HP File System Extender (FSE) manual Limited support for Windows disk checker

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\Explorer

\BitBucket: NukeOnDelete [REG_DWORD] = 1

NOTE: This registry key affects the whole system, so once it is modified, the Recycle Bin is also not available for other disk volumes.

Pointing to files in WinZip and Total Commander triggers recalls

With WinZip installed, dragging the mouse over an offline .zip file in Windows Explorer triggers a recall of the file.

Something similar happens in Total Commander (old name Windows Commander), where pointing the cursor onto directory that contains an offline .zip files triggers a recall of all offline .zip files in that directory. Such unwanted recalls occur regardless of WinZip presence, because of Total Commander’s own Zip plug-in.

Defragmentation of HSM file systems not supported on Windows 2000 Server

On Windows 2000 Server systems, defragmenting HSM file systems with Disk Defragmenter, the Windows disk defragmentation tool, or any other third-party defragmentation utility is not supported. Defragmenting an HSM file system causes file system corruption and may result in data loss.

If defragmentation is attempted on an HSM file system that belongs to an enabled FSE partition, the HSM file system filter prevents the corruption by triggering a blue screen. If the same action is attempted on an HSM file system that belongs to a disabled FSE partition, the defragmentation will succeed. However, after enabling the FSE partition, the defragmented files whose ID has changed will appear as being newly created on the HSM file system.

Limited support for Windows disk checker

On a consolidated Windows FSE implementation or an external Windows FSE client, you should not use the system native checkdisk command for checking disk volumes with HSM file systems while local FSE processes are running. If you do, it will trigger a blue screen. To run checkdisk on such a volume, first stop the local FSE operation by invoking the fse --stopcommand.

Windows Server 2003 specific

On a Windows Server 2003 system that has been updated with Windows Server 2003 Service Pack 1 (SP1) or later, the above limitation does not apply. On such a system, you can run checkdisk even when FSE processes are running.

Limitations on the Traditional Chinese Windows systems

When using an FSE implementation that is hosted on a Traditional Chinese Windows system, the following limitations apply:

Names of mount point directories for local HSM file systems must not contain traditional Chinese characters.

Outputs generated by the FSE commands may be corrupted when they include traditional Chinese strings.

24 Limitations

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Contents HP StorageWorks File System Extender File System Extender 3.2 Release Notes Contents Known issues and workarounds About this guide Intended audienceRelated documentation Document conventions and symbols PrerequisitesSoftware requirements Hardware requirementsHP technical support HP-authorized resellerHelpful web sites Page Supported hardware and software Hardware requirementsSupported 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 limitationsReusing file systems for newly configured FSE partitions Linux-specific limitationsSpecial file types are not supported Limited symbolic link support Directories with sticky bit not supported File 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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