We have a Windows 2008 Hyper-V cluster VM failed every night in the past week. And it gives me the error: 'VM-01' Microsoft Emulated IDE Controller (Instance ID {83F84444B-8DCA-4152-9EDA-2CA8B33034B8}): Failed to Power on with Error 'A device attached to the system is not functioning.' (0x8007001F). (Virtual machine ID 1241E22E-E750-44C7-91F7-7588C8FBB9AE) After a quick search, I found … Continue reading Hyper-V: A device attached to the system is not functioning
Category: Virtualization
SQL Server Virtualization Recommendations on Hyper-V
Nice article talking about the best practice of running SQL server on Hyper-V: http://mssqldude.wordpress.com/2011/11/02/sql-server-virtualization-recommendations-on-hyper-v/ Lock Pages in Memory. In fact, this is quickly becoming a STANDARD recommendation on all SQL Server boxes and VMs that are dedicated as database servers. Virtual SCSI-attached virtual disks for all data disks give the best performance for SQL Server. … Continue reading SQL Server Virtualization Recommendations on Hyper-V
Troubleshoot Hyper-V Cluster Node Blue Screen Issue
We had an incident last Friday – couple Hyper-V cluster nodes went to blue screen and rebooted themselves. With the Windows debugging tool and some knowledge of Cluster, I think I have figured it out. 1) Run Windows Debug Tool, and set the symbol path: SRV*C:\Symbols*http://msdl.microsoft.com/download/symbols 2) Copy the dump file to your local, the … Continue reading Troubleshoot Hyper-V Cluster Node Blue Screen Issue
CSV Redirected Access Issue
In the past, the only reason I know that could cause CSV get into redirected access mode is the VSS. Generally, the CSV can get out of redirected access mode after cleaning of the VSS shadows. But Today I see another reason – McAfee Virus Scan Enterprise Patch 1. If you install the VSE Patch … Continue reading CSV Redirected Access Issue
Validate SCSI Device Vital Product Data (VPD) Failed
‘Validate SCSI Device Vital Product Data’ test validates that the storage supports necessary SCSI inquiry data (VPD descriptors) and that they are unique. But after the installation of Windows Server 2008 R2 SP1, the test will always fail during cluster validate test. The solution to this issue is to install a Microsoft hotfix, no restart … Continue reading Validate SCSI Device Vital Product Data (VPD) Failed
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