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In Windows Server 2003, I'm seeing a process in Task Manager with a high value in the I/O Other column. I'm trying to determine if it's in some kind of error state, but I don't know what I/O Other means. I/O Reads and Writes are low. What is I/O Other?

I'm also looking for any more detail I can get on what an I/O Other operation is, more explanation than "An example of this type of operation is a control function." Thanks

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2 Answers

According to TechNet:

The number of input/output operations generated by a process that are neither reads nor writes, including file, network, and device I/Os. An example of this type of operation would be a control function. I/O Others directed to CONSOLE (console input object) handles are not counted.

If you need more detailed info than Task Manager provides, take a look at Process Explorer and Process Monitor from Sysinternals.

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See http://windows.microsoft.com/en-US/windows-vista/What-do-the-Task-Manager-memory-columns-mean

Quote: "The number of input/output operations generated by the process that are neither a read nor a write, including file, network, and device I/Os. An example of this type of operation is a control function. I/O Other operations directed to CONSOLE (console input object) handles are not counted."

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Though the link specifies Windows Vista, the same description also applies to 2K3 Server. –  Mike Insch Jul 12 '11 at 15:56
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