They are scsi behind a raid controller. I have noted taht bdflush and kupdated chew up most of the cycles.
------------------ Marvin Blackburn Systems Administrator Glen Raven "He's no failure. He's not dead yet" --William Lloyd George > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Behalf Of Jon Carnes > Sent: Tuesday, September 02, 2003 2:08 PM > To: Triangle Linux Users Group discussion list > Cc: Red Hat Mailing List (E-mail) > Subject: Re: [TriLUG] load shooting up on large sequential copies > > > Not much help, but I know there are some tuning parameters > you can apply > to certain ext3 partitions to help with large I/O operations. > I usually > just make those partitions ext2. > > I almost always make /var ext2 especially on mail server or proxy > server. > > 500Mb is so small these days, that I'm surprised it is causing you any > problems. Are the drives involved IDE? > > On Tue, 2003-09-02 at 13:13, Marvin Blackburn wrote: > > We have a problem where the load shoots up as well as sys > cpu when we do > > some large sequential copies. > > We are copying two 500MB files from point a to point b. > Both filesystems > > are ext3 on raid 5. > > > > Does anyone have any ideas on what kernel tuneables might > help with this > > problem, or what mount options my be helpful. > > Thanks. > > > > > -- > TriLUG mailing list : > http://www.trilug.org/mailman/listinfo/trilug > TriLUG Organizational FAQ : http://trilug.org/faq/ > TriLUG Member Services FAQ : http://members.trilug.org/services_faq/ > TriLUG PGP Keyring : http://trilug.org/~chrish/trilug.asc -- TriLUG mailing list : http://www.trilug.org/mailman/listinfo/trilug TriLUG Organizational FAQ : http://trilug.org/faq/ TriLUG Member Services FAQ : http://members.trilug.org/services_faq/ TriLUG PGP Keyring : http://trilug.org/~chrish/trilug.asc
