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8/11/2019 VMware VSAN 5.5
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Software-Defined Storage with VMwareVirtual SAN 5.5
Mike ArmstrongSenior Site Reliability EngineerOneCloudVMware
July, 2014
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Agenda
Introduction to VSAN
VSAN Architecture
Configuring VSAN Demo (Off-Line Demo)
Additional Resources
Q & A
Whats in your vSphere environment?
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The Hypervisor Opens Up New Opportunities
SAN / NASx86 Servers Cloud Storage
vSphere
The virtualiz
Knows the
apps in rea
Sits directl
Global view
infrastructu
Software D
Hardware the HCL:
http://www
ources/com
php?devic
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VSAN Is Not an Appliance
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VSAN Architecture
SSD used for Read C
Buffer Cache
HDD stores VMDK, V
directory, vswap, De
created for snapshot
VSAN IP Network us
Replication & Conne
A vmk Configured on
Supports Virtual Dist
Network I/O Control
L2 Multicast required
Network, recommen
Frames and 10GB
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VSAN Architecture Contd.
Full integration with HA, DRS, Horizon View (including Linked Clones), and SR
Storage Policies assigned at the VM (Storage Policy Based Management) vCenter and ESXi hosts running 5.5 U1
Managed with vSphere Web Client
Minimum of 3 hosts with minimum 1 SSD and 1 HDD
If more than 3 hosts are in the cluster then not all hosts need to contribute stora
Maximum of 32 hosts per cluster, 32,00 VMs, 5 disk groups per host, each disk
has maximum of 7 HDD and 1 SSD
Object-based storage with VMFS-L file system Single VSAN datastore per cluster and thin-provisioning is enforced by default
Does Not Support Storage I/O Control, Datastore Clusters
VSAN Uses Includes: Management Cluster, DMZ, Remote Office, VDI, DR, Tie
& Dev
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Two Ways to Build a Virtual SAN NodeCompletely Hardware Independent
1. Virtual SAN
Ready Node
with multiple options available at GA + 30
Preconfigured server ready to use VirtualSAN
2. Build Your Ow
using the Virtual SAN Comp
Choose individual component
SSD or PCIe
SAS/NL-SAS/ SATA HDDs
Any Server on vSphere
Hardware Compatibility List
HBA/RAID Controller
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VSAN Ready Nodes
http://partnerweb.vmware.com/programs/vsan/Virtual%20SAN%20Ready%20Node
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VSAN Ready Node Contd.
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vSphere + Virtual SAN
Simple to set up via p
Delivered on per VM
Zero data loss in casor host failures
Ensures zero downtinetwork failures
Interoperable with vSMaintenance Mode
Virtual SAN Is Highly Resilient Against Any Hardware FVirtual SAN is Designed to Ensure Data is Never Lost in Case of Failures
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Scale UPAdd more Disks
IOPSCapacity
40 TB
400 TB
4.4 PB
Scale OUT
Add more
nodes
Elastic
Grow or shrin
GranularAdd single no
Non-disruptiNo app down
VSAN Enables Elastic Linear Scalingof Performance and Capacity
Ability to Expand Storage by Adding Hosts & Disks
Virtual SAN enab
storage inf rast ru
prov idin g the ne
This allows us to b
bring our solution
Frans Van Rooyen
Cloud Architect, Adob
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Flexibly Configure For Performance And Capacity
Performance
2xCPU 8-core
128GB Memory
2xCPU 8-core
128GB Memory
2x
12
1x
400GB MLC SSD(~15% of usable capacity)
1x
400GB MLC SSD(~10% of usable capacity)
40(~4%
5x
1.2TB 10K SAS
7x
2TB 7.2K NL-SAS 4T
IOPS1
Raw Capacity
~20-15K
6TB
~15-10K
14TB
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VSAN POC Checklist
http://www.vmware.com/files/pdf/products/vsan/VMware_Virtual_SAN_POC_Guid
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Questions?