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IBM 57B7 SAS RAID ENABLEMENT CACHE Card 57B7
- SAS RAID Enablement Cache Card
- Provides battery-backed write cache (BBWC)
- Enhances write performance
- Ensures data integrity during power failures
- Compatible with specific IBM RAID controllers
- Supports RAID levels implemented by the host controller
- Reduces risk of data loss
- Improves overall storage subsystem responsiveness
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Product Overview
The IBM 57B7 is a SAS RAID Enablement Cache Card designed to enhance the performance and data protection capabilities of compatible IBM RAID controllers. It provides battery-backed write cache, ensuring data integrity during power outages and improving write performance.
Technical Information
| Product Type | Cache Card |
| Interface | SAS |
Additional Specifications
| Feature | Battery-Backed Write Cache (BBWC) |
| Compatibility | IBM RAID Controllers |
Product Description
The IBM 57B7 (SKU: 57B7) is a specialized cache card designed to augment the functionality of compatible IBM SAS RAID controllers. Its primary purpose is to provide a battery-backed write cache (BBWC) mechanism. This feature significantly accelerates write operations by temporarily storing data in fast cache memory before it is committed to the slower physical drives. The battery backup ensures that any data residing in the cache is preserved in the event of a sudden power loss or system interruption. By implementing a battery-backed write cache, the 57B7 card dramatically improves the write performance of the storage subsystem. This is particularly beneficial for write-intensive applications such as databases, transaction processing systems, and virtualized environments where rapid data writes are critical. Furthermore, the battery backup provides a crucial layer of data protection, preventing data corruption or loss that could occur if cached data were lost due to unexpected power failures. This cache enablement card is designed to work in conjunction with specific IBM RAID controllers, acting as an essential component for optimizing storage performance and ensuring data integrity. It represents a cost-effective way to enhance the capabilities of existing RAID solutions, offering enterprise-level data protection and improved application responsiveness without requiring a complete hardware upgrade.
