使用卷组恢复保护域实体时会发生什么

  • 2020年11月18日
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当对具有不同集群上的卷组的虚拟机进行恢复时，为了连接到恢复的卷组，需要对客户操作系统进行更改。

由于主站点的数据服务IP地址将不再有效，guest OS将使用从站点的数据服务IP地址连接到卷组。此外，客户操作系统上的所有其他SCSI目标IP地址也将被删除。

另一个变化是虚拟机的IQN。当恢复卷组时，IQN将用恢复卷组时的时间戳更新。这允许在必要时对卷组进行多次恢复。因此，客户OS iSCSI配置中的IQN也需要更改。虚拟机挂载了Nutanix Guest Tools (NGT) CD，以方便更改iSCSI配置，因此不需要手动更改。

有关上述恢复过程的更多信息，可以在支持门户中找到在这里．

When performing a restoration of a VM with a volume group on a different cluster, changes are made to the guest OS in order to connect to the restored volume group.<\/p>

Since the primary site\u2019s data services IP address will no longer be valid, the guest OS will connect to the volume groups using the secondary site\u2019s data services IP address. Also, all other SCSI target IP addresses on the guest OS will be removed.<\/p>

Another change that occurs is the IQN of the VM. When the volume group is restored, the IQN is updated with the timestamp of when the volume group was recovered. This allows for multiple restorations of the volume group if necessary. Therefore, the IQN needs to be changed in the guest OS iSCSI configuration as well. The Nutanix Guest Tools (NGT) CD is mounted on the VM to facilitate this iSCSI configuration change so that no manual changes are required.<\/p>

More information about the above restoration process can be found in the Support Portal here<\/a>.<\/p>","quoteUsername":"nirmal.ravirajan-57912","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">

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