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| 2009
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1
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DHIS: discriminating hierarchical storage
Chaitanya Yalamanchili, Kiron Vijayasankar, Erez Zadok, Gopalan Sivathanu
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May 2009
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SYSTOR '09: Proceedings of SYSTOR 2009: The Israeli Experimental Systems Conference
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Publisher: ACM
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Full text available: |
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(208.96 KB)
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| Bibliometrics: Downloads (6 Weeks): 3, Downloads (12 Months): 40, Citation Count: 0 |
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A typical storage hierarchy comprises of components with varying performance and cost characteristics, providing multiple options for data placement. We propose and evaluate a hierarchical storage system, DHIS, that uses application-level hints to discriminate ...
Keywords: file systems, intelligent disks, storage stack, storage systems
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| 2008
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Selective versioning in a secure disk system
Swaminathan Sundararaman, Gopalan Sivathanu, Erez Zadok
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July 2008
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SS'08: Proceedings of the 17th conference on Security symposium
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Publisher: USENIX Association
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 2 |
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Making vital disk data recoverable even in the event of OS compromises has become a necessity, in view of the increased prevalence of OS vulnerability exploits over the recent years. We present the design and implementation of a secure disk system, SVSDS, ...
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| 2007
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3
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Exploiting type-awareness in a self-recovering disk
Kiron Vijayasankar, Gopalan Sivathanu, Swaminathan Sundararaman, Erez Zadok
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October 2007
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StorageSS '07: Proceedings of the 2007 ACM workshop on Storage security and survivability
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Publisher: ACM
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Full text available: |
Pdf
(301.98 KB)
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| Bibliometrics: Downloads (6 Weeks): 2, Downloads (12 Months): 42, Citation Count: 0 |
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Data recoverability in the face of partial disk errors is an important prerequisite in modern storage. We have designed and implemented a prototype disk system that automatically ensures the integrity of stored data, and transparently recovers vital ...
Keywords: type-awareness
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Rapid file system development using ptrace
Richard P. Spillane, Charles P. Wright, Gopalan Sivathanu, Erez Zadok
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June 2007
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ecs'07: Experimental computer science on Experimental computer science
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Publisher: USENIX Association
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 0 |
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Developing kernel-level file systems is a difficult task that requires a significant time investment. For experimental file systems, it is desirable to develop a prototype before investing the time required to develop a kernel-level file system. We have ...
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Rapid file system development using ptrace
Richard P. Spillane, Charles P. Wright, Gopalan Sivathanu, Erez Zadok
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June 2007
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ExpCS '07: Proceedings of the 2007 workshop on Experimental computer science
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Publisher: ACM
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Full text available: |
Pdf
(192.70 KB)
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| Bibliometrics: Downloads (6 Weeks): 2, Downloads (12 Months): 86, Citation Count: 4 |
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Developing kernel-level file systems is a difficult task that requires a significant time investment. For experimental file systems, it is desirable to develop a prototype before investing the time required to develop a kernel-level file system. We have ...
Keywords: monitors, rapid prototyping
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Extending ACID semantics to the file system
Charles P. Wright, Richard Spillane, Gopalan Sivathanu, Erez Zadok
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June 2007
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Transactions on Storage (TOS)
, Volume 3 Issue 2
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Publisher: ACM
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Full text available: |
Pdf
(783.03 KB)
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| Bibliometrics: Downloads (6 Weeks): 15, Downloads (12 Months): 282, Citation Count: 5 |
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An organization's data is often its most valuable asset, but today's file systems provide few facilities to ensure its safety. Databases, on the other hand, have long provided transactions. Transactions are useful because they provide atomicity, consistency, ...
Keywords: File system transactions, databases, file systems, ptrace monitors, recoverable memory
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| 2006
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7
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Type-safe disks
Gopalan Sivathanu, Swaminathan Sundararaman, Erez Zadok
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November 2006
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OSDI '06: Proceedings of the 7th symposium on Operating systems design and implementation
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Publisher: USENIX Association
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Full text available: |
Pdf
(258.93 KB)
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| Bibliometrics: Downloads (6 Weeks): 1, Downloads (12 Months): 22, Citation Count: 5 |
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We present the notion of a type-safe disk (TSD). Unlike a traditional disk system, a TSD is aware of the pointer relationships between disk blocks that are imposed by higher layers such as the file system. A TSD utilizes this knowledge in two ...
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Type-safe disks
Gopalan Sivathanu, Swaminathan Sundararaman, Erez Zadok
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November 2006
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OSDI '06: Proceedings of the 7th USENIX Symposium on Operating Systems Design and Implementation - Volume 7
, Volume 7
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Publisher: USENIX Association
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 3 |
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We present the notion of a type-safe disk (TSD). Unlike a traditional disk system, a TSD is aware of the pointer relationships between disk blocks that are imposed by higher layers such as the file system. A TSD utilizes this knowledge in two key ways. ...
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On incremental file system development
Erez Zadok, Rakesh Iyer, Nikolai Joukov, Gopalan Sivathanu, Charles P. Wright
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May 2006
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Transactions on Storage (TOS)
, Volume 2 Issue 2
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Publisher: ACM
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Full text available: |
Pdf
(260.40 KB)
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| Bibliometrics: Downloads (6 Weeks): 16, Downloads (12 Months): 194, Citation Count: 10 |
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Developing file systems from scratch is difficult and error prone. Using layered, or stackable, file systems is a powerful technique to incrementally extend the functionality of existing file systems on commodity OSes at runtime. In this article, we ...
Keywords: I/O manager, IRP, Layered file systems, VFS, extensibility, stackable file systems, vnode
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| 2005
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10
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An electric fence for kernel buffers
Nikolai Joukov, Aditya Kashyap, Gopalan Sivathanu, Erez Zadok
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November 2005
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StorageSS '05: Proceedings of the 2005 ACM workshop on Storage security and survivability
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Publisher: ACM
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Full text available: |
Pdf
(184.35 KB)
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| Bibliometrics: Downloads (6 Weeks): 3, Downloads (12 Months): 28, Citation Count: 0 |
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Improper access of data buffers is one of the most common errors in programs written in assembler, C, C++, and several other languages. Existing programs and OSs frequently access the data beyond the allocated buffers or access buffers that were already ...
Keywords: buffer overflow, file systems, security
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