False "low disk space" alert

Monitor, diagnose and receive alerts to problems across your SQL Servers.

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False "low disk space" alert

Postby paule123 » Fri Jun 04, 2010 9:34 pm

I installed version 1.3.0.58 yesterday. Today I got an alert Low Disk Space on both drives C: and D:

Free Space: 0.0 bytes
Used Space: 0.0 bytes
Capacity: 0.0 bytes
File System: NTFS

Both drives are well under 50% utilization. The alert is set for the default 80% trigger. As far as I can tell there's nothing noteworthy in the windows event log or SQL log that occurred around that time.

OS is Windows 2008 R2 Enterprise 64-bit running SQL Server 2008 Enterprise 64-bit. Dell PERC/6 controller with RAID10 array.
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Postby Brian Donahue » Mon Jun 07, 2010 10:06 am

Thanks for your post. Unfortunately I don't think we can help as this appears to be a WMI bug in Windows 2008 R2 that causes a memory leak. Microsoft have a patch that may help now, if you want to try that.

Previous occurrence of the problem:
http://www.red-gate.com/MessageBoard/vi ... hp?t=10924

Patch from MS:
http://support.microsoft.com/kb/981314
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