https://homeostasis.scs.carleton.ca/wiki/api.php?action=feedcontributions&feedformat=atom&user=SimcoeSoma-notes - User contributions [en]2026-05-12T20:51:45ZUser contributionsMediaWiki 1.42.1https://homeostasis.scs.carleton.ca/wiki/index.php?title=NASD,_GoogleFS,_Farsite&diff=1789NASD, GoogleFS, Farsite2008-03-10T20:11:42Z<p>Simcoe: </p>
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<div>==Readings==<br />
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[http://homeostasis.scs.carleton.ca/~soma/distos/2008-03-10/gibson-nasd.pdf Garth A. Gibson et al., "A Cost-Effective, High-Bandwidth Storage Architecture" (1998)]<br />
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[http://homeostasis.scs.carleton.ca/~soma/distos/2008-03-10/gfs-sosp2003.pdf Sanjay Ghemawat et al., "The Google File System" (2003)]<br />
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[http://homeostasis.scs.carleton.ca/~soma/distos/2008-03-10/adya-farsite-intro.pdf Atul Adya et al.,"FARSITE: Federated, Available, and Reliable Storage for an Incompletely Trusted Environment" (2002)]<br />
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[http://homeostasis.scs.carleton.ca/~soma/distos/2008-03-10/bolosky-farsite-retro.pdf William J. Bolosky et al., "The Farsite Project: A Retrospective" (2007)]<br />
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==Questions==<br />
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# What were the target environments for these filesystems? How did these environments shape their assumptions?<br />
# What are the key ideas behind each filesystem?<br />
# What are the strengths and weaknesses of each design?<br />
# What are the strengths and weaknesses of each implementation?<br />
# Which system is best suited for today's Internet? How about tomorrow's?<br />
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==Questions for NASD==<br />
# Is giving direct access between client and drive a good idea? <br />
# Are there substantial advantages in storing variable-length objects over fixed-sized blocks?<br />
# Is putting the filesystem on the drive a good idea? Should more control and awareness be given to hardware devices?<br />
# What are the strengths and weaknesses of the capability-based cryptography which NASD makes use of?<br />
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==Questions for GoogleFS==<br />
# How does the Google file system implement security?<br />
# Is using a central server (point of access) a good design decision?<br />
# Is removing random writes a good idea?<br />
# Is the speedup attained by GFS's record-append method worth the sacrifice of Application overhead?<br />
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==Questions for Farsite==<br />
# Byzantine fault tolerance?<br />
# How similar and different compared to OceanStore?<br />
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==Questions for Farsite retrospective==<br />
# If using different programming methods... how does this file-system work given different programming models<br />
# Details of buyzantine fault tolerance</div>Simcoe