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computing:storage:windows_storage [2012/10/27 12:16] gcooper |
computing:storage:windows_storage [2014/07/08 10:35] (current) gcooper |
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===== Implementing Shared Storage ===== | ===== Implementing Shared Storage ===== | ||
- | The precise method of deploying any given shared storage scheme will vary depending on the hardware and software you are using. The basic process is to implement | + | The precise method of deploying any given shared storage scheme will vary depending on the hardware and software you are using. |
+ | |||
+ | The basic process is to: | ||
+ | |||
+ | - Implement | ||
+ | - Connect | ||
+ | - Add the hosts into a Failover Cluster. | ||
==== Cluster Shared Volumes ==== | ==== Cluster Shared Volumes ==== | ||
+ | http:// | ||
+ | |||
+ | http:// | ||
+ | |||
+ | http:// | ||
+ | |||
+ | * 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 | ||
* CSV is supported on WS2008R2 and newer | * CSV is supported on WS2008R2 and newer | ||
+ | * Failover Cluster Manager | ||
+ | * '' | ||
+ | * CSVs are created from Physical Disk Resources (PDR) | ||
+ | * Must pass all tests in the Validate a Configuration Wizard | ||
+ | * Included in the Failover Cluster Manager MMC snap-in | ||
+ | * Use matching computers that contain either the same or similar features | ||
+ | * You cannot use teamed network adapters with iSCSI | ||
- | http:// | + | ==== Failover Clusters ==== |
+ | |||
+ | See also **[[virtualization: | ||
+ | |||
+ | * All servers in the cluster must be in the same Active Directory domain | ||
+ | * Use basic disks, not dynamic disks | ||
+ | * Format the partitions with NTFS | ||
+ | * 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 | ||
+ | * One volume will function as the witness disk | ||
+ | * 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 | ||
+ | |||
+ | ===== 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**: | ||
+ | |||
+ | **'' | ||
+ | |||
+ | **Best Practices**: | ||
+ | |||
+ | **How To**: http:// | ||
+ | **Another How To**: http:// |