Storage spaces direct webinar
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The document outlines various configurations and considerations for hyper-converged storage solutions, particularly focusing on Windows Server environments. It details options for storage architectures, including performance tiers, resiliency methods, and hardware recommendations. Additionally, it provides insights into storage pool management, caching strategies, and practical application configurations for optimal performance and efficiency.
Storage spaces direct webinar
- 2. your choice reduce File Based StorageBlock StorageSAN AlternativeHyper-Converged Cloud Fabric SMB3
- 3. Hyper-V cluster with local storage
- 4. Hyper-V Cluster Scale-Out File Server Cluster Hyper-V Cluster(s) SMB3 Storage Network Fabric
- 8. Software-Defined Storage Design Calculator Software-Defined Storage Design Considerations Guide
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- 11. • • • • When compute + storage needs grow together • Great for small clusters
- 12. • • • • • • • • 3-node Windows Server scale-out file server Shared SAS storage enclosures SAS cables Node w/disks Node w/disks Node w/disks Node w/disks SMB Network w/RDMA
- 13. Servers Enclosures Disk/Enclosure Resiliency Raw/Net Capacity (TB) $/GB 2 1 4x 800GB SSD, 8x 6TB HDD 2-way mirror 50 / 23 1.41 2 2 12x 1.6TB SSD, 48x 8TB HDD 3-way mirror 770 / 230 1.14 4 4 12x 1.6TB SSD, 48x 8TB HDD 3-way w/ EA 1500 / 450 1.18 Servers Disks (local) Resiliency Raw/Net Capacity (TB) $/GB 2 4x 800GB SSD, 12x 4TB HDD 2-way mirror 96 / 42 1.02 3 3-way mirror 144 / 42 1.53 4 3-way mirror/dual-parity 192 / 90 0.95 8 384 / 217 0.79 12 576 / 368 0.70 16 768 / 505 0.68
- 14. Storage Options Flash support SAS SSD Flash caches 1 GB WBC per virtual disk Performance tier Mirror Capacity tier Mirror Tier optimization Nightly (default) Flash sizing 5-6% of raw capacity SAS SSD SAS or SATA SSD, NVMe 1 GB WBC per virtual disk ReFS read cache (40% of SSD capacity) Read/Write cache Mirror Replaced by flash cache Parity Mirror (~10%) Parity (~90) Real-time w/ReFS 5-6% of raw capacity Windows Server 2016 Disaggregated | Hyper-converged Shared SAS w/ReFS* Storage Space Direct* OS Windows Server 2012 R2 Architecture Disaggregated | Hyper-converged Model Shared SAS
- 15. Resiliency Options Cluster nodes 2-4 Enclosures 1-4 MPIO Yes Max pool size 84 disks SSDs to repair 0-1 per pool HDDs to repair 0-4 per pool Virtual disks/node 2-4 Fault domains Disk or enclosure Dual-site clusters w/Storage Replica No 2-4 2*-16 (64?) 1-4 0-1 Yes No 84 disks 240 0-1 per pool 0 0-4 per pool 0-2 per node 2-4 Disk or enclosure Cluster node, chassis, rack 2+ nodes per site 3-4+ nodes per site Windows Server 2016 Disaggregated | Hyper-converged Shared SAS Storage Space Direct OS Windows Server 2012 R2 Architecture Disaggregated | Hyper-converged Model Shared SAS
- 16. • • • • • • •
- 17. Network Options Bandwidth >= 1Gbit/s Protocol Ethernet, IB3 Interfaces/Server 2 NIC Teaming Not w/RDMA SET Teaming - RSS Recommended RSC Recommended RDMA1 Preferred PacketDirect - In-box drivers Not recommended for production2 >=10Gib/s Ethernet, IB3 2 Yes Recommended Recommended Recommended Preferred Recommended Preferred Not supported2 1 Either iWARP or RoCE; however, RoCE requires additional server and switch configuration/support (PFC and DCB) and VLANs 2 Use approved NIC driver from solution vendor 3 Don’t use Infiniband w/hyper-converged Windows Server 2016 Disaggregated | Hyper-converged Shared SAS Storage Space Direct OS Windows Server 2012 R2 Architecture Disaggregated | Hyper-converged Model Shared SAS
- 18. Windows Server 2016 Disaggregated | Hyper-converged Shared SAS Storage Space Direct OS Windows Server 2012 R2 Architecture Disaggregated | Hyper-converged Model Shared SAS RAM for storage caches None Total RAM 64 GB Extra RAM for VMs 32-128 GB if hyper-converged CPU 2 6-core CPUs typical (add for extra SSDs, Data Deduplication, hyper-converged) 16 GB CSV cache? 10 GB per 1 TB of flash cache 16 GB CSV cache? 64 GB 64 GB 32-128 GB if hyper-converged 2 6-core CPUs typical (add for extra SSDs, Data Deduplication, hyper-converged)
- 22. Windows Server 2016 Disaggregated | Hyper-converged Shared SAS Storage Space Direct OS Windows Server 2012 R2 Architecture Disaggregated | Hyper-converged Model Shared SAS Solution vendors Dell DataOn RAID Inc. HP Dell DataOn RAID Inc. HP Dell Cisco Fujotsu HP Intel Lenovo Quanta
- 23. Quanta D51PH HP Apollo 2000 System Dell PowerEdge R730xdCisco UCS C3260 Rack Server Intel® Server Board S2600WT-Based Systems Lenovo System x3650 M5 Fujitsu Primergy RX2540 M1
- 25. Node File-Delete Notification (TRIM) Disable w/FSUtil Storage Spaces registry changes Optimize Storage Spaces repair settings on Scale-Out File Servers MPIO policy Optimize with MPClaim Physical disk caches Disable with Diskcache.exe CSV read cache Max 64 TB; by-passed w/tiers Pool RetireMissingPhysic alDisks Set with Set-StoragePool Volume Column count Calculate w/spreadsheet Volume size 10 TB if using Volsnap for VSS snapshots UseLargeFRS Set with Format-Volume Use defaults Use defaults Use defaults N/A Use defaults Supported Use defaults (handled by Health Service) Use defaults >10TB if using ReFS snapshots 10 TB if using Volsnap for VSS snapshots Use defaults Windows Server 2016 Disaggregated | Hyper-converged Shared SAS Storage Space Direct OS Windows Server 2012 R2 Architecture Disaggregated | Hyper-converged Model Shared SAS
- 27. Storage Spaces Storage Pool Storage Spaces Virtual Disks Scale-Out File Server CSVFS Cluster File System Software Storage Bus Virtual Machines 1 2 ReFS On-Disk File System Virtual Machines
- 28. ClusPort SpacePort Virtual Disks File System Cluster Shared Volumes File System (CSVFS) Application Node 1 Block over SMB ClusBflt Node 2 Physical Devices ClusPort SpacePort Virtual Disks File System ClusBflt Physical Devices
- 29. Storage Configuration Caching devices Capacity devices Caching behavior SSD + HDD SSD HDD Write + Read SSD + SSD SSD SSD Write only Caching Devices Capacity Devices
- 30. TP5 New-Cluster Enable-ClusterS2D New-Volume New-Cluster Enable-ClusterS2D New-StoragePool Set-PhysicalDisk -Usage Journal New-StorageTier -ResiliencySettingName Mirror New-StorageTier -ResiliencySettingName Parity New-Volume
- 31. $mt = New-StorageTier -FriendlyName Mirror -MediaType SSD -ResiliencySettingName Mirror $pt = New-StorageTier -FriendlyName Parity -MediaType SSD -ResiliencySettingName Parity New-Volume -FriendlyName SQlServer -StorageTiers $mt -StorageTierSizes 1TB New-Volume -FriendlyName GenericVM -StorageTiers $mt,$pt -StorageTierSizes 100GB,900GB Mirror Parity
- 32. $mt = New-StorageTier -FriendlyName Mirror -MediaType SSD -ResiliencySettingName Mirror $pt = New-StorageTier -FriendlyName Parity -MediaType HDD -ResiliencySettingName Parity New-Volume -FriendlyName SQlServer -StorageTiers $mt -StorageTierSizes 1TB New-Volume -FriendlyName GenericVM -StorageTiers $mt,$pt -StorageTierSizes 100GB,900GB Mirror Parity
- 35. Virtual Disk Mirror Parity Mixed-Resiliency Optimized for Performance Capacity Balanced Use case All data is hot All data is cold Mix of hot and cold Efficiency Least (33%) Most (57+%) Depends on mix File System ReFS (or NTFS) ReFS (or NTFS) Requires ReFS Node requirement 2+ 4+ 4+
- 36. Mirror tier Parity tier Server 2 Server 3 Server 4Server 1 A A’ A’’B B’ B’’Mirror Parity X1 X2 Px Y1 Y2 Py Q Nodes Mirror tier Efficiency Parity Tier Efficiency Resiliency 4 33% 57% 1 node 8 33% 80% 1 node 16 33% 84% 1 node LRC Erasure Coding in Storage Spaces
- 37. Mirror tier Parity tier W ReFS
- 39. • • • • • •