Azure Windows VM Event ID 51 - An error was detected on device \Device\Harddisk0\DR0 during a paging operation.

Question

Hello,

I've been experiencing persistent issues on my Azure VM for a few days now. An error consistently appears in the system Event Log stating: "An error was detected on device \Device\Harddisk0\DR0 during a paging operation." I believe this device corresponds to the C: drive, which hosts our RabbitMQ queue service. Interestingly, alongside this system error, the RabbitMQ service has started to throw "corrupted data" errors.

Here are some specifics about the VM:

• Model: Standard D16s v3 (16 vCPUs, 64 GiB memory)
• Disk Usage: C: drive is about 30% utilized.

A sample log:

- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
  <Provider Name="Disk" /> 
  <EventID Qualifiers="32772">51</EventID> 
  <Level>3</Level> 
  <Task>0</Task> 
  <Keywords>0x80000000000000</Keywords> 
  <TimeCreated SystemTime="2024-05-07T10:35:29.954064400Z" /> 
  <EventRecordID>47376674</EventRecordID> 
  <Channel>System</Channel> 
  <Computer>vm-myvm1</Computer> 
  <Security /> 
  </System>
- <EventData>
  <Data>\Device\Harddisk0\DR0</Data> 
  <Binary>040080000100000000000000330004802D010000150000C0000000000000000000500E0B7D0000001B2F206E00000000FFFFFFFF0100000058000086020000000020101280032040000010003C0000000000000000000000D88B55FD8D9BFFFF000000000000000010E023D38D9BFFFF10707F4D8E9BFFFF2887853E000000008A00000000003E858728000008000000700005000000000A00000000210000000000000000000000</Binary> 
  </EventData>
  </Event>

I'm unsure of the underlying cause of these errors and am looking for robust methods to diagnose and resolve the issue. Any insights or recommendations would be greatly appreciated!

Thank you in advance for your assistance.

Answer 1

@11-4688

Since you are seeing impact your service it is likely that you are hitting the disk IO or throughput limit, other VM limits are also a possibility.

The first thing I would check are the disk metrics for the VM. This should tell you whether the limit is caused by IO or throughput. Please note that there are limits for both the disk itself and the VM. If you are hitting the disk limit, you can increase the performance of the disk by increasing the size of the disk or by changing to a different disk type. If you are hitting the VM limit, you will need to change the VM size to resolve the issue. Since you are already running a D16sv3 and you say that the workload is on a singular disk, then I assume the bottleneck is the disk. Limits for the DSv3 series are here.

If you are unsure, please let me know the disk type, and size and share the disk metrics. If necessary we can work with you directly to further investigate.

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