5.5 HP StorageWorks X9300 Network Storage Gateway Administrator Guide (AW539-96007, March 2011)

• The management console must have access to both the primary server and its standby.
• The same file system must be mounted on both the primary server and its standby.
• A server identified as a standby must be able to see all segments that might fail over to it.
• In a SAN environment, a primary server and its standby must use the same storage infrastructure
to access a segment’s physical volumes (for example, a multiported RAID array).
To identify a standby for a file serving node, use the following command:
<installdirectory>/bin/ibrix_server -b -h HOSTNAME1,HOSTNAME2
For example, to identify node s2.hp.com as the standby for all segments on node s1.hp.com:
<installdirectory>/bin/ibrix_server -b -h s1.hp.com,s2.hp.com
For performance reasons, you might want to fail over specific segments to a standby instead of failing
over all segments on a node to a standby. Use this command to identify the segments:
<installdirectory>/bin/ibrix_fs -b -f FSNAME -s LVLIST -h HOSTNAME
For example, to identify node s1.hp.com as the standby for segments ilv_1, ilv_2, and ilv_3 in file
system ifs1:
<installdirectory>/bin/ibrix_fs -b -f ifs1 -s ilv_1,ilv_2,ilv_3 -h s1.hp.com
Identifying power sources
To implement automated failover, perform a forced manual failover, or remotely power a file serving
node up or down, you must set up programmable power sources for the nodes and their standbys.
Using programmable power sources prevents a “split-brain scenario” between a failing file serving
node and its standby, allowing the failing server to be centrally powered down by the management
console in the case of automated failover, and manually in the case of a forced manual failover.
X9000 Software works with iLO, IPMI, OpenIPMI, and OpenIPMI2 integrated power sources and
with APC power sources.
Preliminary configuration
Certain configuration steps are required when setting up power sources:
• All types. If you plan to implement automated failover, ensure that the management console has
LAN access to the power sources.
• Integrated power sources. Install the environment and any drivers and utilities, as specified by the
vendor documentation. If you plan to protect access to the power sources, set up the UID and
password to be used.
• APC. Enable SNMP access. Set the Community Name to ibrix and the Access Type to write+.
If write+ does not work with your configuration, set the Access Type to write.
Identifying power sources
All power sources must be identified to the configuration database before they can be used.
Integrated power sources. To identify an integrated power source, use the following command:
<installdirectory>/bin/ibrix_powersrc -a -t {ipmi|openipmi|openipmi2|ilo}
-h HOSTNAME -I IPADDR -u USERNAME -p PASSWORD
For example, to identify an iLO power source at IP address 192.168.3.170 for node ss01:
<installdirectory>/bin/ibrix_powersrc -a -t ilo -h ss01 -I 192.168.3.170
-u Administrator -p password
Configuring failover28