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IBM 31503-01 Raid Controller Battery Mr10M Sas SATA (Nimh)
- RAID Controller Battery Backup Unit (BBU)
- Compatible with IBM MegaRAID MR10M SAS/SATA controllers
- Provides cache protection during power outages
- Utilizes NiMH (Nickel-Metal Hydride) technology
- Ensures data integrity by allowing safe write cache flushing
- Designed for specific IBM server models
- Helps prevent data loss during unexpected shutdowns
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Product Overview
The IBM 31503-01 is a replacement battery module specifically designed for certain IBM RAID controllers, such as the MegaRAID MR10M. It provides backup power to the controller's cache in case of a power failure, protecting data integrity.
Technical Information
| Product Type | Battery Backup Unit (BBU) |
| Compatibility | IBM MegaRAID MR10M SAS/SATA |
| Technology | NiMH (Nickel-Metal Hydride) |
Additional Specifications
| Function | Cache protection |
| Purpose | Data integrity during power loss |
| Part Number | 31503-01 |
Product Description
The IBM 31503-01 is a critical component for maintaining data integrity within IBM server environments that utilize compatible MegaRAID controllers. This specific part number refers to a Battery Backup Unit (BBU) designed to provide auxiliary power to the RAID controller's onboard cache memory. In the event of an unexpected power interruption or server shutdown, the BBU ensures that any data currently held in the controller's volatile cache is safely written to the drives before the system loses power completely. This battery module employs Nickel-Metal Hydride (NiMH) technology, which offers a reliable and relatively long lifespan for backup power applications. Its primary function is to safeguard against data corruption or loss that could occur if write operations are interrupted mid-process. By supplying power to the cache, the BBU allows the controller to complete these pending writes, thereby preserving the integrity of the stored data. The 31503-01 is specifically engineered for compatibility with certain IBM RAID controllers, most notably the MegaRAID MR10M series, which supports both SAS and SATA drives. Proper installation and maintenance of this battery are essential for environments where data availability and protection are paramount, such as in database servers, virtualization hosts, and critical application servers.
