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What is Software Defined Storage (SDS) ?

SSD SSD

Storage Quality of Service Live Migration Tiering Optimization Deduplication SSD

“ By using Storage Spaces, we’re getting storage performance of 450, 000 IOPS and roughly a gigabyte per second in throughput—more than 20 times the IOPS and four times the throughput of our SAN. ” In the past, a customer bought a SAN with expensive RAID [redundant array of independent disks] drives for an initial purchase price of more than $3, 000 a terabyte. With Storage Spaces, our customers can use storage that costs less than $300 a terabyte. ” These and other case studies are available at Microsoft’s web site.

§ Cisco UCS C 3160 Rack Server Dell Power. Edge R 730 xd Fujitsu Primergy RX 2540 M 1 HP Apollo 2000 System Intel® Server Board S 2600 WT-Based Systems Lenovo System x 3650 M 5 Quanta D 51 PH

• Deployment modes • File System (CSVFS with Re. FS) • Storage Spaces • Software Storage Bus • Servers with local disks 1 2 SOFS Cluster Shared Volumes Storage Spaces Storage Pool VMs

FS

1 1 2 3

(1) Measure current capacity at the compute layer (4) Adjust limits and enforce them at the compute layer 4 (2) Measure current capacity 1 at the storage layer (3) Use algorithm to meet policies at the Policy Manager 3 2

Define on Scale-Out File Server Apply to Hyper-V virtual disk The rest is automatic Policies Sample Policy Name Silver. VM Policy. ID 8 d 730190 -518 f-4087 -9362 -3971255 acf 36 Minimum. IOPs 100 Maximum. IOPs 200 Type Multi-Instance Silver Policy Gold Policy

Single-Instance • Resource distributed among VMs • Ideal for representing a clustered workload, application, or tenant 100 120 100 VM 2 80 VM 1 60 40 100 20 0 IOPs Maximum. IOPs = 200 180 140 • All VMs perform the same • Ideal for creating per-VM performance tiers 200 160 Multi-Instance 200 199. 8 199. 6 VM 1 199. 4 VM 2 199 198. 8 IOPS

# Deployment - Create policy (on File Server) # Deployment - Assign policy to VMs (on Hyper-V Host) $Policy # Monitoring - Retrieve all flows (on File Server) # Monitoring - Retrieve flows using the policy (on File Server)

On by default Installed with the So. FS role If upgrading from 2012 R 2, enable it Tracks usage for all VMs Available Data VHD Path VM Name VM Host Name VM IOPS VM Latency Storage Node Name Storage Node IOPS Storage Node Latency #Performance of all VMs using this file server Get-Storage. Qo. SFlow #Performance of each volume on this file server Get-Storage. Qos. Volume

Site 1 Site 2

Replication Block-level, volume-based Synchronous & asynchronous SMB 3. 1. 1 transport Flexibility Any Windows data volume Any fixed disk storage Any storage fabric Management Failover Cluster Manager Windows Power. Shell & WMI Azure Site Recovery End to end MS Storage Stack

• Single cluster • Automatic failover • Synchronous The Hudson River

• Two separate clusters • Manual failover • Synchronous or asynchronous

• Two separate servers • Manual failover • Synchronous or asynchronous

• A single server replicating to itself (one volume to another) • Seed data onto storage for shipment

• This is not DFSR! • Replicating storage blocks underneath the CSVFS, NTFS, or Re. FS volume • Don’t care if files are in use • Write IOs are all that matter to Storage Replica

• Network latency • Network Bandwidth • Log volume performance and size

• Network latency • Network bandwidth • Log volume performance and size

Capability Windows Server 2012 R 2 Windows Server 2016 Volume Sizing To scale, distribute files across multiple volumes, no larger than 810 TB Use the size you need, up to 64 TB Optimization Single job per volume Single CPU and Single I/O Queue Multi-threaded per volume All files optimized in parallel Auto load balancing of input queues and resources Backup Support Manual configuration per volume and per node using Power. Shell Setting is an integrated usage type through UI, or with Power. Shell ?

Consistent: Latest addition to Microsoft Softwaredefined Storage (SDS) stack delivers Azureconsistent blob, table and account management services for private and hosted cloud deployments. Integrated: Deployment includes virtualized storage services and data services integrated with the Scale-Out File Server and Storage Spaces, deployed as Microsoft Azure Stack cloud services. Manageable: Azure Cmdlets, APIs and templates work with no changes on Azure-consistent storage. Scalable: Paa. S* services via front-end, and highperformance scale-out Iaa. S via internal SMB.

Windows Server User Voice (Storage) Links to a few deployment and experience guides Storage Qo. S Storage Replica Rolling Upgrades Storage Spaces Direct

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