David E Ehresman wrote:

>I am moving from an MVS server to an Aix server.  When a do a "DEFINE
>VOL stgpool filename FORMAT=nnn" the Aix box stops responding until
>after the format is done.  A monitor shows 100% i/o busy on the disk.
>Is this normal Aix behavior?
>
>

You could (At the expense of peak IO performance) turn on IO pacing...

>TSM server = 5.1.1
>Aix = 5.1
>Disk = SSA Raid 5
>
>David
>
>


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