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Question 83 - NCP-MCI-6.5 discussion

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What requires iSCSI initiator configuration in the guest OS to use Volumes?

A.
SQL Server Always On Availability Group
Answers
A.
SQL Server Always On Availability Group
B.
Microsoft Windows Failover Cluster
Answers
B.
Microsoft Windows Failover Cluster
C.
Oracle RAC
Answers
C.
Oracle RAC
D.
Exchange DAG
Answers
D.
Exchange DAG
Suggested answer: B

Explanation:

The only option that requires iSCSI initiator configuration in the guest OS to use Volumes is Microsoft Windows Failover Cluster.Volumes is an enterprise-class, software-defined block storage solution that exposes storage resources directly to virtualized guest operating systems or physical hosts using the iSCSI protocol7. To use Volumes, customers need to configure iSCSI initiators on their hosts or guest OSes. However, some applications or services can use native storage adapters instead of iSCSI initiators when running on AHV VMs. These include:

SQL Server Always On Availability Group: This is a high availability and disaster recovery solution for SQL Server databases that uses Windows Server Failover Clustering (WSFC) and Availability Groups (AGs) as its core components. When running on AHV VMs, SQL Server Always On Availability Group can use native storage adapters instead of iSCSI initiators.

Oracle RAC: This is a clustered database system that provides high availability and scalability for Oracle databases. When running on AHV VMs, Oracle RAC can use native storage adapters instead of iSCSI initiators.

Exchange DAG: This is a group of up to 16 mailbox servers that hosts a set of databases and provides automatic database-level recovery from failures that affect individual servers or databases. When running on AHV VMs, Exchange DAG can use native storage adapters instead of iSCSI initiators.

asked 23/09/2024
Vishal Vitthal Pawar
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