HP 3PAR RedHat and Oracle Linux Implementation Guide

For RHEL 6.1
# cat /etc/multipath.conf
defaults {
polling_interval 10
max_fds 8192
}
devices {
device {
vendor "3PARdata"
product "VV"
no_path_retry 18
features "0"
hardware_handler "0"
path_grouping_policy multibus
getuid_callout "/lib/udev/scsi_id --whitelisted --device=/dev/%n"
path_selector "round-robin 0"
rr_weight uniform
rr_min_io 1
path_checker tur
failback immediate
}
}
For RHEL 5.6 or Later
# cat /etc/multipath.conf
defaults {
polling_interval 10
}
devices {
device {
vendor "3PARdata"
product "VV"
no_path_retry 18
features "0"
hardware_handler "0"
path_grouping_policy multibus
getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
path_selector "round-robin 0"
rr_weight uniform
rr_min_io 100
path_checker tur
failback immediate
}
}
For RHEL 4.x through RHEL 5.5
cat /etc/multipath.conf
defaults {
}
devices {
device {
vendor "3PARdata"
product "VV"
no_path_retry 18
features "0"
Setting Up Multipathing Software 51