an access to affordable storage area network over · pdf filewhat is aoe ata over ethernet...
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An Access to affordable Storage Area Network over
Ethernet
- The birth of AoE enabler
Jan-20-2010
Jay Wang
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Outlines
� What is AoE all about?
� Advantages vs Disadvantages
� Our approaches and viewpoints
� Introducing AoE enabler
� Why AoE enabler
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What is AoE
� ATA over Ethernet protocol
� A SAN technology
� Networked block storage
� CORAID is the pioneer of AoE
� World’s first SoC done by Layerwalker
� Utilized standard MAC header of IEEE 802.3 Ethernet frames
� No TCP/IP
� Native in Linux kernel 2.6.11 or later
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How AoE works?
InitiatorMAC address
TargetMAC address
PC HDD
ATA commands
ATA commands
Ethernet packetsby broadcasting
over
InitiatorMAC address
ATA commands
Local
SATA drive
AoE
Storage unit
end-to-end
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Who wants AoE?
� Consumer/professional
� AoE enabler + eSATA external hard drives
� 50Mbps access performance
� ease of use, like USB or 1394 drives
� SOHO/SMB
� RAID over Ethernet
� Shared storage for server pool
� Shared storage for workstations
� Nearline storage
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Advantages of AoE
� H/W Cost
� SATA HDD
� SAN
� Infrastructure cost
� Extra cost of GbE network is 0
� Efficiency of performance & easy config
� No TCP/IP
� Less complex of packets
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Disadvantages of AoE
� Very limited H/W solutions available� Coraid EtherDrive
� DIY a Linux machine
� High cost 3rd-party drivers� Lack of affordable commercial SAN FS
� Without SAN FS, write access is constrained to single use at a time to avoid conflict
� S/W, H/W Service providers are difficult to enter the market� Number of platforms in SMB segment is small
� Few consumer applications
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Concept of AoE enabler
AoE storage unit
AoE enabler
Pure
Storage unit
AoE storage unit
Decomposition
The current major problem is lack of choice
Embedded AoE storage means complex and expensive
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Concept of AoE enabler
Solution A
New AoE solutions developing
Recomposition
Solution B
Solution C
Value Added
Design
AoE enabler brings down the entrance barrier and brings up competition
AoE enabler
+
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Quick Installation
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Roadmap of AoE enabler
GbE
SATA/eSATA
Dual GbESATA/eSATA
GbE
SATA RAID0,1,3,5
Dual GbE
SATA RAID
0,1,3,5,6
AoE enabler
SATA RAID over Ethernet
10 GbE
10 GbE
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AoE enabler
� Project code name: SEEDIQ internal,
SEEDIQ external
� Function: converting a SATA HDD into a
single port AoE storage
� Interface:
� SATA or eSATA x1
� Giga Ethernet x 1
� OS supporting: Linux, XP/Vista, Mac OS
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SEEDIQ internal
� Compact size with a standard centronic bracket
� Giga Ethernet
� Compatible with SATA I and SATA II
� SATA RAID management tool over Ethernet is possible
� Quick implementation of AoE products by exist enclosures.
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SEEDIQ external
� Compact fan-less metal housing
� Giga Ethernet
� Compatible with eSATA HDD or RAID
� SATA RAID management tool over Ethernet is possible
� Upgrade a DAS to an SAN unit in minimum cost
� Running an eSATA portable HDD with a notebook without eSATA port
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Why AoE enabler?
� Time to market !!!
� Design Completeness
� Modularized subunit
� Compact and little impact to integration
� High quality of design and build
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Why JWE?
� Friendly expert and maniac of AoE storage
applications
� Engineering capabilities on H/W and S/W
� Quality management from design to
production
� Manufacturing resource in Taiwan and
China
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Thanks
Thanks for your interested on AoE enabler
For more information,
welcome to check our web site at
http://www.jwe.com.tw
or email to: [email protected]