Red Hat DEVICE-MAPPER MULTIPATH 5.2 Uživatelský manuál stáhnout pdf (Strana 26)

DotHill – Linux Device Mapper Multipath “How To” for Storage Revision 4

# # desc : symbolic name for the multipath

# #

# alias yellow

# #

# # name : path_grouping_policy

# # scope : multipath

# # desc : path grouping policy to apply to this multipath

# # values : failover = 1 path per priority group

# # multibus = all valid paths in 1 priority

# # group

# # group_by_serial = 1 priority group per detected

# # serial number

# # group_by_prio = 1 priority group per path

# # priority value

# # group_by_node_name = 1 priority group per target

# # node name

# # default : failover

# #

# path_grouping_policy multibus

# #

# # name : path_selector

# # desc : the path selector algorithm to use for this mpath

# # these algo are offered by the kernel mpath target

# # values : "round-robin 0"

# # default : "round-robin 0"

# #

# path_selector "round-robin 0"

# #

# # name : failback

# # scope : multipathd

# # desc : tell the daemon to manage path group failback, or

# # not to. 0 means immediate failback, values >0 means

# # deffered failback expressed in seconds.

# # values : manual|immediate|n > 0

# # default : immediate

# #

# failback manual

# #

# # name : rr_weight

# # scope : multipath

# # desc : if set to priorities the multipath configurator will

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Red Hat DEVICE-MAPPER MULTIPATH 5.2 Uživatelský manuál Strana 26