Installation guide

evalfile("/usr/local/cluster/follow-service.sl");

follow_service("service:rhc_ascs", "service:rhc_ers",

"service:rhc_ascs");

</event>

notice("Event node triggered!");

evalfile("/usr/local/cluster/follow-service.sl");

follow_service("service:rhc_ascs", "service:rhc_ers",

"service:rhc_ascs");

</event>

</events>

</rm>

</cluster>

Appendix B: multipath.conf

The following /etc/multipath.conf file content was used during testing.

## This is the /etc/multipath.conf file recommended for

## EMC storage devices.

## OS : RHEL 4 U3

## Arrays : CLARiiON and Symmetrix

## 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

}

## The blacklist is the enumeration of all devices that are to be

## excluded from multipath control

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.

#wwid 35005076718 d4224d

#wwid 3600a0b800026105200000412456baf9f

device {

vendor "ATA"

product ".*"

}

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.

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