Yes, we are testing (or attempting) both. When I run mkinitrd it doesn't pick up the changes to /etc/modprobe.conf
I update /etc/modprobe.conf options dasd_mod dasd=100-11F elevator=deadline I run mkinitrd and then zipl but at boot it says "using cfq io scheduler" Should the options have quotes? "dasd=100-11F elevator=deadline" Betsie -----Original Message----- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Mark Post Sent: Thursday, March 15, 2007 4:01 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: Linux elevator on RH4 >>> On Thu, Mar 15, 2007 at 6:57 PM, in message <[EMAIL PROTECTED]>, Adam Thornton <[EMAIL PROTECTED]> wrote: > On Mar 15, 2007, at 5:07 PM, Spann, Elizebeth (Betsie) wrote: > >> On SLES 9 and 8 I used elevator=deadline which was recommended at >> SHARE >> a few years ago. RHEL AS 4 defaults to elevator=cfq. >> >> Opinions? > > Totally dependent on what you're using your disk for. > > Read the various papers, figure out what your workload is, and make > an informed decision. No generic one- size- fits- all answer, though. Or better yet, try them and actually measure the results. :) Mark Post ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
