OK, thanks, deadline didn't fix the latest case of the issue anyway so we are pursuing with SuSE and have backed down to kernel 3.0.31 which seems to be stable.
Marcy This message may contain confidential and/or privileged information. If you are not the addressee or authorized to receive this for the addressee, you must not use, copy, disclose, or take any action based on this message or any information herein. If you have received this message in error, please advise the sender immediately by reply e-mail and delete this message. Thank you for your cooperation. -----Original Message----- From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Sebastian Ott Sent: Friday, October 26, 2012 1:20 AM To: [email protected] Subject: Re: [LINUX-390] I/O scheduler on sles 11 sp2 on z On Thu, 25 Oct 2012, Marcy Cortes wrote: > Yes! We are using LVM extensively. > So cfq is being used on LVM by default then? Nope. As explained the default IO scheduler on sles11 on z for all block devices is deadline (unless you change the default; DASD being the exception using deadline regardless of the default). Regards, Sebastian > > > Marcy > > > This message may contain confidential and/or privileged information. If you > are not the addressee or authorized to receive this for the addressee, you > must not use, copy, disclose, or take any action based on this message or any > information herein. If you have received this message in error, please advise > the sender immediately by reply e-mail and delete this message. Thank you for > your cooperation. > ---------------------------------------------------------------------- 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 more information on Linux on System z, visit http://wiki.linuxvm.org/
