Product Overview of the DELL L3-25034-19B
The Dell L3-25034-19B PERC (PowerEdge RAID Controller) RAID Li-ion (Lithium-ion) Battery is a crucial component for servers, especially those utilizing a MegaRAID SAS controller. This battery plays a significant role in ensuring data integrity and the smooth operation of RAID systems. Understanding its importance, functionality, and benefits is essential for IT professionals and businesses relying on server technology. This guide aims to provide a comprehensive overview of the Dell L3-25034-19B PERC RAID Li-ion Battery in simple English, covering its purpose, how it works, and why it's a valuable addition to server setups.
TechnologyBefore diving into the specifics of the Dell L3-25034-19B battery, it's important to have a basic understanding of RAID technology. RAID stands for Redundant Array of Independent Disks. It's a method of storing the same data in different places on multiple hard disks or solid-state drives (SSDs) to improve performance and increase data reliability. This technology is vital in enterprise environments where data loss can result in significant downtime and financial losses.
What is a PERC RAID ControllerA PERC RAID Controller is a hardware device installed in a server. Its job is to manage the RAID array, a group of hard drives or SSDs working together to improve performance and/or data reliability. The controller allows various RAID levels, each offering a balance between performance, data protection, and storage capacity.
The Role of the Dell L3-25034-19B PERC RAID Li-ion BatteryThe Dell L3-25034-19B battery is specifically designed for servers equipped with a MegaRAID SAS controller. This lithium-ion battery serves a critical function by providing backup power to the controller. Here's a detailed look at its roles:
Data Protection During Power FailuresIn the event of a power outage or system failure, the Dell L3-25034-19B battery ensures that any data in the controller's cache memory is not lost. Cache memory is a small-sized type of volatile computer memory that provides high-speed data access to the processor and increases the speed of the system.
Improved System PerformanceBy allowing the RAID controller to write data to the cache memory without immediately writing it to the hard drives, the battery-backed cache can significantly enhance system performance. This process reduces write latency, thereby speeding up write operations on the server.
Maintaining Write Cache FunctionalityThe battery ensures that the write cache functionality remains operational even during short-term power disruptions. This capability is crucial for maintaining high performance and ensuring data integrity.
Incorporating the Dell L3-25034-19B battery into your server setup offers several benefits, including:
- Enhanced Data Integrity: By providing emergency power to the RAID controller, this battery helps prevent data loss during unexpected power failures.
- Improved Server Performance: Supports high-speed write operations, thereby enhancing the overall performance of the server.
- Increased Reliability: Ensures that the RAID array continues to operate smoothly, even in the face of power issues, which is critical for mission-critical systems.
- Cost-Effectiveness: Protects against data loss and system downtime, which can be far more costly than the investment in a battery backup.
How Does the Dell L3-25034-19B Battery Work
The battery connects to the RAID controller inside the server. In normal operations, it's continually charged by the server's power supply. When the server experiences a power failure, the battery instantly provides power to the RAID controller. This temporary power allows the controller to write any data stored in its cache to the drives, ensuring no in-progress work is lost.
General Information about the Dell KR174- Manufacturer: Dell
- Model Number or SKU# KR174
- Product Type: battery controller
- Battery Type: Lithium-ion (Li-ion)
- Cache Protection: RAID
- Voltage and Capacity: 3.7 volts
- Charge Time: The time it takes for the battery to charge from a depleted state to full capacity.
- Compatibility: The battery is usually designed for specific models of RAID controllers. For instance, it could be compatible with the Dell PERC (PowerEdge RAID Controller) H700, H710,
Finally, the Dell L3-25034-19B PERC RAID Li-ion Battery is an essential component for servers using a MegaRAID SAS controller, safeguarding data integrity and enhancing performance. Its role in maintaining data consistency and system reliability cannot be overstated, especially in enterprise environments where data is crucial. Investing in such a battery backup system not only protects against data loss but also improves the operational efficiency of servers. Whether you're an IT professional or a business owner, understanding the value and functionality of the Dell L3-25034-19B battery is crucial for ensuring the longevity and reliability of your server systems.
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