Installation guide

Appendix 3: Example multipath.conf for P2000 array

### Do not edit the first two lines of this file or remove this file

### HP Device Mapper Multipath Enablement Kit v4.4.1

### The Device Mapper Multipath Template configuration file for RHEL5U4

### or later releases to be used with HP StorageWorks Arrays.

### Use this configuration file as your /etc/multipath.conf file.

### If you already have a valid working configuration file, refer here

### for the recommended configuration for HP arrays.

### For a list of configuration options with descriptions, please refer

### to /usr/share/doc/<multipath-tools-version>/multipath.conf.annotated

# The defaults section

defaults {

udev_dir /dev

polling_interval 10

selector "round-robin 0"

path_grouping_policy failover

getuid_callout "/sbin/scsi_id -g -u -s /block/%n"

#prio_callout "/bin/true"

prio "alua"

path_checker tur

rr_min_io 100

rr_weight uniform

failback immediate

no_path_retry 12

user_friendly_names yes

uid 500

gid 500

}

# The blacklist section - use this to blacklist a multipath device based on

# its wwid ( using wwid ) or device names ( using devnode ) or

# vendor and product id ( using device block).

blacklist {

# wwid 26353900f02796769

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]*"

# device {

# vendor "HP"

# product "OPEN-*"

# }

}

# The blacklist_exceptions section - to list device names to be treated

# as multipath candidates even if they are on the blacklist.

# Note: blacklist exceptions are only valid in the same class.

# It is not possible to blacklist devices using the devnode keyword

# and to exclude some devices of them using the wwid keyword.

#blacklist_exceptions {