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Lenovo 81Y4542 ServeRAID M1100 Series Zero Cache/RAID 5 Upgrade
- Enables RAID 5 functionality for compatible ServeRAID M1100 controllers.
- Designed as a zero cache upgrade, focusing on RAID 5 capabilities.
- Provides data redundancy through striping with parity.
- Enhances data protection for critical applications.
- Specifically designed for Lenovo ServeRAID M1100 Series.
- Offers a cost-effective way to add RAID 5 support.
- Requires a compatible ServeRAID M1100 controller to function.
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Product Overview
The Lenovo 81Y4542 ServeRAID M1100 Series Zero Cache/RAID 5 Upgrade is a component designed to enhance the capabilities of compatible ServeRAID M1100 controllers. It provides RAID 5 functionality without onboard cache.
Technical Information
| Product Type | RAID Upgrade |
| Brand | Lenovo |
| Series | ServeRAID M1100 |
Additional Specifications
| Functionality | RAID 5 Upgrade (Zero Cache) |
| Part Number | 81Y4542 |
Product Description
The Lenovo 81Y4542 is an upgrade component for the ServeRAID M1100 Series controllers, specifically enabling RAID 5 functionality. RAID 5 is a popular configuration that offers a good balance between performance and data redundancy by striping data across multiple drives and using distributed parity. This means that if one drive fails, the data can be reconstructed from the remaining drives, minimizing downtime and data loss. This upgrade is characterized as 'Zero Cache,' indicating that it does not add onboard cache memory to the controller. Instead, it leverages the controller's existing capabilities to implement RAID 5. This approach can be a more economical way to achieve RAID 5 protection for environments that do not require the highest levels of performance enhancement that cache memory provides. It is crucial to note that the 81Y4542 is an upgrade part and requires a compatible Lenovo ServeRAID M1100 Series controller to operate. It is designed to integrate seamlessly with these controllers, providing a straightforward method for enhancing data protection and reliability for Lenovo server systems.
