Building Blocks of the Private Cloud - Storage

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Building Blocks of the Private Cloud is specially brought to you by SCS Enterprise Cloud Computing & Virtualisation SIG. Speaker Mr Daniel Mar, Principal Consultant with Infront Consulting Group, is …

Building Blocks of the Private Cloud is specially brought to you by SCS Enterprise Cloud Computing & Virtualisation SIG. Speaker Mr Daniel Mar, Principal Consultant with Infront Consulting Group, is an experienced consultant with over 12 years in the IT industry. He has been specialising in server virtualization for the past 7 years where he started by deploying technologies from VMware. He also picked up Citrix virtualisation solutions and now focuses on Microsoft Virtualisation and Systems Management. He has helped many companies move from a purely physical infrastructure to a highly available virtual infrastructure and also help them deploy private cloud infrastructures.

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  • 1. The Building Blocks of thePrivate CloudPart 2 - StorageDaniel Mardaniel@infrontconsulting.com
  • 2. Review Part 1 - Compute • Private Cloud Hypervisors – XenServer Scalability and Support – Hyper-V Features and Capabilities – vSphere Costs and Licenses • Private Cloud Management System Center Virtual Machine Manager 2012Uploaded to Slidesharehttp://www.slideshare.net/DanielMar2/building-blocks-of-the-private-cloud-compute
  • 3. The Private Cloud Defined Pooled Self Service Elastic Usage Based Resources Control Customizable It’s cloud dedicated to you.
  • 4. Private Cloud Storage Endto EndVM StorageVirtual Host StorageStorage Subsystem
  • 5. Storage End to End for thePrivate Cloud Example C: drive [50GB], D: drive [200GB]Machine Virtual Volume VM Logical Disk VHD format – Fixed/Dynamic Hyper-V Host C:Cluster StorageVolume1 HostVirtual Volume Logical Disk .BIN .VSV .XML .VHD Cluster Shared Volume disks LUNs mapped by FC or iSCSIStorageSystem Logical Unit NetApp FAS2020 Storage Pool Flex Volume supporting Dedup Storage Array Aggregate – RAID6 Physical Disk SAS 15K 600GB Disk
  • 6. Physical Disk Selection Physical DiskIOPS – Input/Output Operations per sec – performance Storage System measurement used to benchmark computer storage• Disk Types and IOPS PerformanceType Drive type IOPS InterfaceHDD 7.2K SATA ~75-100 SATA 3Gb/sHDD 10K SATA ~125-150 SATA 3Gb/s UseHDD 10K SAS ~140 SAS forHDD 15K SAS ~175-210 SAS ProdSSD Various ~60,000 SATA 6Gb/s $$$SSD Various ~250K – 1.2M FC
  • 7. Redundant Array of InexpensiveDisk (RAID) selection Storage Array Storage System• Ensures data recovery in the event of a hard disk failure – RAID 0 (Striping) – RAID 1 (Disk Mirroring) – RAID 5 (Striping with distributed parity) – RAID 6 (Striping with dual distributed parity) – RAID 10 (Mirroring with Striping)• Which one is best for Private Cloud Storage? – RAID 10 gives the best performance – RAID 5 or RAID 6 gives better cost vs available capacity
  • 8. Storage Pool features Storage Pool• Features you should expect from your SAN provider Storage SystemDeduplication (single instance Thin Provisioningstorage) Before After• Other features – Fast Cloning, Snapshots, Replication• Some providers offer features such as Network RAID – Protects multiple volumes of data across a cluster of storage nodes, eliminating any single point of failure in the SAN infrastructure.
  • 9. Connecting LUNs to Hosts Logical Unit• Multiple storage architectures are available Storage System – Design a trade-off between performance, capacity, cost, and manageability – Stick with common industry standards and implementations iSCSI Considerations Fibre Channel Considerations - 1GB or 10GB? - 2GB, 4GB, 8GB or 16GB? - Single path, Teaming, MPIO - No of HBAs, Single/Dual - Security, VLANs - MPIO, Zoning
  • 10. Virtual Host storage Virtual Host Volume• Hypervisor considerations – Local Disk - Use RAID 1 Logical Disk .BIN .VSV .XML .VHD – USB Flash Drive based – Boot from SAN• Data volumes storing VMs coming from a SAN Storage Pools – RAID 1 (single base host architecture with lower performance needs) – RAID 10 (all base host architectures with high performance needs)[Same actually applies to Direct Attached Disk]
  • 11. Virtual Machine storage Machine Virtual Volume• Types of Virtual Hard Disks Logical Disk Thick Provisioned Thin Provisioned Parent-Child) (Fixed) (Dynamic) (Differencing Disks) Reserve all capacity when Capacity grows as disk Parent is read only created space is consumed Child contains changes Recommended for Useful for Test / Dev Recommended for LABs Production environments environments and used for snapshots Recommendation: Don’t combine Thin Provisioning from the VM layer with Thin Provisioning from the Storage layer
  • 12. Storage ManagementSystem Center Virtual MachineManager 2012Windows Server 2012 RC
  • 13. Managing Storage• System Center Virtual Machine Manager 2012 – Manages Storage on SANs using SMI-S Provider • NetApp, EMC, HP Dell, IBM, HDS , – Create Storage Classifications • Gold, Silver, Bronze, Green, etc – Rapid provisioning a VM using SAN array hardware copy capabilities – Storage End-to-End mapping
  • 14. System Center VirtualMachine Manager 2012• Storage Management – Classifications and Pools
  • 15. Windows 2012 Storage• Storage Spaces – Putting drives into a virtual pool from which self-healing virtual disks can be created – Provide automated data protection and resiliency against physical drive failures, and a storage volume that is actually larger than individual physical drives. – Types • Basic • Mirror • Parity
  • 16. DemoWindows 2012 – Storage Spaces
  • 17. Final Words • The line between storageMachine Virtual Volume and virtualisation platform is Logical Disk being blurred. • Selection of storage for your HostVirtual Volume Private Cloud Logical Disk .BIN .VSV .XML .VHD – Cost vs Performance – Resiliency vs RedundancyStorageSystem • Storage Management and Logical Unit Storage Pool Tiering is important • Take a look new storage Storage Array features in Windows 2012 Physical Disk Release Candidate
  • 18. Links and upcoming events• Email: daniel@infrontconsulting.com• Useful Links – Part 1 - Compute - http://www.slideshare.net/DanielMar2/building-blocks-of-the- private-cloud-compute – Comparing 8GB FC vs 10GB iSCSI Analysis Report – http://www.emulex.com/artifacts/e261005e-461e-42b1-ba7e- 0778297b2c34/​thirdIO.pdf – Storage Management in Windows 2012 - http://blogs.technet.com/b/server- cloud/archive/2011/10/14/windows-server-8-standards- based-storage-management.aspx – http://blogs.msdn.com/b/b8/archive/2012/01/05/virtualizing- storage-for-scale-resiliency-and-efficiency.aspx• Look out for final part on Building Blocks for the Private Cloud Part 3 – Network