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VMware Virtual SAN & It’s New Features Luc Gallet lgallet@vmware.com
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Agenda 1 Impact of Hyper-Converged Infrastructures in the Datacenter 2 Virtual SAN Enables a Radically Simple HCI Solution 3 Accelerating Innovation - Enterprise-class Scale & Performance 4 Conclusion & Next Steps 2
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Hyper-Converged Infrastructures in the Datacenter
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Build an SDDC Foundation with Hyper-Converged Infrastructure Hyper- Converged Infrastructure 60% ✖ Specialized expensive HW ✖ Device-centric silos ✖ Complex processes ✔ Radically simple ✔ Cost-efficient performance ✔ Enterprise ready IDC Hyperconverged Systems 2015-2019 Forecast
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Hyper-Converged Infrastructure Simplifies Private Clouds 5 HYPER-CONVERGED SOFTWARE Compute, storage and networking Tightly integrated software stack INDUSTRY-STANDARD HARDWARE Convergence of physical storage on x86 hardware Building-block approach
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VMware Hyper-Converged Strategy 6 VMware Hyper-Converged Software Industry-Standard Servers vSphere vCenter Server Virtual SAN VMware Hyper-Converged Software Market-leading hypervisor Simple, enterprise-class storage Most flexible deployment options Unified management
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Building Block for the Software-Defined Data Center 7 NSX: Leading network virtualization platform for the SDDC vRealize Operations: Advanced storage management and planning vRealize Log Insight: Real-time log management of Virtual SAN Horizon: Single platform for virtual and hosted desktops Industry-Standard Servers vSphere vCenter Server Virtual SAN VMware HCS SDDC software
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Why VMware Hyper-Converged Software? 8 Radically Simple >100 Pre-Certified Ready Nodes to Match Existing Infrastructure 1 Integrated SW stack <1ms Latency with all-flash systems >100K IOPS per node $1/GB As low as $1 per usable GB of all-flash Virtual SAN 50% Lower TCO 1 Platform for business critical apps, Openstack and containers >6M IOPS per cluster Highest Performance Lowest Cost $ Any App, Any Scale
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Virtual SAN Enables a Radically Simple HCI Solution
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VMware Virtual SAN 10 Radically Simple Hypervisor-Converged Storage for VMs Software-defined storage optimized for VMs Hypervisor-converged architecture Runs on any standard x86 server Pools HDD/SSD into a shared datastore Delivers enterprise-level scalability and performance Managed through per-VM storage policies Deeply integrated with the VMware stack Overview Virtual SAN Datastore … vSphere + Virtual SAN VM
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Tiered All-Flash and Hybrid Options 11 Caching Data Persistence Virtual SAN All-Flash 100K IOPS per Host + sub-millisecond latency Writes cached first, Reads from capacity tier Capacity Tier Flash Devices Reads primarily from capacity tier SSDPCIe NVMe Hybrid 40K IOPS per Host Read and Write Cache Capacity Tier SAS / NL-SAS / SATA SSDPCIe NVMe
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VMware Virtual SAN 6.2 Ready For All vSphere Workloads VMware vSphere + Virtual SAN End User Computing Test/Dev ROBO Staging Management DMZ Business Critical Apps DR / DA Best storage for VMs Optimized for vSphere Enterprise-class resiliency Business critical app ready
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Accelerating Innovation Enterprise-class Scale & Performance
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Accelerating Innovation 14 VSAN 5.5 March 2014 VSAN 6.0 March 2015 All Flash 64 Node Cluster X2 Hybrid Performance VSAN Snapshots VSAN Clones Rack Awareness VSAN 6.2 March 2016 VSAN 6.1 September 2015 Stretched Cluster Replication - 5 Min RPO Root Cause Analysis Health Monitoring Deduplication Compression Erasure Coding (RAID 5/6) Quality of Service Performance & Capacity Monitoring Expanded Virtual SAN Ready Nodes
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Virtual SAN Stretch Cluster 15 Enterprise Availability and Data Protection Stretched Cluster with RPO=0, metro-distance 5 min RPO vSphere Replication Support for SMP-FT Support for Oracle RAC Support for Microsoft Failover Clustering – Increases Enterprise availability and data protection – Deploy Virtual SAN between geographically dispersed locations – Based on an Active–Active architecture – Supported on both Hybrid and All-Flash architectures – Enables synchronous replication of data between sites – Site failure tolerated, with no data loss and near zero downtime Site A Active Site B Active vSphere + Virtual SAN Stretched Cluster vSphere + Virtual SAN Stretched Cluster HDD SSD HDD SSD HDD SSD HDD SSD HDD SSD HDD SSD
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Stretch Cluster Based on vSphere and Virtual SAN Technologies 16 – Stretched Cluster is based on Virtual SAN’s 3 Fault Domain architecture – Functions and managed just like any other Virtual SAN cluster – Witness responsible for quorum and voting mechanism during cluster related failures – the witness is an ESXi virtual appliance – Witness only stores meta-data, no running VMs Fault Domain A Active Fault Domain C Active vSphere + Virtual SAN Stretched Cluster vSphere + Virtual SAN Stretched Cluster HDD SSD HDD SSD HDD SSD HDD SSD HDD SSD HDD SSD Witness Fault Domain B HDD SSD Enterprise Availability and Data Protection Stretched Cluster with RPO=0, metro-distance 5 min RPO vSphere Replication Support for SMP-FT Support for Oracle RAC Support for Microsoft Failover Clustering
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Virtual SAN Stretch Cluster 17 – Witness appliance can be deployed onto a 3 rd site or it can be hosted on vCloud Air – Stretched cluster introduces fault domain/site Read Locality – vSphere enterprise features are seamlessly integrated and supported – vSphere Distributed Resource Scheduler (DRS) – vSphere High Availability (HA) Site A Site B vSphere + Virtual SAN Stretched Cluster vSphere + Virtual SAN Stretched Cluster HDD SSD HDD SSD HDD SSD HDD SSD HDD SSD HDD SSD 10/20/40 gbps Active witness appliance L2 with Multicast <=200 ms RTT over 100 mbps L3 no multicast Fault Domain A Fault Domain C Fault Domain B <=200 ms RTT over 100 mbps L3 no multicast Enterprise Availability and Data Protection Stretched Cluster with RPO=0, metro-distance 5 min RPO vSphere Replication Support for SMP-FT Support for Oracle RAC Support for Microsoft Failover Clustering
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Virtual SAN for Remote Office Branch Office (ROBO) Solution 18 Centralized Data Center Centrally managed by one vCenter Server ROBO1 HDDSSDHDDSSD vSphere + Virtual SAN witness vESXi applianc e vESXi applianc e vESXi applianc e ROBO2 ROBO3 vCenter Server 2-Node ROBO Solution Overview Each of the node will be in a Fault Domain (FD) One witness per Virtual SAN cluster Witness node is an ESXi appliance (VM) All sites managed centrally by one vCenter Patching and software upgrades performed centrally through vCenter If there are N ROBOs then there will be N witness VMs New Hardware Options 2-node clusters for ROBO New Flash HW options: Intel NVMe Diablo ULLtraDIMM™ Hardware Deployment options Certified Hardware Integrated Systems HDDSSDHDDSSD HDDSSDHDDSSD
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2-Node Remote Office Branch Office Solution – More details 19 Centralized Data Center Centrally managed by one vCenter Server ROBO1 HDD SSD HDD SSD vSphere + Virtual SAN HDD SSD HDD SSD vSphere + Virtual SAN HDD SSD HDD SSD vSphere + Virtual SAN witness vESXi applianc e vESXi applianc e vESXi applianc e ROBO2 ROBO3 vCenter Server 2-Node ROBO Solution Overview 2-Node in ROBO share a single L2 domain. It requires multi-cast setup with 10 VMs. Communication between the ROBO and witness is unicast only. No need for multi-cast and Witness is only reachable via L3. Requires <500ms RTT over 1.5Mbps Resource requirements for the witness assuming 5-10 VMs in each ROBO: Storage: 15 GB for capacity & 10GB for catching tier (Use thin provisioning to save costs) CPU: 2vCPU Memory: 8 GB New Hardware Options 2-node clusters for ROBO New Flash HW options: Intel NVMe Diablo ULLtraDIMM™ Hardware Deployment options Certified Hardware Integrated Systems
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Deduplication and Compression for Space Efficiency Nearline deduplication and compression per disk group level. – Will be called “Space Efficiency” Space Efficiency enabled on a cluster level Deduplicated when de-staging from cache tier to capacity tier – Fixed block length deduplication (4KB Blocks) Compressed after deduplication 20 Beta esxi-01esxi-02esxi-03 vmdk vSphere & Virtual SAN vmdk All Flash Only
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RAID-5 Erasure Coding With “FTT=1” availability RAID-5 – 3+1 (4 host minimum) – 1.33x instead of 2x overhead 20GB disk normally takes 40GB, now just ~27GB 21 RAID-5 ESXi Host parity data All Flash Only ESXi Host data parity data ESXi Host data parity data ESXi Host data parity
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RAID-6 Erasure Coding With “FTT=2” availability RAID-6 – 4+2 (6 host minimum) – 1.5x instead of 3x overhead 20GB disk normally takes 60GB, now just ~30GB 22 All Flash Only ESXi Host parity data RAID-6 ESXi Host parity data ESXi Host data parity data ESXi Host data parity data ESXi Host data parity ESXi Host data parity
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Total Space Efficiency Savings Enable “All-Flash First” Choice 23 $1/GB All-Flash for as low as $1 per usable GB 2x 10x New in 6.2 * Actual deduplication and compression storage reduction will vary based on workload and configuration. Space Efficiency features work together to provide up to 10x reduction in dataset size
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Virtual SAN Quality of Service 24 New in 6.2 Complete visibility into IOPS consumed per VM/Virtual Disk 1 Click-to-configure limit Eliminate noisy neighbor issues Granularly manage performance SLAs: independent of VM provisioning order … vSphere + Virtual SAN vSphere & Virtual SAN
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NEW: Virtual SAN 6.2 Pricing and Packaging 25 Virtual SAN STD Virtual SAN ADV Virtual SAN ENT List Price (Per-CPU) $2,495 / CPU$3,995 / CPU$5,495 / CPU List Price (Per-VM) $50 / Desktop (VDI Only) $500 / VM (ROBO only) $100 / Desktop (VDI Only) Included in Horizon ADV/ENT $120 / Desktop (VDI Only) Features Storage policy based management Read / Write SSD Caching Distributed RAID Virtual Distributed Switch VSAN Snapshots & Clones Rack Awareness Replication (5 min RPO) Software Checksum All Flash Deduplication & Compression (All Flash only) Erasure Coding (All Flash only) Stretched Cluster QoS – IOPS Limits New Feature in VSAN 6.2 Existing feature in v6.1 VSAN for ROBO 25-VM Pack of VSAN STD $500/VM (no change) One per site max Entitlement Current VSAN ADV customers get VSAN ENT
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Conclusion & Next Steps
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VMware Hyper-Converged Software 27 RADICALLY SIMPLE HIGHEST PERFORMANCE ANY APP, ANY SCALE LOWEST COST x86 Server Hardware VMware Hyper-Converged Software
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Three Ways to Get Started with Virtual SAN Today 28 VSAN Assessment 3 Test-drive Virtual SAN right from your browser—with an instant Hands-on Lab Register and your free, self-paced lab is up and running in minutes 60-day Free Virtual SAN Evaluation VMUG members get a 6- month EVAL or 1-year EVALExperience for $200 Reach out to your VMware Partner, SEs or Rep for a FREE VSAN Assessment Results in just 1 week! The VSAN Assessment tool collects and analyzes data from your vSphere storage environment and provides technical and business recommendations. Learn more… vmware.com/go/virtual-san Virtual SAN Product Overview Video Virtual SAN Product Overview Video Virtual SAN Datasheet Virtual SAN Customer References Virtual SAN Customer References Virtual SAN Assessment VMware Storage Blog @vmwarevsanvmwarevsan vmware.com/go/try-vsan-en FREE
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vForum 2014 vSAN Assessment as a Strategic Tool
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