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An administrator wants to set a non-default isolation address of 192.168.1.2 for High Availability.
Which advanced setting would accomplish this task?
A. Das.isolationaddress0=192.168.1.2
B. Das.useisolationaddress0=192.168.1.2
C. Das.defaultisolationaddress0=192.168.1.2
D. Das.haisolationaddress0=192.168.1.2
Correct Answer: A
Explanation/Reference:
Explanation: Details
In VirtualCenter Server 2.0.2 and above, you can specify more than one isolation response address for VMware High Availability (HA). The use of multiple isolation response addresses offers VMware HA a potentially more accurate picture of the network connectivity of a host. There may be situations in which a single isolation address would indicate that a host is in a state of complete isolation from the network, but access to additional isolation addresses would show that only a partial network failure has occurred.
Solution
Multiple isolation response addresses can be specified using the das.isolationaddress0 through das.isolationaddress9options.
To specify the values for these options in Virtual Infrastructure Client:
1.Select the HA cluster.
2.On the Summary tab, click Edit Settings.
3.In the Settings dialog, select VMware HA.
4.Click Advanced Options.
5.In the Advanced Options (HA) dialog, enter the option name and the corresponding value:
Option: das.isolationaddress0
Value: A valid IP address other than the default gateway address
Similarly, you can set more isolation response addresses using das.isolationaddress1 throughdas.isolationaddress9.
6.In the Advanced Options (HA) dialog box, set this option:
Option: das.usedefaultisolationaddress Value: false
Notes:
You must set this option if you are setting multiple isolation response addresses.
Additionally you should configure das.usedefaultisolationaddress to false when the default gateway is a device which cannot be pinged.
7.Click OK.
8.Click OK.
9.Edit settings for the cluster again.
10.Disable HA and click OK.
11.Edit settings again.
12.Enable HA and click OK.
Reference: https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1002117
