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Backup is growing large and running slow, server runs DFS - Connect IT Community | Kaseya
<main> <article class="userContent"> <h2 data-id="summary"><strong>SUMMARY</strong></h2> <p>Backup is growing large and running slow, server runs DFS. Also valid for any writers that should be excluded from system state. (WDS, DFS, etc)</p> <h2 data-id="issue"><strong>ISSUE</strong></h2> <p></p> <h3 data-id="purpose">Purpose</h3> <p>This article addresses that causes a Windows system state backup to grow inordinately large and backup is taking a long time to complete.</p> <b>Symptoms</b> <p>During a file-level backup of any type (master, differential or incremental) a system state backup is also taken. When a Windows server is using DFS (Distributed File System), this system state backup can grow very large and cause the backup to take a long time.</p> <h3 data-id="cause">Cause</h3> <p>The system state backup will included data within the volume using DFS, cause large system state backups and long backup times.</p> <h3 data-id="resolution">Resolution</h3> <p>To resolve this, the DFS writer must be excluded from the system state backup.</p> <p><span style="font-family: courier;">vssadmin list writers</span><br><br><span style="font-family: courier;">Writer name: 'FSRM Writer'</span><br><span style="font-family: courier;">Writer Id: {12ce4370-5bb7-4c58-a76a-e5d5097e3674}</span><br><span style="font-family: courier;">Writer Instance Id: {74d6ad79-fa10-460c-ac44-21f343b92870}</span><br><span style="font-family: courier;">State: [5] Waiting for completion</span><br><span style="font-family: courier;">Last error: No error</span><br><br><span style="font-family: courier;">Writer name: 'DFS Replication service writer'</span><br><span style="font-family: courier;">Writer Id: {2707761b-2324-473d-88eb-eb007a359533}</span><br><span style="font-family: courier;">Writer Instance Id: {c9aa68b1-c0a5-4201-8a0c-746c38f9f63a}</span><br><span style="font-family: courier;">State: [5] Waiting for completion</span><br><span style="font-family: courier;">Last error: No error</span><br> </p> <p> </p> <p><span style="font-family: courier;">[System State]<br>IncludeWriterFilesInMaster={12ce4370-5bb7-4c58-a76a-e5d5097e3674} , {2707761b-2324-473d-88eb-eb007a359533}</span></p> <ol><li>Run the command below to view all of the VSS writers.</li> <li>Open the Unitrends Agent’s master.ini configuration file located on the client-server in the \PCBP\ directory.</li> <li>Add a System State section and the IncludeWriterFilesInMaster field, which references the Writer ID for both the FSRM and DFS writers.</li> </ol> </article> </main>