Adaptec maxCache 3.0
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Transcript of Adaptec maxCache 3.0
ADAPTEC maxCacheTM 3.0Read and Write SSD Caching Solution
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THE DATA CENTER CHALLENGE
Today’s data centers and cloud computing environments must provide high I/O performance and low latency in order to support growing user bases and large-scale applications such as web serving, file serving, databases, online transaction processing (OLTP), Microsoft Exchange Server, and high performance computing (HPC).
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THE DATA CENTER CHALLENGE
Tight budgets compel data centers to increase the number of users hosted per server in order to reduce the cost of service (COS) as well as the Capital Expense (CapEx) and Operating Expense (OpEx) of additional hardware
But adding more users to a server causes an increase in latency and a decrease in I/Os per second (IOPS)
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Series1
IOPS
Latency
Users Hosted per Server
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HOW CRUCIAL IS WEBSITE PERFORMANCE TO BUSINESS?
Akamai: 30%-50% of transactions that take over 4 seconds, bail out1
Shopzilla: 5-second speedup resulted in 25% pageview increase, 10% increase in revenue, 50% decrease in hardware, and a 120% increase in traffic from Google1
78% of site visitors have gone to a competitor’s site due to poor performance during peak times2
88% are less likely to return to a site after a poor user experience2
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in Latency costs
100ms
1% in sales1
1“Latency: The Achilles Heel of Cloud Computing”; Internap whitepaper
2“When more Website visitors hurt your business: Are you ready for peak traffic?”; Equation Research 2010
Amazon:
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IMPACT OF LATENCY ON DATA CENTERS AND CLOUD COMPUTING ENVIRONMENTS
To maintain appropriate performance levels, data centers and cloud computing environments must add new servers to maintain appropriate levels of service, even if the existing servers have storage capacity for more users
This results in low storage capacity utilization and an increase in CapEx and OpEx (namely maintenance, power and cooling costs), as well as an increase in physical space requirements
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ADAPTEC maxCache 3.0 SSD CACHING SOLUTIONS – THIRD GENERATION
Improving I/O performance while also increasing the available server capacity can increase the number of users per server and lower the cost per user
Available on select Adaptec RAID adapters, maxCache SSD caching uses Solid State Drives (SSDs) and Hard Disk Drives (HDDs) to alleviate the bottleneck that can occur between server processors and hard drives, delivering increased IOPS and reduced latency
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Solid State Drives
SATA/SAS Hard Drives
Cache
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ADAPTEC maxCache SSD CACHING SOLUTIONS
Adaptec maxCache leverages its unique presence in the data path and utilizes an Adaptec-only algorithm that identifies frequently-accessed (“hot”) data, and optimizes "reads" and "writes" by copying this data into an SSD cache pool for faster retrieval of future requests.
Because maxCache works at the controller level, these processes are completely transparent and do not require any changes to storage architectures, application software or operating systems.
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ADAPTEC maxCache 3.0 – READ AND REDUNDANT WRITE BACK CACHING
Introduced with 6GB/s Adaptec Series 7Q RAID adapters, maxCache 3.0 features additional optimizations to the algorithm that improve read caching
By caching writes to a redundant SSD cache pool (either RAID1E or RAID5), maxCache 3.0 leverages the performance and latency capabilities of SSD technology for both read and write workloads
Adaptec maxCache 3.0 supports up to 8 SSDs with up to 2TB of SSD cache
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ADAPTEC maxCache 3.0 OPTIMIZED DISK UTILIZATION
Also new to maxCache 3.0 is the inclusion of the Optimized Disk Utilization (ODU) feature, which allows the SSDs to be partitioned into both a cache pool and logical device
The logical partition, unlike the cache pool, is exposed to the operating system and can be used to install an OS to it or store other data that requires fast, low-latency access
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ADAPTEC maxcache 3.0 READ CACHING PERFORMANCE VS. HDD-ONLY SOLUTIONS
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10,000
20,000
30,000
40,000
50,000
IOPs
SAS HDDs SAS HDDs w/ maxCache
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25
50
75
100
Latency
SAS HDDs SAS HDDs w/ maxCache
25X
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RAID 0 performance comparison under 100% Random Read IOmeter workload Eight 15k rpm SAS HDDs, 300GB capacity each; maxCache enabled with two 100GB SATA SSDs
(ms)
25X
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LOWER TOTAL COST OF OWNERSHIP
By accelerating IOPS and reducing latency, maxCache allows data center and cloud computing environments to host more users and perform more transactions per second using less server hardware
The reduction in servers reduces CapEx for server hardware purchases
The reduction in servers also reduces OpEx by lowering power, cooling, and maintenance costs
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*Using an estimated unit H/W cost of $15,000 and zero S/W license fees
**Using system Power Estimator @ 800W per server, and a National DOE average of $0.11 per kWH
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ADAPTEC maxCache 3.0 RAID ADAPTERS
Adaptec 71605Q: 6Gb/s PCIe Gen3, 16 internal ports, low profile, SAS/SATA RAID Adapter with SSD caching support, ZMCP, IPM, advanced data protection, and maximum scalability. SSD not included.
Adaptec 7805Q: 6Gb/s PCIe Gen3, 8 internal ports, low profile, SAS/SATA RAID Adapter with SSD caching support, ZMCP, IPM, advanced data protection, and maximum scalability. SSD not included.
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Product FamilyHost Interface
5 = PCIe
7 16 0 5 Q
Internal Port Count
External Port Count
maxCache
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ADAPTEC Maxcache RAID ADAPTERS
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Adaptec RAID 71605Q 7805Q 6805Q 6805TQ
Order Part Number 2274600-R (single) 2274300-R (single) 2270700-R (single) 2273600-R (single)
maxCache Level maxCache 3.0 maxCache 3.0 maxCache 2.0 maxCache 2.0
RAID Levels 0, 1, 1E, 5, 6, 10, 50, 60 0, 1, 1E, 5, 6, 10, 50, 60 0, 1, 1E, 5, 6, 10, 50, 60 0, 1, 1E, 5, 6, 10, 50, 60
Form Factor MD2 – Low Profile MD2 – Low Profile MD2 - Low Profile MD2 - Low Profile
Ports 16 internal 8 internal 8 Internal 8 Internal
Connectors 4 SFF 8643 (Internal)
2 SFF 8643(Internal)
2 SFF-8087(Internal)
2 SFF-8087 (Top-mounted)
Bus Interface 8-Lane PCIe Gen 3 8-Lane PCIe Gen 3 8-Lane PCIe Gen 2 8-Lane PCIe Gen 2
Processor PM8015 PM8015 PM8013 PM8013
Cache 1024MB 1024MB 512MB 512MB
ZMCP Kit Included (AFM-700) Included (AFM-700) Included (AFM-600) Included (AFM-600)
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INTEROPERABILITY AND COMPATIBILITYWORKING WITH OUR PARTNERS
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Adaptec by PMC engages with over 25 ecosystem partners Tested with over 300 disk drives, systems, entry-level storage devices, and
other devices Ongoing effort – will test new devices when available
Seamless integration into any server design Less hassle for system integrators
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CONCLUSION Data center operators and cloud applications are challenged to
implement cost-effective performance improvements to meet the demands of high-throughput applications and growing user bases
Adaptec maxCache 3.0 SSD caching is available on Series 7Q RAID adapters and improves application performance up to 25x and reduces latency by 25x compared to HDD-only solutions
These performance gains allow data center operators and cloud applications to host more users and perform more transactions with less server hardware, and greatly reduce their CapEx and OpEx
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