On Wed, Apr 15, 2009 at 9:19 PM, Pasi Kärkkäinen <pa...@iki.fi> wrote: > noop is usually good for the initiator. cfq has a feature (or a bug?) that > prevents achieving queue depths deeper than 1, and thus limits your > bandwidth a lot when there are (or should be) many ios on the fly at the > same time.
Hello Pasi, Do you have any idea whether modifying the tunable CFQ parameters could resolve the bandwidth limiting behavior of CFQ ? $ ls /sys/block/sda/queue/iosched back_seek_max fifo_expire_async quantum slice_async_rq slice_sync back_seek_penalty fifo_expire_sync slice_async slice_idle Bart. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "open-iscsi" group. To post to this group, send email to open-iscsi@googlegroups.com To unsubscribe from this group, send email to open-iscsi+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/open-iscsi -~----------~----~----~----~------~----~------~--~---
