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mulitpath.conf for EMC

# $DateTime$ $Change$ $Revision$ $Author$
#
## Use user friendly names, instead of using WWIDs as names.
defaults {
## Use user friendly names, instead of using WWIDs as names.
user_friendly_names yes
#polling_interval 15
}

## The blacklist is the enumeration of all devices that are to be
## excluded from multipath control
devnode_blacklist {
## Replace the wwid with the output of the command
## 'scsi_id -g -u -s /block/[internal scsi disk name]'
## Enumerate the wwid for all internal scsi disks.
## Optionally, the wwid of VCM database may also be listed here.
##
devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
devnode "^hd[a-z][0-9]*"
devnode "^cciss!c[0-9]d[0-9]*"
}

devices {
## Device attributes requirements for EMC Symmetrix
## are part of the default definitions and do not require separate
## definition.
## Device attributes for EMC CLARiiON
# clariion in active-passive
device {
vendor "DGC "
product "*"
path_grouping_policy group_by_prio
getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
prio_callout "/sbin/mpath_prio_emc /dev/%n"
path_checker emc_clariion
path_selector "round-robin 0"
features "1 queue_if_no_path"
no_path_retry 300
hardware_handler "1 emc"
failback immediate
}
# clariion in active-active
#device {
# vendor "DGC "
# product "*"
# path_grouping_policy multibus
# getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
# path_selector "round-robin 0"
# features "0"
# hardware_handler "0"
# failback immediate
#}
}
multipaths {
}


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