Allen, If this is tape-to-tape, perhaps the input tape is repositioning (spacing, or seeking). This can happen for reclaims, for example, as you are skipping over expired files. Just a thought.
..Paul At 04:50 PM 11/10/2008, Allen S. Rout wrote:
>> On Mon, 10 Nov 2008 13:22:32 -0800, "Clark, Robert A" <[EMAIL PROTECTED]> said: > What is the source and destination for the data? Is it coming from > disk or tape? Is it going to disk or tape? All, or vast majority, tape-to-tape. > Idle percentage doesn't tell much, especially if the systems are doing a > lot of I/O wait. Very little IO wait. Not all the time, of course. But the slow traffic persists across multiple minute periods of maybe 5% IOwait. - Allen S. Rout
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