Cisco Flash Backed Write Cache

CiscoSKU: 7433654

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Description

Cisco Flash Backed Write Cache - 2 GB for RAID Controller

The Cisco Flash Backed Write Cache (FBWC) 2 GB module is a critical upgrade for enterprise storage environments. Engineered to work with Cisco RAID Controllers, this write cache accelerator delivers dramatic performance gains while hardening data integrity through power-loss protection. By buffering critical writes in fast flash-backed memory and securely flushing them to disk, FBWC minimizes latency, speeds up applications, and reduces downtime in databases, virtualization, and transactional workloads. This small but mighty module is designed to optimize I/O-heavy operations, improving overall storage efficiency without sacrificing reliability.

  • High-speed 2 GB flash-backed write cache boosts write throughput and reduces latency for RAID arrays, delivering faster application response times and smoother performance during peak workloads.
  • Power-loss protection ensures that cached data is safely flushed to the disks even during unexpected outages, guarding against data loss and enhancing data integrity in mission-critical environments.
  • Seamless Cisco integration is designed to plug into compatible Cisco RAID Controllers, enabling quick deployment and immediate performance benefits without complex reconfiguration.
  • Enterprise-grade reliability with durable flash-backed memory reduces write bottlenecks, shortens rebuild times after failures, and supports long-term storage health in data centers and remote offices.
  • Easy management and maintenance with standard Cisco management tools, enabling proactive monitoring of cache status, health, and firmware compatibility for consistent performance over time.

Technical Details of Cisco Flash Backed Write Cache

  • Capacity: 2 GB flash-backed write cache
  • Cache type: Flash-backed write cache designed to accelerate write operations
  • Power-loss protection: Built-in protection to safeguard cached data during power interruptions
  • Compatibility: Designed for Cisco RAID Controllers that support FBWC modules
  • Form factor: Plug-in module compatible with supported Cisco storage controllers
  • Installation: Hot-plug capable in supported configurations (where applicable)

how to install Cisco Flash Backed Write Cache

To install the Cisco Flash Backed Write Cache safely, follow these general steps aligned with standard Cisco storage practices. Ensure you have proper chassis access and follow your data center’s maintenance procedures.

1) Power down the server or storage enclosure if required by your controller’s guidelines. Disconnect any peripheral power sources and discharge static electricity using a grounded wrist strap.

2) Locate an available FBWC slot on the supported Cisco RAID Controller. Refer to your controller’s hardware installation guide for slot eligibility and compatibility.

3) Align the FBWC module with the connector and firmly insert it into the slot until it seats securely. Do not force the module; ensure it engages with the connector evenly.

4) Secure the module with any required retaining screws or latches as specified by the controller’s installation guide. Reattach any removed components and reconnect power.

5) Power on the system and access the RAID controller management interface. Verify that the FBWC is detected, review its health status, and confirm cache enablement in the controller’s cache configuration settings.

6) If prompted, apply or verify the correct firmware version for FBWC compatibility. Perform a quick controller health check and monitor for any alerts after initial boot.

7) Schedule a brief verification test or a write-intensive workload to confirm stable operation and the expected performance improvements. Maintain regular firmware updates to sustain optimal compatibility and reliability.

Frequently asked questions

  • Q: What is the Cisco FBWC 2 GB module used for? A: It provides a flash-backed write cache that accelerates write operations on Cisco RAID Controllers while protecting data on power loss, delivering improved performance and data integrity for enterprise workloads.
  • Q: How does power-loss protection work with FBWC? A: The FBWC module buffers writes in flash memory and, in the event of a power outage, uses protected cache to flush data to disk once power is restored, reducing the risk of data loss.
  • Q: Is 2 GB enough for my RAID environment? A: 2 GB of FBWC is designed to offer a solid boost for many common enterprise workloads. The optimal capacity depends on your I/O profile, cache hit rate, and controller model. Consult Cisco documentation for your specific controller model and workload.
  • Q: Is FBWC compatible with all Cisco RAID Controllers? A: FBWC modules are designed for Cisco RAID Controllers that support FBWC slots. Check your controller model and the vendor compatibility list to confirm support before purchasing.
  • Q: Can FBWC be hot-swapped? A: Support for hot-swapping depends on the controller and chassis capabilities. Always follow your controller’s maintenance guide to determine whether hot-swapping is permitted and how to perform it without data risk.
  • Q: How do I monitor FBWC health? A: Use the Cisco RAID controller management software to monitor cache status, health indicators, and firmware compatibility. Set up alerts for cache temperature, errors, or failures to maintain proactive storage health.

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