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SAN Switch

Used SAN Switch or Refurbished SAN Switch of Cisco, Dell, IBM, EMC, and HP in UAE.

San Switch

What is SAN Switch?

A SAN (Storage Area Network) switch is a high-speed, specialized network switch designed to connect storage devices and servers to a storage network. SAN switches are used to create a dedicated network that enables storage systems to communicate with each other and with servers, enabling efficient data transfer and storage management.


SAN switches use Fibre Channel or iSCSI (Internet Small Computer System Interface) protocols to transport data between storage devices and servers. Fibre Channel is a high-speed, low-latency protocol that is commonly used in high-performance storage networks, while iSCSI uses the existing Ethernet infrastructure to connect storage devices to the network.


SAN switches provide advanced features like zoning, which enables administrators to partition the network to ensure that only authorized devices can access specific storage resources. SAN switches also support various topologies, including point-to-point, arbitrated loop, and switched fabric, which enables administrators to design scalable and resilient storage networks.


What Are SAN Switches and How Do They Operate?

A SAN (Storage Area Network) switch is a specialized networking device that connects storage devices and servers to a storage network, enabling efficient data transfer and storage management. A SAN switch operates at the data link layer of the OSI (Open Systems Interconnection) model and provides advanced features like zoning, which enables administrators to partition the network to ensure that only authorized devices can access specific storage resources.


A SAN switch works by connecting multiple storage devices and servers to a common storage network. The switch uses a high-speed, low-latency protocol such as Fibre Channel or iSCSI to transport data between storage devices and servers. Fibre Channel is a dedicated protocol for high-performance storage networks that can transmit data at speeds of up to 128 Gbps, while iSCSI uses the existing Ethernet infrastructure to connect storage devices to the network.


When a server needs to access a storage device, it sends a request to the SAN switch. The switch then checks the zoning configuration to determine whether the server is authorized to access the storage device. If the server is authorized, the switch routes the data to the appropriate storage device, and the data is transmitted back to the server through the switch.


SAN switches also support various topologies, including point-to-point, arbitrated loop, and switched fabric. In a point-to-point topology, each storage device is connected directly to a server using a dedicated Fibre Channel link. In an arbitrated loop topology, storage devices are connected in a loop, and the switch arbitrates which device can transmit data at any given time. In a switched fabric topology, each storage device is connected to a switch, which forwards data between devices as needed.


How to Choose a LAN Switch

Choosing a LAN (Local Area Network) switch can be a daunting task, given the wide range of options available in the market. Here are some factors to consider when choosing a LAN switch:

Port Density: 

The number of ports on a switch determines how many devices can be connected to the network. Choose a switch with enough ports to accommodate your current and future needs.

Speed: 

The speed of a switch is determined by the maximum data transfer rate it supports. Choose a switch that supports speeds that match your network requirements. For example, if your network requires high-speed data transfer for streaming media, choose a switch that supports Gigabit Ethernet or higher.

VLAN Support: 

VLANs (Virtual LANs) allow you to partition your network into smaller segments for better security and performance. Choose a switch that supports VLANs if you need to segment your network.

PoE Support: 

Power over Ethernet (PoE) allows you to power network devices, such as IP phones and wireless access points, through the network cable. Choose a switch that supports PoE if you need to power these types of devices.

Management: 

Managed switches provide more advanced features, such as VLANs, QoS (Quality of Service), and port mirroring, while unmanaged switches are simpler and easier to set up. Choose a managed switch if you need advanced features, or an unmanaged switch if you need simplicity.

Brand Reputation: 

Choose a switch from a reputable brand that provides good support and warranty. This will ensure that you have access to technical assistance if needed.

Price: 

Finally, consider your budget when choosing a switch. Switches vary in price depending on their features, so choose one that meets your requirements and budget.


Overall, choosing a LAN switch requires careful consideration of your network requirements, budget, and other factors. By taking these factors into account, you can choose a switch that meets your needs and provides reliable performance for your network.



Item
S3910-24TS
S3910-24TF
S3910-48TS
1GbE Port
24
24
48
Switching Capacity
128 Gbps
56 Gbps
176 Gbps
Forwarding Rate
96 Mpps
42 Mpps
132 Mpps
Flash Memory
256MB
256MB
256MB
SDRAM
512MB
512MB
512MB
Switch Chip
BCM56150
BCM56152
BCM56150
MAC Address Table
16K
16K
16K
Jumbo Frames
9,216
9,216
9,216
Max System Power Consumption
27w
24w
48w


5 Tips for Purchasing a SAN Switch

When purchasing a SAN (Storage Area Network) switch, it is important to consider several factors to ensure that you select the best switch for your organization's storage needs. Here are five tips to help you make an informed decision:

Understand Your Requirements: 

Before you purchase a SAN switch, you need to understand your organization's storage requirements. Consider factors such as the size of your storage network, the number of devices that will be connected, the data transfer rates required, and the level of redundancy needed. This will help you select a switch that meets your organization's needs.

Choose the Right Protocol: 

SAN switches use different protocols to transport data between storage devices and servers. Fibre Channel is a dedicated protocol for high-performance storage networks that can transmit data at speeds of up to 128 Gbps, while iSCSI uses the existing Ethernet infrastructure to connect storage devices to the network. Consider your organization's performance requirements and choose the appropriate protocol.

Consider Switch Features: 

SAN switches offer various features, such as zoning, which enables administrators to partition the network to ensure that only authorized devices can access specific storage resources. Other features may include virtualization support, port mirroring, and redundancy options. Consider your organization's needs and select a switch that offers the appropriate features.

Evaluate Vendor Support: 

Ensure that the vendor offers good support and warranty for the SAN switch. This will ensure that you have access to technical assistance if needed and that you can receive prompt replacement or repair if the switch fails.

Compare Pricing: 

SAN switches vary in price depending on their features and performance. Compare pricing from different vendors to ensure that you get the best value for your money. However, do not sacrifice quality for cost; choose a switch that meets your organization's needs and provides reliable performance.


Overall, purchasing a SAN switch requires careful consideration of your organization's storage needs, budget, and other factors. By following these tips, you can select a switch that meets your requirements and provides reliable performance for your storage network.


In a Storage Area Network (SAN), a switch is a networking device that connects servers and storage devices, allowing them to communicate and share data. The switch provides a high-speed dedicated network for storage traffic, enabling multiple devices to access the same storage resources simultaneously. SAN switches typically use Fibre Channel or iSCSI protocols to transport data between servers and storage devices.

A Storage Area Network (SAN) is a specialized high-speed network that connects servers and storage devices, enabling them to share data and access shared storage resources. The SAN uses switches and specialized storage devices, such as disk arrays, tape libraries, and solid-state drives, to provide high-performance, reliable access to data. SANs typically use block-level storage protocols, such as Fibre Channel or iSCSI, to transfer data between servers and storage devices. By separating storage from servers and managing it centrally, SANs can improve storage utilization, simplify storage management, and enhance data protection and disaster recovery capabilities.

SANs are used to provide high-performance, scalable, and reliable access to storage resources, enabling organizations to meet their growing data storage needs and support critical business applications. SANs improve storage utilization, simplify storage management, and enhance data protection and disaster recovery capabilities.

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