HP File System Extender (FSE) manual Known issues and workarounds

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Limited symbolic link support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 File size limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Append-only and immutable files cannot be released . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Pathname length limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Limitations of CIFS protocol (Samba) usage with FSE implementation . . . . . . . . . . . . . . . . . . . . . . . . . 22

File transfer blockage between Samba client and server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Kernel oplocks may interfere with FSE software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Unwanted recalls from FSE media in Windows Explorer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Windows NTFS ACLs are not supported through Samba . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Windows NTFS Alternate Data Streams are not supported through Samba . . . . . . . . . . . . . . . . . . 23

Windows-specific limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Unsupported Windows services and file system features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Unsupported third-party software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Move operations to overwrite existing files on HSM file system are denied . . . . . . . . . . . . . . . . . . . . . 23 Recycle Bin must be disabled on FSE implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Pointing to files in WinZip and Total Commander triggers recalls . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Defragmentation of HSM file systems not supported on Windows 2000 Server . . . . . . . . . . . . . . . . . . 24 Limited support for Windows disk checker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Limitations on the Traditional Chinese Windows systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5 Known issues and workarounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

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Contents HP StorageWorks File System Extender File System Extender 3.2 Release Notes Contents Known issues and workarounds Intended audience About this guideRelated documentation Document conventions and symbols PrerequisitesSoftware requirements Hardware requirementsHP-authorized reseller HP technical supportHelpful web sites Page Hardware requirements Supported hardware and softwareSupported storage arrays, tape drives, and libraries Supported operating systems and platforms Linux platformSoftware requirements Windows platformSupported third-party software New features Enhanced robustnessSupport for LTO Ultrium 3 media Miscellaneous enhancementsNew features Shortening the termination delay for FSE commands RecommendationsGeneral recommendations Keeping the FSC and Hsmdb journals smallPreventing exhaustion of Corba sockets ScanGranularity =Linux-specific recommendations Migrating to a newer tape drive technologyWindows-specific recommendations Improving performance of the FSE-Samba integrationLimitations Common limitationsLinux-specific limitations Reusing file systems for newly configured FSE partitionsSpecial file types are not supported Limited symbolic link support Directories with sticky bit not supportedFile size limitation Append-only and immutable files cannot be releasedFile transfer blockage between Samba client and server Unsupported Windows services and file system features Recycle Bin must be disabled on FSE implementationWindows-specific limitations Unsupported third-party softwareLimited support for Windows disk checker Limitations on the Traditional Chinese Windows systemsKnown issues and workarounds Using the command fsefile --migrateDirectoryPath FilenameKnown issues and workarounds
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File System Extender (FSE) specifications

HP File System Extender (FSE) is a sophisticated solution designed to optimize data storage management for enterprises that deal with large volumes of unstructured data. This technology addresses the challenges of data growth and the need for effective data retention strategies, enabling organizations to store and manage their information more efficiently.

One of the main features of HP FSE is its ability to intelligently migrate data between primary and secondary storage. By utilizing policies that determine when to move infrequently accessed files to lower-cost storage environments, FSE helps reduce the strain on primary storage systems and saves on costs associated with high-performance storage solutions. This tiered approach to data management ensures that organizations can access the data they need quickly while still maintaining an efficient overall storage architecture.

Another notable characteristic of HP FSE is its seamless integration with existing storage infrastructures. The solution works with a variety of storage systems, allowing organizations to utilize their current investments without the need for significant changes to their infrastructure. This interoperability is powered by advanced technologies that facilitate data migration and retrieval, ensuring a smooth transition for organizations looking to optimize their storage strategies.

Additionally, HP FSE is equipped with robust reporting and analytics capabilities. This functionality provides organizations with insights into their storage usage, helping them understand data patterns and optimize their storage environments accordingly. By having visibility into which files are accessed most frequently and which are rarely used, organizations can make informed decisions on data retention policies and storage management.

Security is paramount in data management, and HP FSE addresses this concern by implementing advanced data protection features. This includes data encryption, secure access controls, and compliance with industry regulations, ensuring that sensitive information is safeguarded throughout its lifecycle.

Overall, HP File System Extender is a comprehensive data storage solution that combines intelligent data management, seamless integration, insightful analytics, and robust security features. By leveraging these capabilities, organizations can efficiently manage their unstructured data, lower costs, and enhance operational efficiency, making it an invaluable tool in today’s data-driven landscape.