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Last Updated December 10, 2003

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Windows 2000 Remote Storage Services (RSS)

The Remote Storage Service is a feature of the Windows 2000 Server operating system that makes it easy for you to extend disk space on your server computer without adding more hard disks. Remote Storage monitors the amount of free space available on a local volume, and then copies eligible files to a tape library automatically. In addition, Remote Storage allows you to customize the manner in which Remote Storage manages free space on your volumes. When the amount of free space on a local volume dips below the level you specify, file data is copied to Remote Storage, leaving a cached copy of the data behind on the local volume.

Where to Start
HOW TO: Use Remote Storage in Windows 2000 Server 
Microsoft Knowledge Base Article: 317369 - You can use the Remote Storage service to create virtual disk storage from a tape or other storage media. If you use this service, files that you access infrequently are moved to remote storage media. Remote Storage volumes are well suite 

Remote Storage Services Recommended Practices
Microsoft Knowledge Base Article: 234776 - This article describes Remote Storage Services (RSS) and recommended practices for this service. 

Remote Storage Services Tools
Microsoft Knowledge Base Article: 234692 - Remote Storage Services (RSS) includes tools that you can use to ensure data integrity:

Windows 2000 Server: Remote and Removable Storage  
Sample chapter from Configuring Windows 2000 Server, published by Prentice Hall, PTR Discusses managing and configuring volume libraries, and media pools, as well as configuring removable storage security. Source:

Step-by-Step Guide to Remote Storage
This document provides sample procedures that demonstrate the installation and administration of Remote Storage, the hierarchical storage management solution provided in the Microsoft© Windows? 2000 Server operating system. Source:

Changing Remote Storage Media Type
Microsoft Knowledge Base Article: 244078 - The first time that you click
Remote Storage on the Administrative Tools menu after you install the Remote Storage service, the Remote Storage Wizard starts. This wizard prompts for the NTFS volumes that you want Remote Storage to manage and for the tape device (the media type, for example, 4 MM) you want Remote Storage to use when you are offloading migrated files. The media type choices are derived from tape devices that are presently configured in Removable Storage Manager (RSM) when you start the wizard. You can select the media type only by using the wizard, and you cannot run the wizard again after you successfully complete it. If you want to use a different tape device (media type) to which to migrate files at a later time, there is no option in the Remote Storage graphical user interface (GUI) to change this setting.

How Remote Storage Creates Media Copies
Microsoft Knowledge Base Article: 265487 - Using Remote Storage (RSS), you can create up to three media copies of master media (tape). The master media houses files that you want to move from local hard drive storage to remote storage thereby using less of the expensive tape media. 

How to Restore the Remote Storage Database
Microsoft Knowledge Base Article: 235469 - This article describes how to restore the Remote Storage Service (RSS) database. This may be useful if: It is necessary to completely re-install Windows 2000. After you do so, you must restore the RSS database files before you can recall files from off-line storage. or The RSS database is damaged. When you try to obtain access to a file in off-line storage when the RSS service is not installed or able to start, you may receive the following error message: path and file name The file can not be accessed by the system. 

Troubleshooting: Known Bugs and Issues
Administrators Are Not Exempt from Remote Storage Recall Limit
Microsoft Knowledge Base Article: 243073 - The default recall limit on a remote storage server (RSS) defaults to 60 successive recalls. The administrator, by default, is not exempt from this limit. 

Backup Contains Incorrect Help Information About Remote Storage
Microsoft Knowledge Base Article: 246819 - The Help file for the Backup tool included with Windows 2000 contains incorrect or incomplete information about backing up migrated files that are located in remote storage. 

Backup Software May Not Work Correctly with Remote Storage-Managed Volumes
Microsoft Knowledge Base Article: 249734 - Older (or "legacy") vendor-supplied backup programs may not be aware of Windows 2000 Remote Storage service (RSS) files that have been moved to offline storage. When these files are moved to secondary storage, a reparse point is created that contains information about the file, such as property information (including the create/accessed date, security information, and other information) that may need to be accessed without recalling the file from storage. When such a program backs up a volume that contains RSS files, it may produce unwanted behavior such as backing up useless data to tape that cannot be used for restoring, or initiating a recall of all the files in offline storage 

Cannot Configure Minimum Remote Storage File Size Larger Than 9,999 KB
Microsoft Knowledge Base Article: 262661 - When you are configuring the minimum file size allowed by Remote Storage, you cannot set a file size larger than 9,999 KB. 

Cannot Gain Access to Files After Removing Remote Storage Service 
Microsoft Knowledge Base Article: 235071 - When you remove the Remote Storage Service (RSS) from your computer, you cannot gain access to files that are on a RSS managed volume even if the file resides locally.

Cannot Merge Remote Storage Service Databases to Combine Managed Volumes
Microsoft Knowledge Base Article: 236987 - When you are running the Remote Storage Server (RSS) service on Windows 2000-based servers, you cannot import volumes and recall/migrate data from one server running RSS to another server running RSS 

Data in Remote Storage Value Becomes Inaccurate Over Time
Microsoft Knowledge Base Article: 247846 - Over a variable period of time, the Data in Remote Storage indicator may become inaccurate, possibly indicating that more data than actually exists is in off-line storage.

Files That Are Recalled from Remote Storage Services Are Re-migrated to Offline Storage
Microsoft Knowledge Base Article: 255164 - Files that are recalled from Remote Storage Services (RSS) may be moved back into offline storage when the next RSS job runs. For example, a user recalls the Mydocument.doc file from secondary storage, and then reads the document. day, a user opens up the same document and RSS recalls the file from offline storage again even though the migration criteria, not accessed in X number of days, has not been met. 

Installed Tape Device Is Not Recognized by Removeable Storage Manager
Microsoft Knowledge Base Article: 216328 - After you install a tape device or other removable-media device in Windows 2000, the device may appear in Device Manager but not in Windows 2000 Backup. When this occurs, your only choice in Backup is to back up to a file. The removable-media device is not an option 

No Notification Recalling Files from Remote Storage
Microsoft Knowledge Base Article: 224290 - When a Windows 2000 client recalls a file that has been archived to off-line storage by the Remote Storage Server service, a "Recall in progress" notice appears on the screen stating that the file is being recalled from off-line storage. 

No Notification When Recalling Files from Remote Storage Server 
Microsoft Knowledge Base Article: 249257 - When you recall a file from a Remote Storage Server the Recall in Progress notification box may not be displayed on the client monitor even though the file is eventually recalled.

Remote Disk Management Has No Reconnect Functionality
Microsoft Knowledge Base Article: 233402 - While you are performing remote disk administration using either the Computer Management (Compmgmt.msc) or Disk Management (Diskadmin.msc) snap-in, you may receive the following error message: 

Remote Storage Allocates Two Media with the Same Name
Microsoft Knowledge Base Article: 268118 - When you use the Remote Storage administrative snap-in to view media that Remote Storage allocates, two media may have the same name. 

Remote Storage Files Are Still Recalled After Clicking Cancel
Microsoft Knowledge Base Article: 244452 - When you are recalling a file from remote storage locally or from a Windows 2000 client, the file may continue to be recalled by the Remote Storage system even if you click Cancel in the Recall dialog box.

Remote Storage Migration Job Performance Begins to Degrade Over Time
Microsoft Knowledge Base Article: 244832 - Over time, Remote Storage nightly migration jobs begin to degrade in performance by taking longer to complete. For example, your RSS service logs (located in the Remote Storage snap-in) show the nightly scans and data transfers taking longer in successive weeks. Normal recalls also begin to take an excessive amount of time to complete.

Remote Storage Oplocks Failures Cause Reduction in System Performance
Microsoft Knowledge Base Article: 265006 - Remote Storage oplocks "opportunistic file locking" failures may cause a reduction in system performance and issues with file system filters. 

Remote Storage Service Has No Option to Reclaim Media After Removing a Volume from Management 
Microsoft Knowledge Base Article: 268994 - Remote Storage Service (RSS) allocates media (tape) as needed to store migrated files, and to make media copies. The media that RSS allocates is never made available for other programs to use even after you use RSS to remove a volume from management. This behavior occurs primarily because RSS does not migrate files from different managed volumes to separate or different tapes. In addition, RSS does not keep a list of volumes from which it has migrated files for each specific piece of master media. Consequently, RSS has no reclaiming or tape recycling mechanism to free a tape from allocation. You can view RSS master media in the RSS graphical user interface (GUI) under the Media icon. All master and copy media that is allocated to RSS is located in the Removable Storage Manager (RSM) GUI in the Remote Storage media pool. 

Remote Storage Server Requires Free Space on Managed Volumes
Microsoft Knowledge Base Article: 200267 - While you try to set up Remote Storage Server to migrate unused files from a volume that has very little free space available, you may receive the following message:

Rsdiag Resource Kit Tool is Case Sensitive
Microsoft Knowledge Base Article: 283687 - The Rsdiag (Remote Storage Diagnostic Utility) Resource Kit tool is case sensitive; if the case is incorrect, you may receive error code 0x81000001.

Tape Capacity Differences Prevent Remote Storage from Making Media Copies
Microsoft Knowledge Base Article: 266011 - When you attempt to make media copies of a Remote Storage Service (RSS) master media, you may receive the following administrator alert message:

Tape's Internal and External Name Is Changed in Removable Storage
Microsoft Knowledge Base Article: 228210 - When you use the Windows 2000 Backup tool to perform a tape backup or you use Remote Storage to offload unused files to tape, the tape's name changes in both Backup and the Removable Storage snap-in the first time Backup or Remote Storage.


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