Development of the Internet makes the information is to grow than people think. It was expected in the next three years, the amount of data generated will be more than several thousand years of human history since the sum of the information. The explosion of information hidden behind the network storage in the network began to receive widespread attention to the people, human beings will face the third wave of IT - Network Storage era, the information surge on the various industries has a huge impact, education, profession is no exception . China's education information is still in its infancy, how to keep up with the unstoppable wave of information technology, education industry in China can not avoid the question.
NAS-line teaching resource sharing scheme is a low cost, easy to install, easy to use, easy to manage, easy to expand the use of performance and reliability are very high storage and multimedia educational resource sharing solution, it can quickly and effectively solve the multi-media education When resources are facing rapid growth in the mass storage and network sharing, Ke for there's, under construction or Jiangyaoshishi the Gezhongjiaoyuan Wang, multi-media classrooms, electronic library of Research and Shu Zi. With the gradual warming of multimedia network teaching, campus network data traffic and the rapid growth of the number of concurrent users, all the school began to face the problem of overloading the network server. How the existing campus network to effectively store, manage and share multimedia teaching resources, primary and secondary online education has become the key to success.
Typical application topology as follows:
Network Attached Storage NAS is short for. NAS is a server that can be completely divorced from the direct access storage devices, NAS storage devices optimized for the tasks directly connected to the network, users can directly through the network to share data on NAS devices, resulting in higher efficiency and lower the share storage costs. Many large sites Web server and E-mail servers using the NAS network storage devices. Online Teaching Resources in the NAS sharing scheme, users do not need a network server, you can use WWW browser, network neighbors standard PC interface tool, NAS devices, direct access to teaching resources. Even if the network server crash, users can still access NAS devices as usual teaching resources. NAS is a plug and play network storage devices. NAS uses standard RJ-45 network interface, through the hub (Hub) or switch (Switch) can be directly connected to the campus online. Network administrators and teachers without traveling all the campus network can be of any one computer through Web browsing devices on the NAS storage devices for remote settings, remote upgrades and remote management, and greatly simplifies the storage devices and information resources management and maintenance. NAS files of various formats (PowerPoint, Word, Excel,. Jpg,. Mpg,. Wav, etc.) to share the same high-speed network, also enables the campus network storage space to complete the online capacity expansion, to solve the network storage with the use of the problem of insufficient production capacity. The schools need to increase each computer hard drive, can be based on the actual needs of teachers and students at any time to dynamically allocate the required storage space.
Most primary and secondary teaching resources online multimedia format, all facing the campus network will be affected too much data traffic to share the speed of teaching resources. NAS network storage device's physical location is very flexible and can be placed in the highest frequency of their visit to a working group (such as multimedia classrooms, or e-Discussion), the nearest to provide online learning resources to share time customization effectively solve the network congestion problems, greatly improve the campus network data throughput.
PowerNAS equipment As a result of multi-tasking, multi-threaded embedded Windows 2000 technologies to quickly handle and respond to multiple concurrent users from the network and the request from many different operating systems, its data transmission rate is close to network bandwidth limit. NAS network storage device with strong extensibility, along with the rapid growth of school teaching resources and gradually expand capacity.
PowerNAS resource sharing scheme has the best cost performance and the lowest total cost of ownership TCO (Total Cost of Ownership). TCO is the impact of the purchase of IT products, a very important factor, because of IT products, not the last time the first input into, with the explosive growth of information resources, the user must repeatedly carry out store expansion. TCO includes at least three years, all investment costs, expansion costs, management fees and maintenance costs.
PowerNAS online teaching resources sharing plan advantages:
1, using standard RJ-45 network interface, as long as the NAS device via a hub or switch connected to the TCP / IP network can be assigned an IP address, to be completed within 10 minutes to install and run.
2, easy to use, the client need to install any additional software, through the WWW browser, a standard PC network neighbors interface tools, you can visit on the NAS. NAS device settings, upgrade and management are available through Web browser remotely without traveling all network administrators and teachers. NAS management software can be placed within the campus network to all remote management of NAS devices, PowerNAS has strong stability and reliability, the system safe.
3, the location of installation flexibility, in order to reduce network congestion, proximity to the sharing of teaching resources available on-line services, there will be multiple NAS devices generally distributed in the campus network in different locations, such as networks, multimedia classroom, or an electric reading . NAS management software can be placed within the campus network to all remote management of NAS devices, PowerNAS has strong stability and reliability, the system safe.
Solution:
Education Information Center is a special center, which not only can see the distribution of the large number of nodes in the various schools of sharing information, the information can also be under the "extraction - convergence" principle of education gathered a huge amount of information resources . For example, it can evaluate a particular article, and visits to educational resources on the national classification of the grade, and the best resources into the central database. Therefore, there must be a lot of storage requirements. In the Network Information Center, which manages the campus network to all branches, so there should be a lot of important data need to store. Therefore, the proposed PowerNAS4100, it uses a dual Ethernet access, support for Gigabit Ethernet, and storage capacity (up to 320GB). It can be achieved using a fast and stable data storage, and the campus network as the number of servers used, species range, the data between heterogeneous platforms is a serious of Wen Ti Gong Xiang. PowerNAS4100 can be the perfect solution to this difficulty, with high performance.
Typical application topology as follows:
The information in the Campus Network Center, which manages the primary and secondary schools to share resources online, so there should be some need to store data. Therefore, the proposed PowerNAS4100, it uses the ATA100 interface, network bandwidth of up to 100GB / S. Support Gigabit Ethernet, and storage capacity (maximum 320GB). And because the campus network using the server they use NT servers, PowerNAS4100 is embedded using WINDOWS 2000 SERVER operating system, you can embed seamlessly with the existing environment, which has a high performance, easy management of the account to achieve . For important data that comes through PowerNAS4100 tape backup SCSI interfaces, as long as a DLT tape library can be complete data backup tasks, and because the use of direct-attached way, it will not take up any bandwidth. Our products are also embedded NAS backup software, reducing software costs extra.
As shown:
In the campus network, is widely used Fast Ethernet, and data storage is relatively small, it suggested PowerNAS4100 (160GB), two network cards it can bind a way to improve the transfer rate of IP (Load Balance) , the maximum storage space is 160GB, fully meet the needs of our customers, with high cost, and easy to use. And the same can be important data for the onboard SCSI interface tape backup.
As shown:
PowerNAS4100 equipment used to complete the following functions:
1. Built-in WINDOWS 2000 server operating system provides Quotas for each user function can be assigned to multiple users with different space and supports multi-master domain
2. Support network backup protocol (NDMP), redundant hardware design to avoid the occurrence of a single point of failure. SNMP error EMAIL SMTP alarm system and monitoring. Fully guarantee the reliability of the system.
3. Provide Disaster Recovery and hot backup to ensure data security and reliability. Unique log file system to protect the system security and reliability.
4. Standard Web-based GUI management. Convenient to install, easy to operate, the network added 320GB of storage capacity of the whole process can be completed within 10 minutes, storage medium for the ATA100 IDE hard drive, fault tolerant data protection (RAID0, RAID1, RAID5).
5. Support multiple operating systems (WinNT, Unix, Linux, MAC, Novell, etc. to share a storage device, to support existing Fast Ethernet and Gigabit Ethernet networks. Support protocols such as NFS, SMB / CIFS, HTTP, FTP , SNMP, NCP, AFP, etc.. built-in backup system, with a client backup software 1Safe a certain extent, to avoid the cost of secondary users (such as backup software).
6. Save network bandwidth resources and I / O bandwidth resources. Customizable daily local or network backup, local or network data to ensure the safety and reliability. Technical support services for the 24 * 7 * 365 (year Service).
By PowerNAS equipment and get a final result:
1, real-time or regular data backup to ensure data security and reliability. Support for ATL, DLT, ADIC, HP tape library. Embedded backup tool, saving unnecessary expenses fully support third-party backup software (VERITAS's NetBackUp3.2 and LEGATO's NetWorker6.0)
2, support network management software such as CA TNG HPOpenView. To support remote management. (TCP / IP V3). SMTP Monitoring. WEB-based GUI management quick and easy, can avoid hiring full-time technicians to manage and maintain. High availability ensures uninterrupted service work, from data services without fear of overload due to crashes caused by the phenomenon of service to stop working.
3, installed in the existing network, without changing the network structure of TOPO. Quotas unique distribution mechanism, simplifies the network administrators to allocate space for the user's burden. Allow network administrators from the arduous work completely freed.
4, Client OS Support, multiple servers share a single storage device (Dos, Windows95/98/NT/2000, MAC, Unix (Solaris, SUNOS, HP-UX, IBM-AIX, SGI-IRIX, BSD, Linux, SCO , COMPAQ, ETC).
The Education Information Center, a variety of different platforms to schools unified storage and backup of data, simplify data management process, all-weather line management network group, summary of all the educational resources; the same time, ensure data safety and availability , the value is enormous.