Red Hat ENTERPRISE LINUX 5 DM MULTIPATH Configuration And Administration Manual page 31

Attribute
flush_on_last_del
product_blacklist
Table 4.3. Device Attributes
The following example shows a device entry in the multipath configuration file.
# }
# device {
# vendor "COMPAQ
# product "MSA1000
# path_grouping_policy multibus
# path_checker
# rr_weight priorities
# }
#}
Description
(RHEL 5.3 and later) If set to yes, the multipathd daemon will
disable queueing when the last path to a device has been deleted.
The default value is no.
Specifies a regular expression used to blacklist devices by
product.
"
"
tur
Configuration File Devices
21