovery, despite be
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section.
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.TP
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.B multipaths
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-This section defines the multipath topologies. They are indexed by a
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-\fIWorld Wide Identifier\fR(wwid), which is the result of the
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-\fIgetuid_callout\fR program.
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+This section defines the settings for individual multipath devices.
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+These values overwrite what is specified in the defaults and devices
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+section of the configuration file.
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+The devices are identified by the \fIwwid\fR keyword, which is a regular
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+expression that must match the result of the \fIgetuid_callout\fR program.
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.TP
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.B devices
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-This section defines the device-specific settings.
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+This section defines the settings for individual storage controller types.
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+These value overwrite what is specified in the defaults section of the
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+configuration file.
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+These controller types are identified by the \fIvendor\fR, \fIproduct\fR, and
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+\fIrevision\fR keywords, which are regular expressions that must match the
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+sysfs information about this device.
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+If you are using a storage array that is not supported by default, you may need
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+to create a devices subsection for your array.
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.RE
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+.P
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+The priority of configuration in multipath.conf is:
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+.br
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+\fImultipaths\fR is greater than \fIdevices\fR is greater that \fIdefaults\fR
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.LP
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.SH "defaults section"
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The
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