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CORAID: Redefining Storage Economics Confidential Analyst Presentation - January 2010. Coraid: Redefining Storage Economics Technical Overview – February 2011. Legacy FC & iSCSI SANs …. not so simple. Cluster. Virtualization OS. Parallel File System. Multi-path IO Software. Server. Server.

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coraid redefining storage economics confidential analyst presentation january 2010

CORAID: Redefining Storage EconomicsConfidential Analyst Presentation - January 2010

Coraid: Redefining Storage EconomicsTechnical Overview – February 2011

legacy fc iscsi sans not so simple
Legacy FC & iSCSI SANs ….not so simple.

Cluster

Virtualization OS

Parallel File System

Multi-path IO Software

Server

Server

Server

Server

Server

Server

Server

Server

Server

NPIV

(Required for Vmotion)

HBA

Switch (FC)

Storage Controller

  • Difficult to configure
  • Difficult to Scale
  • Impossible to manage
  • Vendor with the best interoperability test matrix wins
  • (EMC Matrix: 19,000 pages and counting. http://www.emc.com/collateral/elab/emc-support-matrices.pdf)
legacy storage architecture
Legacy Storage Architecture

Legacy SAN

1:1 Mainframe to storage

Today’s SAN

Many:1 Servers to storage

Many:1 Virtual to physical servers

scale out ethernet san
Scale-out Ethernet SAN

SCSI

SCSI

iSCSI

Fibre Chan

  • Ethernet SAN
  • Bare metal performance
  • No controller bottleneck
  • Eliminates complex topologies
  • No more complex multi-pathing
  • Ethernet simplicity
  • Lightweight protocol wins!

TCP

ATA

IP

AoE

Fibre Chan

Ethernet

Ethernet

AoE

iSCSI

Fibre Channel

Storage Protocol Stacks

coraid ethernet san redefining storage economics
Coraid Ethernet SAN – Redefining Storage Economics

3 Basic Building Blocks:

  • Commodity x86 low-cost hardware used to build scale-out, flexible storage servers (“EtherDrive” Arrays):
    • Non-proprietary, Commodity X86 hardware
    • Supports SATA, SAS, SSD Drives (can be mixed in a single chassis)
    • Qty(6) 1Gb, or (4) 10Gb Ethernet Ports --- 230MB - 1800MB/ per sec, per single EtherDrive Array
    • $500 - $900 per 1 Terabyte
    • Multiple EtherDrive Models (2u, 3u, and 4u / 8, 16, 24, 36 disk slots)
    • Redundant Hot-swap power supplies & fans
  • Ethernet (Layer-2) network is backplane: (No TCP/IP, No iSCSI, No FC)
    • Provides near Bare-metal performance
    • Jumbo Frame support (9K) only requirements for Ethernet switches
    • Market converging to Ethernet, 1Gb, 10Gb, 40Gb, 100Gb
  • AoE = ATA over Ethernet Storage Protocol: delivers high-performance, low cost alternative to iSCSI & FC SANs
    • Ethernet SAN driver (AoE) native in all LINUX kernels
    • Ethernet SAN HBAs (w/ AoE driver) for non-LINUX platforms - Standard Intel dual-ported PCIe, PCI-X cards, (1Gb, 10Gb)
    • Does not require TCP/IP like iSCSI or proprietary networks like Fibre Channel
    • AoE is a connection-less protocol that connects servers and storage directly across Layer-2 Ethernet
    • Does not require user configured multi-path IO (MPIO or NPIV) software
    • AoE is datagram-based, the bandwidth can scale with additional ports, unlike IP-based solutions
      • Ethernet SAN packets are automatically sent over every available network path between the server and storage (without MPIO configuration)
      • iSCSI can be multi-path in the context that each conversation must take place on a single port thus limits max bandwidth of each conversation to the speed of a single port
what is a coraid ethernet san
What is a Coraid Ethernet SAN?

Ethernet LAN

Non

LINUX

Server

Server

Server

LINUX

Scale-out Ethernet SAN

  • Performance & Capacity scale linearly with each added Coraid storage array or HBA
  • Distributed, controller-less, modular architecture scales from a few Terabytes to multi-Petabytes

EtherDrive HBAs

- Dual-ported Ethernet Cards

1Gb or 10Gb

HBA

HBA

HBA

EtherDrive driver

- Native in LINUX Kernel

Ethernet

SAN

Capacity

Storage

LUNs

Performance

simplicity of coraid operating system coros
Simplicity of Coraid Operating System - CorOS
  • CorOS – Coraid Storage Operating System
    • Parallel processing scale-out SAN operating system
    • SAN Fabric + RAID functionality inside a single EtherDrive Server
    • 3 commands to set up Storage Server – configures in < 1 minute
    • All LUN’s use static naming conventions (LUN MetaData stored on disks)
    • MAC address tied to LUN address
    • Completely eliminates MPIO and Port Binding
    • Flood entire Network fabric with I/O and Throughput
    • Supports RAID 0, 1, 5, 6, 10, or JBOD with Global Hot Spares
    • Continuous RAIDShield – testing fixes bad blocks, reduces drive failure
    • RAID configuration stored on each disk allows disk portability
  • Ethernet SAN presents itself as direct-attached disk
    • Compute side see’s HBA not as NIC but as local SCSI device
    • SCSI Commands issued from compute side directly to disks via Ethernet SAN
    • Automatically uses Multiple Paths across all ports to/from storage
  • Coraid EtherDrive Storage is true scale-out architecture
    • Controller-less based architecture
    • Ethernet SAN automatically broadcast all LUN’s to Compute side
    • Physical connection to SAN Fabric & Jumbo Frame support (9K) only requirements
  • Transmission Control built in
    • iSCSI uses Layer-4 TCP for transmission control
    • FC uses proprietary $$$ hardware
b listering performance of ethernet san
Blistering Performance of Ethernet SAN
  • Proven performance equal to FC SAN at price points below iSCSI
    • See ESG Report which compares EMC, NetApp,DAS to Coraid
  • SR Line: 230MB per sec / per Coraid EtherDrive SR Server
  • SRX Line: 530MB – 1800MB per sec / per Coraid EtherDrive SRX Server
  • Customer HPC example:
    • 100TB Coraid + ZFS = 2Gb per sec, 125K IOPS
    • Less than $900 per TB
  • Coraid Microsoft CIFS Driver – 920MB/sec
    • Using Microsoft 2003 / 2008
  • Automatic Multi-Pathing and Link Utilization
    • Multiple Ethernet Connections to the SAN will automatically be recognized and utilized
    • Transparent to Host – No configuration required
    • Host sees 1 LUN regardless of the number of paths utilized
    • Maximize Throughput
    • Automatic Failover
  • If Physical Connection established it will be used
    • Support LUN Masking, White Lists, VLAN
direct connection example
Direct Connection Example
  • Ethernet Connection
    • Linux OS can use existing NIC in host
    • Coraid HBA (Host Bus Adapter)
  • AoE Drivers on Host
  • Host Recognizes Available Storage on CORAID

Host

Ethernet Connection

EtherDrive

Storage

SRxxx

SRXxxx

device identification
Device Identification
  • Represented as a Local SCSI Disk
  • Linux Example
    • /dev/etherd/e10.10
      • e<Shelf#.LUN#>
      • Persistent Identification
  • Compare Traditional SAN Protocols
    • /dev/sdX
      • X = Arbitrary Letter
      • No persistent identifier
      • Requires additional configurations for naming and identification

Host

Ethernet Connection

EtherDrive

Storage

SRxxx

SRXxxx

multiple connection example
Multiple Connection Example
  • SR & SRX – multiple Ethernet interfaces
  • Supports multiple Ethernet connections
  • CORAID AOE Driver automatically:
    • Recognizes multiple paths
    • Load Balance across all available paths
    • Increase Throughput
    • Failover

Host

Ethernet Connections

EtherDrive

Storage

SRxxx

SRXxxx

multiple host access
Multiple Host Access

File

Server

Host A

  • Multiple “Initiators” (Hosts) may access Coraid storage
  • LUN – Segmentation of Raw Storage
  • Each device accesses assigned LUN
  • LUN Masking
    • Prevents Host A from even seeing the Server’s LUN

Ethernet Switch

EtherDrive

Storage

SRxxx

SRXxxx

Server

LUN

Host A

LUN

target solutions
Target Solutions

Virtualization

Cloud Storage

EtherDrive’s totally lightweight SAN protocol provides massive I/O for demanding VMware and Xen projects.

10Gb Ethernet SAN performance, petabyte scale-out architecture, JBOD economics. Beat the big guys at their own game.

High Performance Computing

Video/Network Surveillance

EtherDrive enables commodity economics for large-scale data collection. No specialized storage expertise required.

EtherDrive delivers linear parallel scaling of throughput and capacity, without complex SAN topologies.

Other solutions in use today:

  • NAS / File Storage
  • Disk-to-Disk Backup
  • Database and email
  • Development Environments
  • Storage Consolidation
  • University Environments
virtualization environment
Virtualization Environment
  • Massive bandwidth to disks
  • Less head contention
  • More independent disk heads
  • Unlimited scalability (>60k nodes)
  • No need for MPIO or NPIV
high performance computing environment
High Performance Computing Environment
  • Key Points
  • Commodity scale-out architectures are vital to large-scale research and computing projects
  • Coraid EtherDrive has been deployed in a variety of HPC projects, delivering massive capacity and throughput at a fraction of the cost of legacy SAN systems
slide24

CORAID

VSX Appliance

etherdrive vsx san virtualization appliance
EtherDrive VSX – SAN Virtualization Appliance
  • Key Features and Benefits
  • Ethernet SAN virtualization appliance, provides volume management for EtherDrive SAN storage
  • Aggregate pools of EtherDrive SR/SRX LUNs together to form small or large virtual LUNs up to 512TB
  • Each VSX can manage up to 4080 virtual LUNs
  • VSX can create up to 255 copy-on-write snapshots per virtual LUN
  • Snapshots can be cloned by VSX and used as read/write copies
  • VSX can synchronously mirror logical volumes to create a High Availability (HA) storage system with true No Single Point of Failure
  • For disaster recovery scenarios the VSX supports asynchronous remote replication
  • Supports 1Gb and 10Gb Ethernet
etherdrive vsx true no single point of failure
EtherDrive VSX – True No Single Point of Failure

Synchronous Mirroring:For applications that require high availability, data from one EtherDrive storage appliance can be synchronously mirrored to another to protect against whole array failures. Mirroring creates a simultaneous, exact duplicate version of a physical volume (PV) to a local designated EtherDrive storage LUN target.

no single point of failure storage architecture
No Single Point of Failure Storage Architecture

ESX 1

ESX 2

ESX 3

20

VSX

VSX

VSX

20

VSX

EtherDrive

Storage

EtherDrive

Storage

10

11

SRX3200

SRX3200

Synchronous Replication

async replication for dr coop
Async-Replication for DR/COOP

20

VSX

DR/COOP Site

10

11

VSX

VSX

VSX

VSX

IP WAN

EtherDrive

Storage

EtherDrive

Storage

Production Site

20

VSX

EtherDrive

Storage

EtherDrive

Storage

10

11

virtualization communications flow
Virtualization Communications Flow

NFS Server

ESX 1

ESX 2

VSX aggregates storage from SR units into (1) or more Virtual Volume Group(s).

VSX can create LUNs of any size from this pool – small partitions or large cross-chassis.

LUN growth is configured independent of the initiator and Storage Appliance.

20

VSX

VSX

Volume Group

10

EtherDrive

Storage

EtherDrive

Storage

EtherDrive

Storage

SR1621

LUN 20.1

LUN 10.1

11

LUN 20.2

LUN 11.1

SR1621

12

LUN 20.3

LUN 12.1

SR1621

redefining storage economics
Redefining Storage Economics

Performance

Near-bare-metal, 2x faster than iSCSI and 30% faster than FC, 5-8x price performance over legacy storage

Simplicity

Ethernet SAN protocol eliminates complex MPIO topologies and arcane Fibre Channel management

Scalability

Just add more NICs and Disks. Handles 1/10 GB Ethernet, scales to multiple petabytes.

Virtualization Optimized

Flexible topology, lightweight protocol, massive throughput/IOPS, optimized disk layout

storage economics 101
Storage Economics 101

Utility Pricing:

Starts$0.03/Gb/month

Buy a Petabyte,

Get a Petabyte

Go Big: Enterprise

License Agreement

Multi-petabyte

Enterprise software license for CorOS -2 yrs

All-you-can-eat EtherDrive SRX & SR

CORAID provides you with BOM to procure HW direct from manufacturer

  • $0.03 for SR-Series (230 MB/sec, 2TB disk)
  • $0.045 for SRX-Series (500+ MB/sec, 1 TB disk)
  • 2-year commit, 6-mo prepay, includes onsite “zero-hour” hot spares
  • Buy a PB of EtherDrive SRX-Series
  • Get a PB of SR-Series
  • Total cost: $980k for 2 PB
  • (Avg. cost <$500/TB)
  • Business implications:
  • Amazon economics: <$0.05/GB/month
  • Ethernet simplicity, 10 Gb performance
  • One tier for all!
1200 customers
1200+ Customers

“CORAID EtherDrive gives us a tremendous amount of flexibility in how we configure our storage — something that is critical in the fast-changing world of next-generation sequencing.” -Dr. Elliott Margulies, NIH

vmware references
VMWare References
  • Configuring Coraid EtherDrive SAN appliances and deploying with ESX/ESXi 3.5 and 4.x (Partner Support)
      • http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1031322
  • Vmware and Coraid Technology Alliance Partner
      • http://www.coraid.com/pdf/app_notes/VMW_1110_Coraid_TAP.pdf
slide34

Questions?

Lauren Sands

lsands@coraid.com

617.455.7289

Dennis Sheehan

dennis@coraid.com

301.509.4328

http://www.coraid.com

slide35

CORAID CUSTOMER SUPPORT SERVICES

I. All Coraid Hardware purchased new and in it’s original packaging includes a 36 month warranty.

II. CORAID offers two service contract offerings. ( Bolded text indicates 24 x 7 vs. eSupport. )

   1.) eSupport:

-      S/W Update service.

-          24 x 7 access to the CORAID online support web site

-          email support to our US based support team.

-          Post email diagnostic RMA services ( Return to manufacturer. )

-          Hrs of coverage: From 8am to 5pm All US Time zones.

-          Days of week: M-F. 

    2.)  24 x 7  

-     S/W Update service

-          24 x 7 access to the COAID online support web site

-          Email and telephone support to our support team located in Athens GA, USA

-          Post diagnostic RMA services & 1 day advanced RMA. Pre diagnostic

-          Hrs of coverage: 24 hrs a day

-          Days of week: M-Sun ( 7 days / week.)

There is an Optional / add on to 24x 7 service contract that has functional advantages inline with the Coraid SRX architecture.  

-      Zero Hrs / onsite hot spare . . This service includes an on site CORAID EtherdriveSRX chassis with all interconnects.

 The spare SRX Chassis is put onsite and remains in “stand by mode” ready to accept disk subsystems from active SRX storage array.