From: Neugebauer, R. <rol...@in...> - 2004-03-24 22:45:20
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This seems quiet slow. Can you check the xen boot message for a warning if PIO is used? That might explain. I think there was something on the xen-devel list a while back. There might be two mentioning of PIO (or at least I think that used to be the case) one of them might be wrong.=20 Rolf > -----Original Message----- > From: xen...@li... [mailto:xen-devel- > ad...@li...] On Behalf Of David Becker > Sent: 24 March 2004 14:34 > To: xen...@li... > Subject: [Xen-devel] IDE drives >=20 >=20 > I'm seeing quite slow IDE write performance on Xenolinux-1.2 > Native linux writes at 30MB/s to an ext2 fs, and Xenolinux DOM0 gets > about 2MB/s (this is not a virtual disk extent). hdparm doesn't work > under xenolinux, but that is only part of the problem. Native linux > writes at 6MB/s without any hdparm tuning. >=20 > The SCSI hosts seem fine. native linux writes to scsi at 36MB/s and > xen at 28MB/s. >=20 > Is the IDE speed about what I should expect for xen-1.2 or did I screw > up my configuration? >=20 >=20 >=20 >=20 >=20 > ------------------------------------------------------- > This SF.Net email is sponsored by: IBM Linux Tutorials > Free Linux tutorial presented by Daniel Robbins, President and CEO of > GenToo technologies. Learn everything from fundamentals to system > = administration.http://ads.osdn.com/?ad_id=3D1470&alloc_id=3D3638&op=3Dcli= ck > _______________________________________________ > Xen-devel mailing list > Xen...@li... > https://lists.sourceforge.net/lists/listinfo/xen-devel |