On Fri, Sep 23, 2011 at 9:09 AM, Chris Adams <cmad...@hiwaay.net> wrote: > The primary storage is on an iSCSI SAN (Dell EqualLogic PS6000X), so I > was also wondering what might happen if I set the OS scheduler to "noop" > and let the SAN do all the scheduling (under the assumption that since > it knows the actual hardware layout, it could do a better job). Has > anybody tried that?
Hi Chris, We have a bunch of PS6500E in two pools and while it wasn't a scientific test, SANHQ does show greater peak iops for the same workload with noop vs. default (CFQ?) RHEL 5.6 and 6.1. -Eugene _______________________________________________ rhelv5-list mailing list rhelv5-list@redhat.com https://www.redhat.com/mailman/listinfo/rhelv5-list
