The Fat Bloke sings, this week about "Running Storage Simulators in VirtualBox," providing readers with links to two reports:
NetApp 7.3.3 Simulator on Oracle VirtualBox.doc, described as a document that outlines the process for installing Oracle VirtualBox 3.1.10, creating an Oracle Enterprise Linux 5.5 VM and installing the 7.3.3 OnTap Simulator in the VM
Oracle's Sun Unified Storage Simulator which the Fat Bloke says deals with how to use the Sun Storage 7000 Simulator, now available as an ovf appliance that simply imports and runs.
Use the simulators to get a feel for the storage features of these platforms.
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Newly released by Oracle, the ZFS Storage Appliance product line features best-in-class management software and an innovative hybrid storage pool architecture that has been integrated with Oracle Applications, Oracle Fusion Middleware, Oracle Database, Oracle Solaris, Oracle Linux and Oracle VM, to provide optimal business system performance. Oracle's product announcement claims that the products deliver the leading throughput, flexibility and ease of use demanded by organizations using storage for cloud computing, virtualization, storage consolidation and data protection.
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An entry from The Grey Blog highlights how to use Microsoft's Previous Versions shell extension to browse through ZFS snapshots. Previous Versions was developed to allow users to browse through the previous versions of a file that have been shadow copied. With this extension - a new tab in a Windows Explorer's File Properties window - users can browse and restore a previous version of a modified or deleted file, including ZFS snapshots.
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"Because of disk partitioning software on your storage clients or a mismatch between storage configuration and application request pattern, you could be suffering a 2-4X performance degradation," writes Roch Bourbonnais in his blog "Proper Alignment for extra Performance." While he credits the Sun Storage 7000 server line with great flexibility in selecting different blocksizes for different use within a single pool of storage, he notes that the line has no control on the offset that could be selected during disk partitioning of block devices on client systems. Care must be taken, he urges, when partitioning disks to avoid misalignment and degraded performance. Using full LUNs is preferred.
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A new version of the Sun Storage 7000 simulator, now known as Oracle's Sun Unified Storage Simulator, is available with support changes. This release of the simulator provides support for VirtualBox and drops its support for VMware, reports Fishworks Engineer Adam Leventhal. This freely downloadable simulator is a way for users to install and manage a virtual storage system on any laptop or desktop and experience the Oracle-Sun Open Storage.
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