Storage Area Network PPT.pptx
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Storage area networks (SAN) allow for data transfer between computer systems and storage elements over a network. A SAN consists of storage devices, servers, and a communication infrastructure using Fibre Channel that provides secure data transfer. SANs offer benefits like independent storage access, remote data transfer for disaster recovery, and centralized storage management. Considerations for SANs include management at the storage, network, and system levels as well as security measures like authentication, authorization, and access controls.
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1- Virtualization -- <I prefer this one> provide some flow chat also.
2- Standardization and Modularity
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- 2. STORAGE AREA NETWORKS (SAN)
- 3. 3 FINAL PRESENTATION Computer Networks CS_221 GROUP MEMBERS • SYED NOOR UL HASSAN SUBHANI (20021519-015) • MUHAMMAD ABDULLAH HASHMI (20021519-016) • USAMA ZAFAR (20021519-092) PRESENTED TO: • MR. MUBBASHAR HUSSAIN
- 4. 4 STORAGE AREA NETWORK(SAN) A network whose primary purpose is the transfer of data between computer systems and among storage elements.
- 5. 5 DEFINITION STORAGE AREA NETWORKS (SAN) • A network whose primary purpose is the transfer of data between computer systems and among storage elements. 01 • A storage system consisting of storage elements, storage devices, computer systems, and/or appliances, plus all control software, communicating over a network.
- 6. 6 ARCHITECTURE STORAGE AREA NETWORKS (SAN) 02 • A SAN consists of a communication infrastructure, which provides physical connections, and a management layer, which organizes the connections, storage elements, and computer systems so that data transfer is secure. • Fibre Channel is the most widely used SAN technology because of its speed, scalability and flexibility. • A SAN is typically based on one of two topologies: Ring topology that manages traffic flow. • It is a fairly inexpensive configuration for small and medium sized SANs. •
- 7. 7 BENEFITS STORAGE AREA NETWORKS (SAN) • Using a SAN can potentially offer the following benefits: 03 Storage is independent of applications and accessible through multiple data paths for better reliability, availability, and serviceability. Data transfer and vaulting to remote sites: Remote copy of data enabled for disaster protection and against malicious attacks. Centralized and consolidated storage: Simpler management, scalability, flexibility ,and availability. Higher application performance: Storage processing is off- loaded from servers and moved onto a separate network.
- 8. 8 CONSIDERATIONS STORAGE AREA NETWORKS (SAN) • SAN management architecture SAN storage level. SAN network level Enterprise systems level 04 • Data format Data can be stored as files, or in block format. • • Security Security in a LAN environment can be complex.. When utilizing multiple storage servers, it is critical that one server cannot overwrite another's information.. Access control is also extremely important.
- 9. 9 Recommended steps to minimize the risks : • Authentication • Administrative tasks require administrator log in access. • Devices must log in to the storage network to the data. SECURITY STORAGE AREA NETWORK (SAN) • Authorization • Individual administrators have permissions to only perform specific actions on specific devices. • Storage devices validate rights to data to prevent access from an unauthorized source.
- 10. NETWORK TECHNOLOGIES STORAGE AREA NETWOK (SAN) 10 Emerging Technologies • iSCSI • Fibre Channel over IP • Fibre Channel over ATM • Fibre Channel over SONET • Fibre Channel over dark fiber or DWDM Current Technology • Fibre Channel