I have a two node win2008 failover cluster, attached to SAN, and for two weeks ago I disovered that the Cluster Validation doesnt pass anymore. It stops on one of the shared disks (LUNs) and the error is &quot;Failed to offline cluster disk 0 from node servername.domain, failure reason: More data is available.&quot; ?? <br/><br/>It is only the Validation test that fails, it is no problem to move the resource from one node to the other<br/><br/>I have read the &quot;ValidateStorage.log&quot; and the only error I can find is<br/>&quot;CprepDiskOnline: Failed to get volume name for device <a>\\?\GLOBALROOT\Device\Harddisk4\Partition1\</a>, status 3&quot;<br/>but I get that for all the for all &quot;Harddisks&quot; even on disks where the test is ok?<br/><br/> <div style="text-align:left" dir=ltr>I have run chkdsk without any errors<br/></div> <br/>Is the failover test the problem or? <br/><br/>Appreciate all help I can get<br/><br/>//NPan<br/>© 2009 Microsoft Corporation. All rights reserved.Thu, 17 Sep 2009 23:15:45 Z9714d605-478d-4ff4-8e38-401c05a78a50http://social.technet.microsoft.com/Forums/en-US/winserverClustering/thread/9714d605-478d-4ff4-8e38-401c05a78a50#9714d605-478d-4ff4-8e38-401c05a78a50http://social.technet.microsoft.com/Forums/en-US/winserverClustering/thread/9714d605-478d-4ff4-8e38-401c05a78a50#9714d605-478d-4ff4-8e38-401c05a78a50NPanhttp://social.technet.microsoft.com/Profile/en-US/?user=NPanI have a two node win2008 failover cluster, attached to SAN, and for two weeks ago I disovered that the Cluster Validation doesnt pass anymore. It stops on one of the shared disks (LUNs) and the error is &quot;Failed to offline cluster disk 0 from node servername.domain, failure reason: More data is available.&quot; ?? <br/><br/>It is only the Validation test that fails, it is no problem to move the resource from one node to the other<br/><br/>I have read the &quot;ValidateStorage.log&quot; and the only error I can find is<br/>&quot;CprepDiskOnline: Failed to get volume name for device <a>\\?\GLOBALROOT\Device\Harddisk4\Partition1\</a>, status 3&quot;<br/>but I get that for all the for all &quot;Harddisks&quot; even on disks where the test is ok?<br/><br/> <div style="text-align:left" dir=ltr>I have run chkdsk without any errors<br/></div> <br/>Is the failover test the problem or? <br/><br/>Appreciate all help I can get<br/><br/>//NPan<br/>Mon, 29 Jun 2009 11:24:53 Z2009-06-29T11:24:53Zhttp://social.technet.microsoft.com/Forums/en-US/winserverClustering/thread/9714d605-478d-4ff4-8e38-401c05a78a50#d77705bc-149e-4a0e-a0be-2d3eec700722http://social.technet.microsoft.com/Forums/en-US/winserverClustering/thread/9714d605-478d-4ff4-8e38-401c05a78a50#d77705bc-149e-4a0e-a0be-2d3eec700722Edwin vMierlohttp://social.technet.microsoft.com/Profile/en-US/?user=Edwin%20vMierloit is very little data you give us to work with here.<br/>But, in these cases you should involve your storage vendor to look at this<br/><br/>I know, a kind-a generic answer, sorry about that<br/><br/>rgds,<br/>Edwin.<br/>Thu, 02 Jul 2009 10:46:36 Z2009-07-02T10:46:36Zhttp://social.technet.microsoft.com/Forums/en-US/winserverClustering/thread/9714d605-478d-4ff4-8e38-401c05a78a50#af5fc95e-4f74-4ad3-a2a0-0ccb1c6940fdhttp://social.technet.microsoft.com/Forums/en-US/winserverClustering/thread/9714d605-478d-4ff4-8e38-401c05a78a50#af5fc95e-4f74-4ad3-a2a0-0ccb1c6940fdNPanhttp://social.technet.microsoft.com/Profile/en-US/?user=NPanThanks for the reply anyway<br/><br/>-The error message &quot;Failed to offline cluster disk 0 from node servername.domain, failure reason: More data is available.&quot; make me belive that I should be able to find more information somewhere, can anybody point me any direction were to look for that information?<br/><br/>-Have anybody else seen the message &quot;CprepDiskOnline: Failed to get volume name for device <a><span style="color:#0033cc">\\?\GLOBALROOT\Device\Harddisk4\Partition1\</span></a>, status 3&quot; in the file &quot;ValidateStorage.log&quot; when doing a successfil &quot;Cluster Validation&quot;??<br/><br/>//NPanWed, 08 Jul 2009 07:47:26 Z2009-07-08T07:47:26Zhttp://social.technet.microsoft.com/Forums/en-US/winserverClustering/thread/9714d605-478d-4ff4-8e38-401c05a78a50#d09910f7-5c9d-4cac-9539-1c908f3f9a8ehttp://social.technet.microsoft.com/Forums/en-US/winserverClustering/thread/9714d605-478d-4ff4-8e38-401c05a78a50#d09910f7-5c9d-4cac-9539-1c908f3f9a8eChuck Timon [MSFT]http://social.technet.microsoft.com/Profile/en-US/?user=Chuck%20Timon%20%5bMSFT%5dApply SP2 for W2K8 and re-run validation.<hr class="sig">Chuck Timon Senior, Support Escalation Engineer (SEE) Microsoft CorporationThu, 09 Jul 2009 12:25:05 Z2009-07-09T12:25:05Zhttp://social.technet.microsoft.com/Forums/en-US/winserverClustering/thread/9714d605-478d-4ff4-8e38-401c05a78a50#ca1d65ef-2b27-4739-98d0-9c0685200e52http://social.technet.microsoft.com/Forums/en-US/winserverClustering/thread/9714d605-478d-4ff4-8e38-401c05a78a50#ca1d65ef-2b27-4739-98d0-9c0685200e52NPanhttp://social.technet.microsoft.com/Profile/en-US/?user=NPanI will do that and tell you how it goes<br/><br/>thanks<br/><br/>//NPanFri, 28 Aug 2009 08:33:21 Z2009-08-28T08:33:21Zhttp://social.technet.microsoft.com/Forums/en-US/winserverClustering/thread/9714d605-478d-4ff4-8e38-401c05a78a50#7170e29c-6802-4ff1-bf57-c08680fe7883http://social.technet.microsoft.com/Forums/en-US/winserverClustering/thread/9714d605-478d-4ff4-8e38-401c05a78a50#7170e29c-6802-4ff1-bf57-c08680fe7883Chuck Timon [MSFT]http://social.technet.microsoft.com/Profile/en-US/?user=Chuck%20Timon%20%5bMSFT%5dAnd?<hr class="sig">Chuck Timon Senior, Support Escalation Engineer (SEE) Microsoft CorporationThu, 17 Sep 2009 23:15:45 Z2009-09-17T23:15:45Z