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IBM 22R6649 SAS RAID Battery Backup Module for BladeCenter
- SAS RAID Battery Backup Module
- For IBM BladeCenter systems
- Protects RAID controller cache
- Ensures data integrity during power loss
- Hot-swappable design
- Extends cache write protection
- Essential for RAID configurations
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Product Overview
The IBM 22R6649 is a SAS RAID Battery Backup Module designed for IBM BladeCenter systems. It provides power to the RAID controller's cache during power outages, protecting data integrity.
Technical Information
| Product Type | RAID Battery Backup Module |
| Compatibility | IBM BladeCenter |
Additional Specifications
| Interface | SAS |
| Function | Cache protection during power loss |
Product Description
The IBM 22R6649 is a critical component for maintaining data integrity in IBM BladeCenter environments that utilize SAS RAID controllers. This battery backup module is specifically designed to provide a temporary power source to the RAID controller's cache memory in the event of an unexpected power failure or interruption. By supplying power to the cache, it allows any data that is currently being written to or held in the cache to be safely flushed to the storage drives before the system completely shuts down. This protection mechanism is essential for preventing data corruption and loss, which can occur if data in the volatile cache is lost during a power outage. The module works in conjunction with the RAID controller to detect power loss and immediately activate its battery power. This ensures that write operations are completed, safeguarding the integrity of the data being processed by the RAID array. The IBM 22R6649 is typically designed for hot-swappable installation, meaning it can be replaced or serviced without requiring the BladeCenter system to be powered off. This feature is crucial for maintaining high availability and minimizing downtime in enterprise data centers. Its integration ensures that RAID configurations remain protected and operational, even under adverse power conditions.
