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Failover Cluster in windows server 2012 r2

Gowrab Das Dip 21 Reputation points
2022-12-06T07:00:01.403+00:00

We want to add a new server in a existing failove cluster and also the connect the iscsi storage. but the disk or volume seem offline and when we want take it online, it shows the error message as the attached picture - " The specified disk or volume is managed by the microsoft Failover Clustering component.The disk must be in cluster maintenance mode and the cluster resource status must be online to perform this operation". kindly help us .

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Windows Server 2012
Windows Server 2012
A Microsoft server operating system that supports enterprise-level management, data storage, applications, and communications.
1,612 questions
Windows Server Clustering
Windows Server Clustering
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.Clustering: The grouping of multiple servers in a way that allows them to appear to be a single unit to client computers on a network. Clustering is a means of increasing network capacity, providing live backup in case one of the servers fails, and improving data security.
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  1. Michael Durkan 12,216 Reputation points MVP
    2022-12-10T12:24:38.047+00:00

    Hi @Gowrab Das Dip

    No, only one node can have ownership of a Cluster Shared Volume and the other nodes will show the disk as Reserved as per your screenshot above. You need to manage all disks from Failover Cluster Manager, not from indiviudual nodes.

    Thanks

    Michael

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  1. Michael Durkan 12,216 Reputation points MVP
    2022-12-06T11:14:49.24+00:00

    Hi

    If a disk is added to cluster, it would show as reserved on the node. And it could not be brought online on the node. It is normal behavior.

    Unless a disk is defined as a Cluster Shared Volume (CSV), ownership, i.e. ability to bring online, within the cluster is restricted to one node at a time. A volume is 'owned' by a single node of the cluster and controls all read/write access to that volume. You can change the ownership of the volume to a different node of the cluster, and it will then appear online on the new owning node and Reserved on the other node(s) of the cluster.

    How are the disks showing in failover cluster?

    Thanks

    Michael

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  2. Gowrab Das Dip 21 Reputation points
    2022-12-06T11:18:26.287+00:00

    Can we get the disk online in both node at time? Then what we have to do? will there be any problem on the production if we take the disks on maintenance mode?

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