HP Storage Mirroring V5.1 Software - Manual (Page 117)

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Full qualified domain name of the source—Alpha.domain.com
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Source IP address—192.168.1.108
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Fully qualified domain name of the target—Beta.domain.com
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Target IP address—116.123.2.47
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Fully qualified domain name of the DNS server—DNSServer.domain.com
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DNS zone—domain.com
You would add the following to your failover script to delete the host and reverse lookup entries and
add new entries associating the source to the target.
Sample Post-Failover Script for DNS Updates Using DNSCMD
You would add the following to your failback script to delete the host and reverse lookup entries and
add new enties associating the source with its original identity.
Sample Post-Failback Script for DNS Updates Using DNSCMD
See your Windows documentation or the Microsoft web site for more details on the DNSCMD
command.
Storage Mirroring DFO command
DNS updates can be added to your failover and failback scripts by using the Storage Mirroring DFO
utility as long as the utility has been registered and the proper privileges are configured.
1. Extract the DFO utility to the location where the Storage Mirroring program files are installed on
the target.
2. From a command prompt, change to the Storage Mirroring program files directory and register
the DFO utility by entering the following command.
regsvr32 capicom.dll
3. Create a user account that has full control on the WMI DNS namespace on the source’s primary
DNS server.
a. Select Start, Run, and specify mmc.
b. After the Microsoft Management Console starts, select File , Add/Remove Snap-in.
c. Click Add, select WMI Control, click Add again, confirm the local computer is selected, and
then click Finish.
d. Close the snap-in dialog box and then click OK to return to the console.
e. Right-click WMI Control and select Properties.
f. On the Security tab, expand the tree under Root.
g. Select MicrosoftDNS and click Security.
h. Click Add and identify the user account that you want the DFO utility to use.
i. Grant the user account permissions for Execute Methods, Full Write, Partial Write, Provider
Write, Enable Account, Remote Enable, and Read Security.
j. Click OK to close all open dialog boxes and then close the console.
dnscmd DNSServer.domain.com /RecordDelete domain.com alpha A 192.168.1.108 /f
dnscmd DNSServer.domain.com /RecordDelete 192.168.in-addr.arpa 108.1 PTR
alpha.domain.com /f
dnscmd DNSServer.domain.com /RecordAdd domain.com alpha A 116.123.2.47
dnscmd DNSServer.domain.com /RecordAdd 116.123.in-addr.arpa 47.2 PTR
alpha.domain.com
dnscmd DNSServer.domain.com /RecordDelete domain.com alpha A 116.123.2.47 /f
dnscmd DNSServer.domain.com /RecordDelete 116.123.in-addr.arpa 47.2 PTR
alpha.domain.com /f
dnscmd DNSServer.domain.com /RecordAdd domain.com alpha A 192.168.1.108
dnscmd DNSServer.domain.com /RecordAdd 192.168.in-addr.arpa 108.1 PTR
alpha.domain.com