Richard Elling - PAE schrieb:
The big question, though, is "10% of what?"  User CPU?  iops?

Maybe something like the "slow" parameter of VxVM?

               slow[=iodelay]
                    Reduces toe system performance impact of copy
                    operations.  Such operations are usually per-
                    formed on small regions of the  volume  (nor-
                    mally  from  16  kilobytes to 128 kilobytes).
                    This  option  inserts  a  delay  between  the
                    recovery  of  each  such  region . A specific
                    delay can be  specified  with  iodelay  as  a
                    number  of milliseconds; otherwise, a default
                    is chosen (normally 250 milliseconds).



Daniel
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