Peter Kjellstrom wrote: > On Tuesday 02 September 2008, Joseph L. Casale wrote: > > Is there a way to nice the IO on a process such as dd? > > If not, what could be a way to control the IO level of > > such a process from bogging down a server to severely. > > There is ionice (assuming CentOS-5) in the util-linux package. It's by no > means perfect but unlike nice it atleast tries to do what you want :-) If that doesn't do it for you then maybe choosing a different scheduler then cfq can help. Something like 'deadline' may work better for the workload. AFAIK ionice will only work with the cfq scheduler for now. -Ross ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.