© 2008 Hewlett-Packard Development Company, L.P.The information contained herein is subject to change without notice

SAN considerations for the Virtualized Data Center

Tim Gwinn

Solutions ArchitectLeftHand Networks, an HP company617-678-6716Tim.Gwinn@hp.com

A brief background• Technology leader

−Founded in 1999 as LeftHand Networks−More than 12,000 installations−Over 3,500 production iSCSI SAN customers−Ranked as “Visionary” in Gartner’s Magic Quadrant 2008 and 2009

• All inclusive feature-set −“Pay-as-you-grow” architecture−Cost-effective high availability−Scalable performance −Simplified management for virtual environments

3

HP StorageWorks array portfolio

MSA2000

Outstanding TCO

• FC & iSCSI host ports• FC & FATA HDD• Storage

consolidation + disaster recovery

• Simplification through virtualization

• Windows, HP-UX, Linux, VMware, Citrix, Hyper-V, MAC OS, and More

Always-on availability

• Data center consolidation + disaster recovery

• Large-scale Oracle/SAP applications

• HP-UX, Windows, + 20 more, including NonStop & mainframe

Low cost consolidation

• 4GB FC, 1GbE iSCSI, and 3Gb SAS

• SAS & SATA together• Controller-based

snapshot/clone• Windows, Linux,

VMware• WEB, Exchange, SQL

Business Continuity and Availability

Cons

olid

atio

n an

d Pe

rform

ance

XP EVA

XP24000

XP20000 All-in-

One

Simple Unified Storage

• iSCSI SAN and Optimized NAS with integrated snapshots, backup, replication, and simple management.

• Windows, Linux, VMware, more.

LeftHand SAN

Scalable, Clustered IP SAN

• Scalable performance

• SAS & SATA HDD• Cost effective

high availability• Simplified mgmt

for virtualization• VMware, Citrix,

Hyper-V, Windows, Linux, and More

Cost

• All relevant features should be included. No surprises.

Performance

• Must support dynamic workloads concurrently

Scalability• Scale capacity and performance linearly• No forklift upgrades or disruption

Availability• High availability to keep data online during unplanned events. No SPOF.• Disaster recovery to recover data after unplanned downtime occurs.

Manageability

• Simple to administer

Storage requirements

Cost

• All inclusive software feature-set

Performance

• Storage clustering, 10 Gig support, and storage tiering

Scalability

• Buy only what you need today, scale capacity and performance linearly online

Availability• Highly available by default. Multisite SAN support• Disaster recovery included.

Manageability

• Simple to install and administer

LeftHand SAN Advantage

•Scalable performance and capacityStorage Clustering

•Beyond the box availabilityNetwork RAID

•Reduce costs, increase capacity utilizationThin Provisioning

•Data protection, tape storage reductionSnapshot•Disaster recovery via integrated replicationRemote Copy

5 features with every LeftHand SAN

SAN/iQ Storage ClusteringTrue clustering brings reliability, performance, and ease of management

•Storage clustering− Aggregates critical components− Data is load balanced− Predictable scalability

•Grow on your terms− Scale-out storage− Non-disruptive− Throttle bandwidth

•Storage tiering− Optimized for type of data− Online volume migration

•Simple centralized management− One step server-volume mapping− Integrated performance management

SAS

SATA

Centralized Management Console

DiskCache

Storage Node

Hardware RAIDSAN/iQ Storage

SoftwareRedundant CoolingRedundant power

CPUNICs

SAN/iQ Network RAIDAlways on storage, data remains accessible during site failures

•Beyond component redundancy− Protects data from array failure− Synchronous replication− Configure on a per-volume basis− Configure on-the-fly, no down time

High availability− Multiple disks, controllers, or arrays− Zero disruption of data access− Ensures “high availability” for data

SAN/iQ Cluster

A

B

C

D

A

B

C D

B

A

C

D

BA

C

D

• The goal for SAN availability is "no nines," or 100% availability. (Gartner,2007)

• Human error and firmware bugs are the weakest links, even in properly deployed SANs. (Gartner, 2007)

SAN/iQ Multi-site SANReal-time protection from site failure

•Protect Storage By:− Racks− Room− Floor− Building− Site

•Keep Data Online During:− Facility disruption− Natural disaster− Site maintenance

SAN/iQ ClusterSAN/iQ Multi-site SAN

A D A D

BA BA

C B BC

C D C D

Volumes Remain Online

SAN/iQ Thin ProvisioningRaise storage utilization, increase return on investment, and reduce costs•Cost Savings− Purchase only what you need

today− Allocate only as data is written− No reserve necessary− Integrated with SmartClones,

Snapshots and Remote Copy

•Delay Future Storage Purchases− Grow capacity as warranted

•Simple to Manage− Enable/disable with radio button on

per-volume basis

Full Provisioned

Thin Provisioned

50 GB written

50 GB written

50 GB written

50 GB written

200 GB Volume

200 GB Volume

Allocated 200 GB

Available 0 GB

Used 0 GB

Wasted 200 GB

Allocated 0GB

Available 200GB

Used 0GB

Wasted 0GB

Allocated 200 GB

Available 0 GB

Used 50 GB

Wasted 150 GB

Allocated 200 GB

Available 0 GB

Used 100 GB

Wasted 100 GB

Allocated 50GB

Available 150GB

Used 50GB

Wasted 0GB

Allocated 100GB

Available 100GB

Used 100GB

Wasted 0GB

Waste

Available

SAN/iQ SmartCloneCost efficient volume copies that allow for quick provisioning

Realize cost savings through cloning• No duplicate data, only changes are

stored• Ideal for storing system images• Instant provisioning of volume copies

for test and development• Testing can be done with real data• No impact to production

SmartClone Volumes

SAN/iQ Cluster

SAN/iQ SnapshotsPoint-in-time, space-efficient snapshots for backup and recovery

•Simplified Backup and Recovery− Point-in-time volume copies− Scheduled, ad hoc or scripted

•Functional− Volume rollback− Recover granular data− Backup integration

• Microsoft VSS• VMware VCB

•Space Efficient− Thin provisioned always− Delta changes only− No snap reservation

SAN/iQ Cluster

1:00

2:00

3:00

1:00

SAN/iQ Remote CopyTime and space-efficient asynchronous replication for disaster recovery and backups

•Asynchronous Replication− Per volume basis− Scheduled or manual− Thin provisioned− No reserve space required− Incremental failback

•Simple to Manage− Bandwidth management− Failover / Failback Wizard

SAN 1

Vol_1

(P

rimar

y)

SAN 2

Vol_1

(R

emo

te)

2:00

1:00

3:003:00

2:00

1:00

Vol_1

(P

rima

ry)

Baseline Copy

Incremental Copy

Incremental Copy

Recovery Server

Main

Vol_1

(R

emot

e)

Remote

Vol_1

(P

rimar

y)

VMwareESXServer

SAN/iQ

• Replication for up to 10 Remote Sites

− No SAN hardware at remote site

− No other vendor can offer this− All other offerings are host

based or require hardware at remote sites

• Included for no additional cost with:

− Virtualization SAN− Multi-Site SAN

• Support included with physical SAN

Remote Office Solution PackCost effective disaster recovery, no hardware required

2:00

1:00

3:003:00

2:00

1:00 Baseline Copy

Incremental Copy

Incremental Copy

LeftHand SANsCost effective storage for virtualization, easy to implement

StarterSAN

VirtualizationSAN

Multi SiteSAN

Ala CarteStorage

NodesDisk Drives 12 - 240 24 - 480 48 - 960 Varies

Starting Capacity 9.0 TB SATA 10.8 TB 15K SAS 21.6 TB 15K SAS Varies

Dual Active/Active Controllers Requires 2 Nodes

Dual Active/Active Site Failover

SAN/iQ, all features

3 Yrs Basic Support & Remote Install 1 yr Basic

SupportTraining (2 seats)

Windows Solution Pack

Remote Office Solution Pack

Multi-Site HA/DR Solution Pack

SAN/iQ Cluster

•Full Featured Virtual SAN− SAN/iQ within an ESX

virtual machine− Virtualizes ESX server’s

internal disk resources− Up to 2TB per license− Only SAN appliance on

VMware SAN/Storage HCL•SAN/iQ cluster within ESX

− Highly Available storage across multiple ESX systems

− Shared storage for VMs

Virtual SAN Appliance for VMware ESXHigh Availability for Server & Storage For Remote/Branch Offices

VSA

ESXServer

ESXServer

ESXServer

DASDASDAS

VSAVSA WinLinux

Win Linux

Linux

Win

LeftHand SAN Support OfferingsFeature Comparison of LeftHand Support Offerings Premiu

m Basic

Account ManagementCustomer-determined severity level for incidents Escalation management via Technical Account Manager's) Crisis and dispatch management 7 x 24 x 365 Firmware change notification Product Support

Direct access to the Level 2 LeftHand Support Engineers 7 x 24 x 365 SAN/iQ and firmware support Select application and database support Advanced application environment support l Collaborative support with third-party vendors l Configuration assistance Case management Hardware and software failure support during business hours Hardware and software failure support 7 x 24 x 365, including Health Check automatic feedback LeftHandNetworks.com Knowledge Base Access LeftHandNetworks.com Knowledge Base Access7 x 24 x 365 same day four-hour on-site response service after completion of phone-based troubleshooting

5 x 10 next business day on-site response service after completion of phone-based troubleshooting