how Cloudian HyperStore can be deployed on Cisco UCS servers running ... and tesng, Cloudian used the Yahoo Cloud Servin
VERSION 5.5 JUNE 2, 2015
TECHNICAL REPORT
Cloudian HyperStore® with Cisco Unified Compu ng System TR-1001 CLOUDIAN
CONTENTS EXECUTIVE SUMMARY .............................................................................................................................. 2 SOLUTION OVERVIEW ............................................................................................................................... 2 USE CASES ................................................................................................................................................. 3 CISCO UNIFED COMPUTING SYSTEM ........................................................................................................ 4 Cisco UCS C240 M4 Rack Server ............................................................................................................ 5 CLOUDIAN HYPERSTORE SOFTWARE ........................................................................................................ 6 Mul -Datacenter and Mul -Region ...................................................................................................... 7 Summary of key features of Cloudian HyperStore ................................................................................ 7 Cisco UCS hardware configura on ........................................................................................................ 8 Opera ng System Configura on ........................................................................................................... 8 Cloudian HyperStore® Configura on .................................................................................................... 8 iNSTALLATION ............................................................................................................................................ 9 Load Genera on tool Choice .............................................................................................................. 12 Results Summary ................................................................................................................................. 12 CONCLUSION ........................................................................................................................................... 13
CLOUDIAN HYPERSTORE WITH CISCO UNIFIED COMPUTING SYSTEM | CLOUDIAN 1
EXECUTIVE SUMMARY With the massive growth of data from the Internet of Things (IOT), collabora on, and compliance end users are demanding low-cost, flexible, easy-to-scale, and simple-to-manage data center storage solu ons. So ware-defined object storage meets these demands by capitalizing on industry-standard x86 infrastructure and storage technologies to deploy storage solu ons that are more economical and manageable than tradi onal storage architectures in existence today. In combina on with the worldclass Cisco Unified Compu ng System™ (Cisco UCS®), Cloudian HyperStore so ware-defined storage enables enterprises to efficiently meet their growing data needs and rapidly respond to business demands. Cloudian HyperStore and Cisco UCS together deliver the following benefits:
Complete integrated data center solu on: compu ng, networking, and storage
Reduced total cost of ownership (TCO) that con nues to improve as the solu on is scaled out
Opera onal efficiency
Agility and scalability with the scale-out architectures of Cloudian HyperStore and Cisco UCS
Complete Amazon Simple Storage Service (S3) API–compa ble geographically federated object storage pla orm
Enterprise-class features: mul tenancy, quality of service (QoS), and dynamic data placement in a completely so ware-defined package
Policy-based ering between on-premises hybrid cloud storage pla orm and any S3 API– compliant private or public cloud
Investment protec on: mix and match different genera ons and densi es of compu ng pla orms to build your storage environment; more than 400 applica on vendors support S3
SOLUTION OVERVIEW This reference architecture provides an overview of the joint Cisco UCS and Cloudian HyperStore so ware-defined scale-out object-storage solu on. It provides both detailed architecture and suppor ng performance informa on. The intent of this document is to enable the reader to understand how Cloudian HyperStore can be deployed on Cisco UCS servers running Red Hat Enterprise Linux (RHEL) 6.6. The document describes the setup and observed performance on a non-tuned, unaltered system. For load genera on and tes ng, Cloudian used the Yahoo Cloud Serving Benchmark (YCSB) tool. Details about the test setup and parameters used can be found in the performance sec on. For this tes ng, Cisco UCS C240 M4 Rack Servers were chosen for their excellent cost-to-performance ra o. This combined solu on architecture can be used for several use cases: file synchroniza on and sharing and remote-office collabora on, enterprise backup and archiving, private cloud storage, secondary storage for Citrix CloudPla orm and OpenStack, and big data analy cs. Every a empt has been made to keep the setup as realis c and close to a real produc on environment as possible.
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USE CASES This solu on has broad applicability and is par cularly relevant for the following use cases:
Backup and archival for big data: As the amount of electronic data has increased drama cally, backup windows have shrunk. Despite this new era of big data, IT and backup administrators have been asked to use an quated methods to manage the demands. As a result, IT and backup administrators are spending considerable me and budget managing onsite and offsite backup opera ons and reac vely performing data recovery as the need arises. Cloudian, working with backup so ware partners, addresses the challenges associated with big data backup for enterprises and managed solu on providers. Smart data analy cs: Today’s smart businesses are con nuously increasing their use of data analy cs to derive business value from their data and provide a be er customer experience. Cloudian HyperStore is at the forefront of smart data analy cs, with efficient, scalable storage for the Internet of Things. Enterprises can now run Hadoop analy cs directly on Cloudian HyperStore so ware and appliances. This in-place analy cs enables customers to derive meaningful business intelligence from their data quickly, efficiently, and economically. Remote office backup: Many enterprises today are geographically dispersed and have many remote offices. These remote offices need to share and collaborate on content. In addi on, the data must be protected and backed up. Enterprises want to enhance sharing across these remote loca ons and protect and secure their business data, all with central IT administra on and control. Organiza ons use Cloudian HyperStore storage to provide a central, trusted backup and file-share repository and server share for regional offices. Enterprise file synchroniza on and sharing: With the prolifera on of mobile devices and the digi za on of content, organiza ons need new solu ons to enhance collabora on between users. Tradi onal network-a ached storage (NAS) and SAN infrastructure do not support mobile devices well and don’t support the distributed nature of the content. Organiza ons seeking to deploy enterprise file synchroniza on and sharing so ware can use Cloudian object storage to store and access user files from any loca on and any device of their choice. Private and hybrid cloud storage: Modern enterprises are transforming their IT departments to provide IT services on demand, much like the public cloud does. Organiza ons are implemen ng S3 private clouds and cloud pla orms like Apache CloudStack and OpenStack to implement these private cloud environments. Cloudian HyperStore storage provides the trusted, scalable storage pla orm to power these private clouds. On-premises Cloudian HyperStore so ware integrates transparently with the Amazon cloud for scalable and costeffec ve hybrid cloud deployments. The Cloudian and Amazon combina on provides a unique 100 percent S3-compliant hybrid cloud storage pla orm that enables IT to meet any servicelevel agreement (SLA) at the right cost. Service provider as a service: Tradi onally, service providers have used exis ng storage technologies—specifically, NAS and SAN—to offer storage as a service. However, these tradi onal storage technologies are be er suited for small enterprises and don’t scale sufficiently to handle large cloud deployments. Cloudian HyperStore includes necessary features such as mul tenancy, mul currency ra ng plans, billing capabili es, and QoS metrics and enforcement, as well as an API that allows service providers to integrate the Cloudian HyperStore into their own portals.
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CISCO UNIFED COMPUTING SYSTEM Cisco UCS is a next-genera on data center pla orm that combines compu ng, networking, and storage access resources. The pla orm is op mized for various enterprise workloads using open industrystandard technologies and aims to reduce TCO and increase business agility. The system integrates a low-latency, lossless 10 Gigabit Ethernet unified network fabric with enterprise-class, x86-architecture servers. It is an integrated, scalable, mul -chassis pla orm in which all resources par cipate in a unified management domain (Figure 1).
FIGURE 1 CISCO UCS ARCHITECTURE
The main components of Cisco UCS are: Compu ng: The system is based on an en rely new class of compu ng system that incorporates blade servers based on Intel® Xeon® processor E5-2600 and 4600 and E7-2800, 4800, and 8800 series CPUs.
Network: The system is integrated onto a low-latency, lossless, 10-Gbps unified network fabric. This network founda on consolidates LANs, SANs, and high-performance compu ng networks, which are separate networks today. The unified fabric lowers costs by reducing the number of network adapters, switches, and cables, and by decreasing the power and cooling requirements.
Virtualiza on: The system unleashes the full poten al of virtualiza on by enhancing the scalability, performance, and opera onal control of virtual environments. Cisco security, policy enforcement, and diagnos c features are now extended into virtualized environments to be er support changing business and IT requirements.
Storage access: The system provides consolidated access to both SAN storage and NAS over the unified fabric. By unifying the storage access, Cisco UCS can access storage over Ethernet, Fibre Channel, Fibre Channel over Ethernet (FCoE), and Small Computer System Interface over IP
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(iSCSI). This approach provides customers with choice for storage access and investment protec on. In addi on, server administrators can pre-assign storage-access policies for system connec vity to storage resources, simplifying storage connec vity, and management for increased produc vity.
Management: The system uniquely integrates all system components, which enables the en re solu on to be managed as a single en ty by Cisco UCS Manager. The manager has an intui ve GUI, a command-line interface (CLI), and a robust API to manage all system configura on and opera ons.
CISCO UCS C240 M4 RACK SERVER The Cisco UCS C240 M4 Rack Server (Figures 2 and 3) is designed for both performance and expandability over a wide range of storage-intensive infrastructure workloads, from big data to collabora on. The Cisco UCS C240 M4 offers up to two Intel Xeon processor E5-2600 v3 processors, 24 DIMM slots, 24 disk drives, and two 1 Gigabit Ethernet LAN-on-motherboard (LOM) ports to provide excep onal levels of internal memory and storage expandability and excep onal performance. The Cisco UCS C240 M4 interfaces with the Cisco UCS virtual interface card (VIC). The VIC is a virtualiza on-op mized FCoE PCI Express (PCIe) 3.0 x2 10-Gbps adapter designed for use with Cisco UCS C-Series Rack Servers. The VIC is a dual-port 10 Gigabit Ethernet PCIe adapter that can support up to 256 PCIe standards-compliant virtual interfaces, which can be dynamically configured so that both their interface type (network interface card [NIC] or host bus adapter [HBA]) and iden ty (MAC address and worldwide name [WWN]) are established using just-in- me provisioning. In addi on, the Cisco UCS VIC 1227 can support network interface virtualiza on and Cisco® Data Center Virtual Machine Fabric Extender (VM-FEX) technology. The server is equipped to handle up to 24 front-loading drives plus two (op onal) internal SATA boot drives, for a total of 26 internal drives. The Cisco UCS C240 M4 server's disk configura on delivers balanced performance and expandability to best meet individual workload requirements. With up to 24 small-form factor (SFF) drives or 12 large form-factor (LFF) drives, plus two op onal internal SATA boot drives, the Cisco UCS C240 M4 op onally offers 10,000- and 15,000-rpm SAS drives to deliver a high number of I/O opera ons per second for transac onal workloads such as database management systems. In addi on, high-capacity SATA drives provide an economical, large-capacity solu on. Superfast SSDs are a third op on for workloads that demand extremely fast access to smaller amounts of data. A choice of RAID controller op ons also helps increase disk performance and reliability. For a full descrip on of the UCS C240 M4 pla orm, see the data sheet at h p://www.cisco.com/c/en/us/products/servers-unified-compu ng/ucs-c240-m4-rackserver/index.html
Figure 2. Cisco UCS C240 M4 Rack Server front view
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Figure 3. Cisco UCS C240 M4 Rack Server Rear View
CLOUDIAN HYPERSTORE SOFTWARE Cloudian HyperStore so ware delivers a fully S3 API–compliant, mul tenant, and mul ple–data center hybrid cloud storage solu on (Figure 4). Cloud service providers use Cloudian HyperStore so ware to deploy public clouds and managed private clouds. Enterprises use Cloudian HyperStore so ware to deploy private and hybrid clouds. Cloudian HyperStore so ware employs a fully distributed and replicated peer-to-peer architecture with no single point of failure. It easily scales horizontally using commodity hardware, so deployments can start with a few servers in a single data center and then, as use increases, scale out to thousands of servers distributed across mul ple data centers managing hundreds of petabytes of data. Its distributed architecture, with automa c replica on and recovery services, makes it highly resilient to network and node failures without data loss. Similarly, during storage cluster scaling or maintenance opera ons, changes in node availability are automa cally detected without service interrup on. FIGURE 4: Cloudian HyperStore Hybrid Cloud
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Features such as hybrid cloud streaming, virtual nodes, configurable erasure coding, and data compression and encryp on provide highly efficient storage and data management that lets users store and access their data where they want it, when they want it. MULTI‐DATACENTER AND MULTI‐REGION Each Cloudian HyperStore so ware implementa on starts with three or more distributed nodes (Figure 5). Then objects are replicated or erasure coded across the available nodes for data durability and availability. Administrators can configure the number of replicas and erasure-code strategy required to meet SLA and cost objec ves, including the op on to replicate copies to other data centers for geographic redundancy. Read and write opera ons are always performed at the local data center, with remote replica on performed in the background to avoid the latency of remote write opera ons.
FIGURE 5: HyperStore Mul Data Center Topology
SUMMARY OF KEY FEATURES OF CLOUDIAN HYPERSTORE Cloudian HyperStore offers these main features:
Configurable consistency: Configure the level of data consistency for read and write opera ons. Op mized for all data sizes: Support erasure coding and replica on in the same system. Support for heterogeneous storage nodes: Deploy heterogeneous nodes in a single cluster. S3 data ering: Tier on-premises storage into the Amazon Web Services (AWS) cloud or other S3-compa ble storage. QoS: Set limits on storage consump on and I/O by user and by group. Security: Support Advanced Encryp on Standard (AES) 256 server-side encryp on and SSL. Compression: Support three types of data compression technology: lz4, snapp, and zlib. Mul tenancy: Define specific classes of service for groups and users with billing and chargeback features. Enterprise management and monitoring: Perform system monitoring and administra on through the GUI or Representa onal State Transfer (REST) APIs. CLOUDIAN HYPERSTORE WITH CISCO UNIFIED COMPUTING SYSTEM | CLOUDIAN 7
Fully S3–compliant API for the broadest applica on support: The S3-compliant API helps ensure transparent opera on of applica ons developed for Amazon S3.
CONFIGURATION SETUP The combined Cisco and Cloudian solu on has the following configura on (Figure 6): CISCO UCS HARDWARE CONFIGURATION
Eight Cisco UCS C240 M4 LFF servers Two 8-core Intel Xeon processor E5-2650 v2 CPUs per server Twelve 3-terabyte (TB) LFF Near-Line SAS (NL-SAS) drives per server 256 GB of memory at 1866 MHz per server One Cisco UCS VIC 1225: 2 x 10 GB per server
OPERATING SYSTEM CONFIGURATION
Red Hat Enterprise Linux 6.6
CLOUDIAN HYPERSTORE® CONFIGURATION
Cloudian HyperStore® 5.1
FIGURE 6: Cloudian HyperStore and Cisco UCS Architecture
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INSTALLATION This sec on briefly describes the installa on process. Please refer to the Cloudian HyperStore So ware Installa on Guide for detailed installa on instruc ons. Cloudian HyperStore so ware is provided as a self-extrac ng binary file and is easy to install. In the test setup, a er the .bin file is downloaded, Cloudian HyperStore installa on and configura on is a simple four-step process. Note: For all steps, the installa on directory is assumed to be /root/CloudianPackages. Step 1: Extract the contents of the file into the installa on directory of the .bin file. root#./CloudianHyperStore-5.1.bin
Cloudian uses Puppet, a widely used open source tool, to propagate the ini al configura on se ngs to the member nodes in the Cloudian HyperStore cluster. The Cloudian HyperStore automated installer installs the following third-party so ware packages on your Puppet master node and on all other Cloudian HyperStore nodes, if the packages are not already installed:
Java Run me Environment (JRE) Release 7 (jre-1.7.0_60 or later)
Ruby 1.8.7 (required by Puppet)
Puppet 2.7.18 or later (Puppet master so ware on your Puppet master node and Puppet agent so ware on all your Cloudian HyperStore nodes)
Facter 1.7.2 or later ( companion u lity for Puppet, created by Puppet Labs)
Step 2: Prepare disk resources for Cloudian HyperStore consump on. As part of the extrac on, the .bin file will also create a /root/CloudianTools directory. This directory contains the script configure_appliance.sh. Run this script on each node following detailed instruc ons in the Cloudian HyperStore So ware Installa on Guide to create one mount point per available disk in the system following the conven on /cloudian1 … /cloudian(n). Step 3: Define the cluster configura on. The most important step in the installa on process is defining the cluster setup. In the test configura on, the cluster was created with one data center and one rack. This configura on is accomplished by defining a survey file that is used as an input for the installa on script. The survey file for this test cluster read as follows: # survey.csv file region1, cloudian-node1, region1, cloudian-node2, region1, cloudian-node3, region1, cloudian-node4, region1, cloudian-node5, region1, cloudian-node6, region1, cloudian-node7, region1, cloudian-node8,
10.0.140.51, 10.0.140.52, 10.0.140.53, 10.0.140.54, 10.0.140.55, 10.0.140.56, 10.0.140.57, 10.0.140.58,
DC1, DC1, DC1, DC1, DC1, DC1, DC1, DC1,
RAC1 RAC1 RAC1 RAC1 RAC1 RAC1 RAC1 RAC1
Step 4: Run the installer. root# ./cloudianInstall.sh -s survey.csv
You are presented with the following menu:
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Follow the steps and complete ac ons 1 through 7 in sequence: 1. Set up access to agent nodes: This ac on sets up Secure Shell SSH access from the Puppet master node to all the nodes on which you are installing Cloudian HyperStore so ware (the agent nodes). During this ac on, you will need to provide the root user’s password for each node. 2. Configure cluster: As you complete this ac on, you will be prompted for informa on about your environment, and in most cases the prompts will present you with a default value in brackets. To accept a default se ng, press Enter at the prompt. If you need guidance about some of the informa on requests that you encounter during this task, please refer to the Cloudian HyperStore So ware Installa on Guide. 3. Review cluster configura on: This ac on shows you the default assignment of specific Cloudian HyperStore service func ons to par cular hosts within your cluster. The installa on tool makes these assignments automa cally, using the survey file that you provided. A er you confirm that these assignments are sa sfactory, the tool applies these se ngs to the configura on templates on the Puppet master. (Along with showing you these assignments in the console, the installer writes the assignments to a CloudianInstalla onConfigura on.txt file in the installa on staging directory.) 4. Install Cloudian HyperStore packages: This ac on installs Cloudian HyperStore Red Hat Package Managers (RPMs) on each node. This process may take a while. 5. Run Puppet to configure agent nodes: You will be asked whether you want to list the installa on hosts on which to run agents. Instead, choose to run agents on all hosts. This se ng is the default. The Puppet process will take some me. At the end of the process, you should see messages indica ng that all agent runs were completed successfully. 6. Load Cassandra schema: This ac on sets up the Cassandra data schema used by the Cloudian HyperStore system. You may ini ally see console text sta ng "Problem obtaining ring status from Cassandra node… Will retry". This behavior is expected and is not cause for concern. At the end of the schema loading process, you should see console text indica ng that your Cassandra ring is up and running. 7. Start services: This ac on starts all Cloudian HyperStore services on all your installa on nodes. Star ng all the services may take some me. Console messages indicate the progress. Note that when star ng services, the install tool uses the restart command (to help ensure that no Cloudian HyperStore processes are lingering from a prior session). A er you’ve successfully completed ac ons 1 through 7, you can use the installa on tool’s op on T to run some basic automated tests to confirm that your system is working properly. For more informa on, CLOUDIAN HYPERSTORE WITH CISCO UNIFIED COMPUTING SYSTEM | CLOUDIAN 10
please refer to Cloudian HyperStore So ware Installa on Guide. At this point, the cluster is fully func onal and ready to be tested. FUNCTIONAL TESTING Cloudian provides a standard template for func onal and high-level performance tes ng. The intent of this template is to demonstrate and establish basic capabili es of the Cloudian HyperStore solu on as well as to provide an es mate of the rela ve performance expected from the 8-node setup. Table 1 summarizes the test results. Table 1: Func onal Tes ng Results Evaluation Test
Success Criteria
Demonstrate Cloudian Cluster Installation
Demonstrate Basic Cloudian Functions
Demonstrate Cloudian Protection Capabilities Demonstrate Basic S3 Compatibility
Cloudian Management Console (CMC) walkthrough: Create a group. Create a user. Create a bucket. Upload user data into the bucket.
Demonstrate Advanced Cloudian Functions
Demonstrate Cloudian Enterprise Resiliency Functions
Demonstrate creation and verification of data based on replication. Demonstrate creation and verification of data based on erasure coding. Dragon Disk Demo: Demonstrate integration with off-the-shelf third-party S3 browser. Demonstrate Cloudian QoS capabilities. Demonstrate multitenant support. Configure autotiering for S3 and other S3compatible clouds. Demonstrate configuration of per-bucket storage policies. Demonstrate Cloudian reporting capabilities.
Success
Success
Success Success
Success
Demonstrate node failure and recovery.
Demonstrate and measure Cloudian Performance
Demonstrate installation of a cluster through a single console. Provide basic explanation of Cloudian HyperStore components and architecture.
Final Result
Note: Network and disk failure did not need to be tested in this setup. Explain Cloudian test suite use for load generation. Provide standardized testing tools to the customer.Provide standardized testing tools to the customer
Success
Success
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LOAD TESTING OF CISCO UCS AND CLOUDIAN HYPERSTORE The final test performed in the standard tes ng template performed object storage opera ons and demonstrated representa ve performance characteris cs that are possible using Cloudian HyperStore on Cisco UCS appliances in replica on mode. This test demonstrated the system under load and was not a scaled or op mized performance test. LOAD GENERATION TOOL CHOICE To simulate near-produc on workloads, YCSB is a popular tool. It is an industry-standard test tool developed by Yahoo! Labs to benchmark key-value and cloud-serving stores. The framework consists of a workload-genera ng client and a package of standard workloads that cover interes ng parts of the performance space (read-heavy workloads, write-heavy workloads, scan workloads, etc.). An important aspect of the YCSB framework is its extensibility: the workload generator lets you easily define new workload types, and you can also easily adapt the client to benchmark new data serving systems. The YCSB framework and workloads are available as open-source tools so that developers can use YCSB to evaluate systems and contribute new workload packages that model interes ng applica ons. More informa on about YCSB tool can be found in a paper from the ACM Symposium on Cloud Compu ng 2010, Benchmarking Cloud Serving Systems with YCSB (h p://research.yahoo.com/files/ycsb.pdf). RESULTS SUMMARY An 8-node Cisco UCS and Cloudian geocluster was installed and configured using the replica on method for data protec on. In the test, three copies of the data were created, making the system completely resilient against two component failures. Load generators created 1 million objects each 1 MB in size, which created 3 million objects in the en re cluster, given the replica on factor of 3. Each load-generator node was configured to simulate the load of 2400 clients. The tests were run for following workloads:
Realis c read-heavy mix (GET: 60 percent, PUT: 10 percent, DEL: 5 percent, and LIST: 25 percent Read only (GET: 100 percent) Write only (PUT: 100 percent)
Table 2: Results No of Nodes = 8
Aggregate Throughput
100% GET
100% PUT
READ HEAVY MIX
2.38 GB/s
678 MB/s
2.23 GB/s
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CONCLUSION Enterprise customers require nimble, robust systems that provide secure, easy-to-scale, and easy-toaccess data storage solu ons. To meet these needs, enterprises are turning to Cisco UCS and Cloudian HyperStore object storage. Cisco and Cloudian deliver cost-efficient, complete end-to-end, scale-out data center solu ons that provide end users with the integrated compu ng, networking, and storage pla orm needed to thrive in today’s business world. Cloudian HyperStore provides a stable storage environment to enterprise customers who depend on data to run their business and maintain a compe ve advantage, storing data for analy cs, file sharing and backup, archiving, or other purposes,. By decoupling storage func ons from the underlying hardware and by using industry-standard x86 infrastructure, Cloudian HyperStore offers manageability, performance, and data availability far superior to that offered by tradi onal NAS and SAN arrays, which use expensive custom, proprietary hardware. And Cloudian offers this storage at a frac on of the price of proprietary scale-up solu ons. This document demonstrates the benefits of the combined Cisco and Cloudian solu on: faster me to produc on, superior performance, and investment protec on derived for industry-standard architecture. The reference architecture and deployment steps demonstrate the solu on’s ease of setup, configura on, and use. For more informa on about Cloudian product offerings, visit h p://www.cloudian.com. For more informa on on Cisco UCS product offerings, visit h p://www.cisco.com/c/en/us/products/servers-unified-compu ng/index.html.
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©2015 Cloudian, Inc. Cloudian, and the Cloudian logo are registered trademarks or trademarks of Cloudian, Inc. All other trademarks CLOUDIAN HYPERSTORE WITH CISCO UNIFIED COMPUTING SYSTEM | CLOUDIAN are property of their respec ve holders.
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