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Storage Class Memories

Description

Magnetic RAM (MRAM) is one of several memory technologies that promises speeds and densities comparable to DRAM with the non-volatility of other magnetic media. Our research investigates the use of such technology to build faster, more reliable file systems. We are also exploring new file system access paradigms, such as the integration of file systems with databases, that can be implemented efficiently using the non-volatile byte-addressable storage provided by MRAM.

Status

After a developing a prototype for the linking file system, using a database to simulate the required data structures, we are now trying to write a version of LiFS that may reside in MRAM. This version will use a large amount of DRAM to simulate MRAM. We are developing the file system implementation in user space using FUSE to make it available through the VFS. We are also modifying a linux kernel to provide new system calls for the advanced features of our file system using links and attributes.

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Last modified 27 May 2008
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