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Oracle Cloud File System
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<h2 id="features">Features</h2> <p>ACFS<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a> is a standard-based <a href="/facts/POSIX/mQkSt234">POSIX</a> (Linux, UNIX) and Windows <a href="/facts/Cluster_file_system/Bz61f7Ce">cluster file system</a> with full cluster-wide file and memory mapped I/O cache coherency and file locking. ACFS provides direct I/O for Oracle database I/O workloads. ACFS implements indirect I/O however for general purpose files that typically perform small I/O for better response time. CloudFS<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a> is designed to scale to billions of files and supports very large file and file systems sizes (up to exabytes of storage). </p><p>CloudFS<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a> is built on top of Oracle <a href="/facts/Automatic_Storage_Management/cJUEFBwS">Automatic Storage Management</a> (ASM) and Oracle clustering technologies to provide cluster volume and file services to clients. ADVM and ACFS leverage ASM striping, mirroring and automatic I/O rebalancing features to manage volumes that are dynamically resizable. </p><p>Starting with the latest release in Oracle Database 12c, ACFS supports Oracle database files as well as general purpose files. </p><p>ACFS supports space efficient read-write snapshots, asynchronous file system replication, tagging for aggregate operations, fine grain security and encryption for higher security. </p> <h2 id="external-links">External links</h2> <ul><li><a href="http://www.oracle.com/technetwork/products/cloud-storage/index.html">Oracle Web Site - CloudFS (ACFS/ADVM)</a></li> <li><a href="http://www.oracle.com/technetwork/products/cloud-storage/cloudfs-overview-wp-279856.pdf">Oracle Cloud File System Overview White Paper</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Oracle Introduces Oracle® Cloud File System to Enable Private Clouds". Oracle Press. <a href="http://www.oracle.com/us/corporate/press/305864" target="_blank">http://www.oracle.com/us/corporate/press/305864</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>L. Canali, D. Wojcik. "ACFS under scrutiny". UK Oracle User Group (UKOUG) Conference 2010. Retrieved 2017-11-29. <a href="http://openlab.web.cern.ch/publications/presentations/acfs-under-scrutiny" target="_blank">http://openlab.web.cern.ch/publications/presentations/acfs-under-scrutiny</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Oracle Cloud File System Delivers Infrastructure for Private Clouds". Campus Technology. Retrieved 2017-11-29. <a href="http://campustechnology.com/articles/2011/02/10/oracle-cloud-file-system-delivers-infrastructure-for-private-clouds.aspx" target="_blank">http://campustechnology.com/articles/2011/02/10/oracle-cloud-file-system-delivers-infrastructure-for-private-clouds.aspx</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Weinberger, Matthew. "Oracle Cloud File System Enables Private Clouds". Talkin' Cloud. <a href="http://talkincloud.com/oracle-cloud-file-system-enables-private-clouds" target="_blank">http://talkincloud.com/oracle-cloud-file-system-enables-private-clouds</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> </ol>