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computing:storage:windows_storage [2012/10/27 13:17] gcooper |
computing:storage:windows_storage [2014/07/08 10:35] (current) gcooper |
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+ | * Cluster Shared Volumes are volumes in a failover cluster that multiple nodes can read from and write to at the same time | ||
* This feature enables multiple nodes to concurrently access a single shared volume | * This feature enables multiple nodes to concurrently access a single shared volume | ||
* CSV is supported on WS2008R2 and newer | * CSV is supported on WS2008R2 and newer | ||
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==== Failover Clusters ==== | ==== Failover Clusters ==== | ||
+ | See also **[[virtualization: | ||
+ | |||
+ | * All servers in the cluster must be in the same Active Directory domain | ||
* Use basic disks, not dynamic disks | * Use basic disks, not dynamic disks | ||
* Format the partitions with NTFS | * Format the partitions with NTFS | ||
* Partition disks with MBR or GPT partition tables | * Partition disks with MBR or GPT partition tables | ||
+ | * Do not expose the clustered volumes to servers that are not in the cluster | ||
+ | * A witness disk holds a copy of the cluster configuration database | ||
+ | * Failover Clusters can use Cluster Shared Volumes | ||
+ | * Use Microsoft Multipath I/O (MPIO) for highly available storage | ||
+ | * :?: Requires Windows Server 2008 R2 Enterprise or Windows Server 2008 R2 Datacenter | ||
+ | * Also available on Hyper-V Server 2012 | ||
+ | |||
+ | === Two-Node Cluster === | ||
+ | |||
* For a two-node failover cluster, the storage should contain at least two separate volumes (LUNs) configured at the hardware level | * For a two-node failover cluster, the storage should contain at least two separate volumes (LUNs) configured at the hardware level | ||
- | * Do not expose the clustered volumes to servers that are not in the cluster | ||
* One volume will function as the witness disk | * One volume will function as the witness disk | ||
* One volume will contain the files that are being shared between the cluster nodes | * One volume will contain the files that are being shared between the cluster nodes | ||
* This volume serves as the shared storage on which you will create the virtual machine and the virtual hard disk | * This volume serves as the shared storage on which you will create the virtual machine and the virtual hard disk | ||
+ | ===== MPIO ===== | ||
+ | |||
+ | :!: When configuring iSCSI Discovery and iSCSI Targets, be sure to click the ' | ||
+ | |||
+ | * Local Adapter | ||
+ | * Intiator IP | ||
+ | * Target Portal IP | ||
+ | |||
+ | **New Features**: http:// | ||
+ | |||
+ | **MPIO Policies**: http:// | ||
+ | |||
+ | **'' | ||
+ | |||
+ | **Best Practices**: | ||
+ | |||
+ | **How To**: http:// | ||
+ | |||
+ | **Another How To**: http:// |