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Storage virtualization using a block-device file system
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ACM SIGOPS Operating Systems Review archive
Volume 42 ,  Issue 1  (January 2008) table of contents
SESSION: SYSTOR 2007 table of contents
Pages 119-126  
Year of Publication: 2008
ISSN:0163-5980
Authors
Sorin Faibish  EMC Corporation
Stephen Fridella  EMC Corporation
Peter Bixby  EMC Corporation
Uday Gupta  EMC Corporation
Publisher
ACM  New York, NY, USA
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ABSTRACT

The design and organization of modern file systems has been traditionally driven by practical considerations related to the physical properties of computer disks Storage virtualization makes such considerations largely irrelevant, and file-system designs based on them perform sub-optimally in a virtual storage environment. One important example of this phenomenon is the relationship between disk seek times and the placement and organization of file system meta-data. In this paper we show that traditional approaches to organizing meta-data in file systems are closely related to assumptions about the physical properties of disks and that for this reason traditional file systems fail to materialize the full benefits of storage virtualization. We go on to propose a different file system organization of data and meta-data designed to exploit the power of virtualized storage.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
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Collaborative Colleagues:
Sorin Faibish: colleagues
Stephen Fridella: colleagues
Peter Bixby: colleagues
Uday Gupta: colleagues