PCM-Based Durable Write Cache for Fast Disk I/O

Provided by: Institute of Electrical & Electronic Engineers
Topic: Storage
Format: PDF
Flash-based Solid-State Drives (FSSDs) have been adopted within the memory hierarchy to improve the performance of Hard Disk Drive (HDD) based storage system. However, with the fast development of storage-class memories, new storage technologies with better performance and higher write endurance than FSSDs are emerging, e.g., Phase-Change Memory (PCM). Understanding how to leverage these state-of-the-art storage technologies for modern computing systems is important to solve challenging data intensive computing problems. In this paper, the authors propose to leverage PCM for hybrid PCM-HDD storage architecture.

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