Multipaths Device Configuration Attributes - Red Hat DEVICE-MAPPER MULTIPATH 4.6 Configuration And Administration Manual

Chapter 4. The DM-Multipath Configuration File
Attribute
no_path_retry
user_friendly_names
bindings_file
Table 4.1. Multipath Configuration Defaults

4. Multipaths Device Configuration Attributes

Table 4.2, "Multipath Attributes"
of the
multipath.conf
apply only to the one specified multipath. These defaults are used by DM-Multipath and override
attributes set in the
defaults
Attribute
wwid
alias
path_grouping_policy
20
Description
A value of
manual
operator intervention.
The default value is
A numeric value for this attribute specifies the number of
times the system should attempt to use a failed path before
disabling queueing.
A value of
fail
A value of
queue
the path is fixed.
The default value is (null).
If set to , specifies that the system should using the
yes
bindings file
/var/lib/multipath/bindings
persistent and unique alias to the multipath, in the form of
. If set to
mpathn
the WWID as the alias for the multipath. In either case, what
is specified here will be overriden by any device-specific
aliases you specify in the
configuration file. The default value is
The location of the
user_friendly_names
/var/lib/multipath/bindings
shows the attributes that you can set in the
configuration file for each specific multipath device. These attributes
and sections of the
devices
Description
Specifies the WWID of the multipath device to which the
attributes apply.
multipath
Specifies the symbolic name for the multipath device to which
the
multipath
Specifies the default path grouping policy to apply to
unspecified multipaths. Possible values include:
= 1 path per priority group
failover
= all valid paths in 1 priority group
multibus
specifies that failback can happen only with
.
manual
indicates immediate failure, without queuing.
indicates that queuing should not stop until
, specifies that the system should use use
no
multipaths
file that is used with the
bindings
option. The default value is
.
multipath.conf
attributes apply.
to assign a
section of the
.
no
section
multipaths
file.