Dell PowerVault MD3000i- User Manual

PLANNING FOR HYPER-V November 09  Page  5   http://go.microsoft.com/fwlink/?LinkId=111228 You also can check the Dell-supported hardware for Microsoft Hyper-V contained in the Dell Solutions Overview Guide for Microsoft Hyper-V . http://support.dell.com/support/edocs/software/HyperV/en If you need a...

PLANNING FOR HYPER-V November 09  Page  7   Planning the SAS Direct Attach Installation with the Dell PowerVault MD3000 Storage Array The Dell PowerVault MD3000 storage array, with SAS host interface connectivity, can connect with up to four servers. The configuration that you choose depends on the ...

PLANNING FOR HYPER-V November 09  Page  8   Figure 1 Dell PowerVault MD3000 Storage Array Configuration • RAID level An appropriate RAID level should be chosen based on your applications. RAID 1 or higher provides some level of redundancy that is useful in the case of failed physical disks. Each RAI...

PLANNING FOR HYPER-V November 09  Page  10   Power    Connect the MD3000i power supplies to separate power sources. This connection ensures that if one component fails due to a power issue, the alternative path continues to work. Security   To secure data across an IP SAN, implement a physically ind...

PLANNING FOR HYPER-V November 09  Page  12   Note: PowerConnect switches default to flow control being off. The Dell PowerVault MD3000i storage array auto-configures to the switch when the flow control is turned on. Unicast   Storm   Control   A traffic “storm” occurs when a large outpouring of IP p...

PLANNING FOR HYPER-V November 09  Page  13   disks among the controllers and modify them to balance I/O access so as to balance controller utilization. Layer   3   Optimization    Differentiated Services (DiffServ) provides a good method for managing your network traffic. Some switches have a propri...

PLANNING FOR HYPER-V November 09  Page  14   Figure 3 Dell PowerVault MD3000 Storage System (SAS) Cabling Configuration Connecting the Dell PowerVault MD3000i Storage Array For the iSCSI-based Dell PowerVault MD3000i storage array, you must have two NICs for I/O to the storage array for each server....

PLANNING FOR HYPER-V November 09  Page  15   The Module Disk Storage Manager comes with the device-specific module (DSM) for Microsoft multipath I/O (MPIO). MPIO provides load balancing between the two ports of one RAID controller module. For best performance, make sure that load balancing is enable...

PLANNING FOR HYPER-V November 09  Page  17   Note: For the best performance in production environments, use fixed-size VHDs because they eliminate the overhead created by expanding the VHD in a normal production environment. Size each LUN to support the target VHD. To avoid warning messages generate...

PLANNING FOR HYPER-V November 09  Page  18   Directly-mapped iSCSI Virtual Disks to the Virtual Machine (Dell PowerVault MD3000i Storage Array) You can easily transfer the virtual disk from a physical server to the virtual machine. However, transferring the virtual disk reduces the number of servers...

PLANNING FOR HYPER-V November 09  Page  22   Contact Information Go to: http://www.dell.com/ Or call 1-800-WWW-DELL. Appendix A: System Troubleshooting For information about troubleshooting MD3000 storage arrays, refer to the “Troubleshooting Problems” chapter of the Dell™ PowerVault™ Modular Disk S...

PLANNING FOR HYPER-V November 09  Page  24   Appendix C: Terminology Bandwidth – The amount of data that the storage array can process over time. Bandwidth is measured in megabytes per second (MB/s). Child partition – A partition that is associated with the parent partition. The child partition is s...