ZZFS:A Hybrid Device and Cloud File System for Spontaneous Users

Mazurek, Michelle L. and Thereska, Eno and Gunawardena, Dinan and Harper, Richard and Scott, James (2012) ZZFS:A Hybrid Device and Cloud File System for Spontaneous Users. In: FAST '12 Proceedings of the 10th USENIX Conference on File and Storage Technologies. FAST'12 . USENIX Association, Berkeley, CA, USA, p. 16.

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Abstract

Good execution of data placement, caching and consistency policies across a user's personal devices has always been hard. Unpredictable networks, capricious user behavior with leaving devices on or off and non-uniform energy-saving policies constantly interfere with the good intentions of a storage system's policies. This paper's contribution is to better manage these inherent uncertainties. We do so primarily by building a low-power communication channel that is available even when a device is off. This channel is mainly made possible by a novel network interface card that is carefully placed under the control of storage system protocols. The design space can benefit existing placement policies (e.g., Cimbiosys [21], Perspective [23], Anzere [22]). It also allows for interesting new ones. We build a file system called ZZFS around a particular set of policies motivated by user studies. Its policies cater to users who interact with the file system in an ad hoc way -- spontaneously and without pre-planning.

Item Type:
Contribution in Book/Report/Proceedings
ID Code:
126191
Deposited By:
Deposited On:
28 Jun 2018 12:22
Refereed?:
Yes
Published?:
Published
Last Modified:
13 Aug 2020 09:16