Device Mapper Multipath Enablement Kit for HP StorageWorks Disk Arrays v4.2.1 release notes (AA-RWF9H-TE, March 2009)

For XP
device
{
vendor "HP"
product "OPEN-.*"
path_grouping_policy multibus
getuid_callout "/lib/udev/scsi_id -g -u /dev/%n"
path_selector "round-robin 0"
rr_weight uniform
path_checker tur
hardware_handler "0"
failback immediate
no_path_retry 12
rr_min_io 1000
}
For MSA A/A arrays
device
{
vendor "HP"
product "MSA VOLUME*"
path_grouping_policy group_by_prio
getuid_callout "/lib/udev/scsi_id -g -u /dev/%n"
path_checker tur
path_selector "round-robin 0"
prio alua
rr_weight uniform
failback immediate
hardware_handler "0"
no_path_retry 12
rr_min_io 100
}
For MSA2012sa
device
{
vendor "HP"
product "MSA2012sa"
path_grouping_policy group_by_prio
getuid_callout "/lib/udev/scsi_id -g -u /dev/%n"
path_checker tur
path_selector "round-robin 0"
prio alua
rr_weight uniform
failback immediate
hardware_handler "0"
no_path_retry 18
rr_min_io 100
Device Mapper Multipath Enablement Kit for HP StorageWorks Disk Arrays v4.2.1 release notes 7
}