https://community.hpe.com/t5/operating-system-linux/sar-statistics-question/m-p/2849837#M2925 Well, you must be using a different version of Sar that I'm used to using under Linux. In any case, it's talking about Disk access as best as I can understand.<BR /><BR /><A href="http://www.cs.helsinki.fi/linux/linux-kernel/2002-19/0567.html" target="_blank">http://www.cs.helsinki.fi/linux/linux-kernel/2002-19/0567.html</A><BR /><BR />This tries to explain how the data is retrieved for the %WIO values.<BR /><BR />Hope that helps. Failing that, you could always look at the discussions for the meaning of the value for other OS's. Fri, 22 Nov 2002 01:03:53 GMT Stuart Browne 2002-11-22T01:03:53Z https://community.hpe.com/t5/operating-system-linux/sar-statistics-question/m-p/2849836#M2924 In the manual from command sar (#man sar) explains this for %wio.<BR /><BR />%wio idle with some process waiting for I/O (only block I/O, raw I/O, or VM pageins/swapins indicated);<BR /><BR />What means I/O block?.<BR /><BR />Thanks.<BR /><BR /> Fri, 22 Nov 2002 00:28:01 GMT https://community.hpe.com/t5/operating-system-linux/sar-statistics-question/m-p/2849836#M2924 Javier Ortiz Guajardo 2002-11-22T00:28:01Z https://community.hpe.com/t5/operating-system-linux/sar-statistics-question/m-p/2849837#M2925 Well, you must be using a different version of Sar that I'm used to using under Linux. In any case, it's talking about Disk access as best as I can understand.<BR /><BR /><A href="http://www.cs.helsinki.fi/linux/linux-kernel/2002-19/0567.html" target="_blank">http://www.cs.helsinki.fi/linux/linux-kernel/2002-19/0567.html</A><BR /><BR />This tries to explain how the data is retrieved for the %WIO values.<BR /><BR />Hope that helps. Failing that, you could always look at the discussions for the meaning of the value for other OS's. Fri, 22 Nov 2002 01:03:53 GMT https://community.hpe.com/t5/operating-system-linux/sar-statistics-question/m-p/2849837#M2925 Stuart Browne 2002-11-22T01:03:53Z