Thanks, used FileMon and tracked it. From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Michel Roth Sent: 17 April 2007 08:22 To: thin@xxxxxxxxxxxxx Subject: [THIN] Re: OT: Tracking disk thrash Indeed, use process monitor and sort on the write and/or read delta (add a column). On 4/13/07, Anthony_Baldwin@xxxxxxxxx<mailto:Anthony_Baldwin@xxxxxxxxx> <Anthony_Baldwin@xxxxxxxxx <mailto:Anthony_Baldwin@xxxxxxxxx> > wrote: Nick, ProcessMonitor or Filemon from sysinternals should tell you what's accessing the disk. Tony "Nick Smith" <nick@xxxxxxxxxxxxxxxxxx<mailto:nick@xxxxxxxxxxxxxxxxxx>> Sent by: thin-bounce@xxxxxxxxxxxxx<mailto:thin-bounce@xxxxxxxxxxxxx> 04/13/2007 05:33 AM Please respond to thin@xxxxxxxxxxxxx<mailto:thin@xxxxxxxxxxxxx> To <thin@xxxxxxxxxxxxx<mailto:thin@xxxxxxxxxxxxx>> cc Subject [THIN] OT: Tracking disk thrash We have an SBS at a client that is getting frequent irregular 100% disk usage for long enough to severely impair users. Are there any utilities that could help me pin down what process and/or users are causing this? Sorry for waaaay off-topic, but client getting *very* antsy and you are knowledgeable types. Nick This e-mail is confidential and is intended only for the attention of the addressee. If you are not the intended recipient, this e-mail should not be disclosed to any other person. Please notify the sender immediately and delete this e-mail from your computer system. Although this e-mail has been checked for viruses and other defects, no responsibility can be accepted for any loss or damage arising from its receipt or use. -- Kind Regards, Michel Roth Thincomputing.net<http://Thincomputing.net>