From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kip Macy Subject: Re: Poor write performance with physical disk on DomainU freebsd Date: Sat, 6 Aug 2005 11:45:57 -0700 Message-ID: References: <20050806042436.GA3267@gsy2.lepton.home> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20050806042436.GA3267@gsy2.lepton.home> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: lepton Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org There are some fixes to the block driver that may not be in that build.=20 I won't get a chance to look into it until next week. -Kip On 8/5/05, lepton wrote: > I get freebsd xen port from http://www.fsmware.com/xenofreebsd/5.3/ >=20 > After I get it to work, I think using a loop file is slow. So I decided t= o > move all files to a physical disk. > I changed my xen configuration file, add a 'phys:hda2,hda2,w' in my > disks configration. >=20 > then in freebsd, I newfs /dev/xbd1, mount it, and use >=20 > tar -cvpf- /|(cd /mnt;tar -xf-) to move files from loop device to > physical device. >=20 > I found the tar process will block (use ps, I will see it is in 'D' > status) after some work. >=20 > I have tried async mount and softupdate, the result is same. > I tried dump and restore too, the result is same. >=20 > And the system whil not response to remote ssh login when tar block. > But it will reply to ping. >=20 > Is this a known problem to freebsd on xen? >=20 > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel >