Hp Storage Mirroring Software Bedienungsanleitung Seite 344

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Workload protection Page 343 of 677
DNS
If you are using a Microsoft DNSserver, when Storage Mirroring Recover failover
occurs, DNS is not automatically updated. If the end-users use DNS to resolve server
names and the source IP address was not failed over to the target, additional DNS
updates will be required because the host records for the source will remain intact after
failover. You can automate this process by scripting the DNS updates in the failover and
failback scripts. You have two options for scripting the DNS updates.
l Windows DNSCMD command—The Windows Support Tools contain a DNS
Server Troubleshooting Tool utility. This utility includes the DNSCMD command
which can be scripted to delete and add host and reverse lookup entries in DNS.
l Storage Mirroring Recover DFO command—Storage Mirroring Recover also has a
utility, called the DFO (DNS Failover). The DFO command can be used to script
the deletion and addition of the host and reverse lookup entries in DNS. This utility
can be found on the product CD.
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