Date: Mon, 21 Jun 2010 08:14:50 +0800 From: Adrian Chadd <adrian@freebsd.org> To: =?ISO-8859-1?Q?Tjado_M=E4cke?= <tjado.ml.freebsd-xen@maecke.net> Cc: freebsd-xen@freebsd.org Subject: Re: Paravirtualized FreeBSD 8 Guest on Citrix XenServer 5.5/5.6 Host Message-ID: <AANLkTikzLuh4xxwiiB80G9sjzmQ5SJXcYgkr5UaJ3tgK@mail.gmail.com> In-Reply-To: <4C1E4AE5.8060300@maecke.net> References: <AANLkTimMZKyYpG52Xf3pJsiJjYiBuoooOuJQdV8gjrv4@mail.gmail.com> <010101cb0fb1$e015e370$a041aa50$@fr> <AANLkTinqzrvXwUkbIXJISn2k-xhTqt3-q7omRXGU95p6@mail.gmail.com> <AANLkTinTKwLrZaclBh70AnRBqwDRAQrUP4JuyYSiIqnF@mail.gmail.com> <4C1E2575.2070405@maecke.net> <000301cb1090$df239fe0$9d6adfa0$@fr> <4C1E3A51.8080905@maecke.net> <000401cb1091$c5ae06d0$510a1470$@fr> <4C1E4AE5.8060300@maecke.net>
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As I've said before, the FreeBSD-Xen PVM code requires someone with the time and inclination to pick it up and maintain it. The commercial focus of FreeBSD/Xen users at the moment seems to be on HVM support rather than full PVM support. Adrian On 21 June 2010 01:07, Tjado M=E4cke <tjado.ml.freebsd-xen@maecke.net> wrot= e: > I didn't do any tests in general. I used for a while FreeBSD HVM (and > other os guests...) under xen-3.2.1. There I got problems that VM's > react very slowly under ZFS/UFS I/O stress (tar of logs, etc...) till I > need to reboot the guest. It was under FreeBSD 7.2 with ZFS beta but 8.0 > didn't worked with that xen/kernel. The last weeks I tried Xen 4.0.0 but > tap:aio and tap:tapdisk:aio cause complete host kernel crashes under I/O > stress (dd if /dev/zero...). With Xen-4.0.1-rc3-pre I haven't these > problems, FreeBSD 8 is working (so booting works ;) and states/times > seems a lot more healthier. > > Softs: Webserver with a top 5000 (alexa) site (high db access - cached, > some I/O because of downloads), high threaded game server (for wc3), > mail server and other webservers/stuff... > > Am 20.06.2010 18:00, schrieb Guillaume Seigneuret: >> Could you tell us what did you do to test the stability ? >> Softs running on it, who many time and with who many users using it ? >> >> Thanks by advance. >> >> Cordialement, >> >> Guillaume Seigneuret >> >> >> >> Network and System Security Architect >> Web : http://www.omegacube.fr >> Address : >> H=F4tel Technologique - BP 100 >> Technop=F4le de Ch=E2teau Gombert >> 13382 Marseille Cedex 13 >> >> >> -----Message d'origine----- >> De : Tjado M=E4cke [mailto:tjado.ml.freebsd-xen@maecke.net] >> Envoy=E9 : dimanche 20 juin 2010 17:57 >> =C0 : Guillaume Seigneuret >> Cc : 'Pandu Poluan'; freebsd-xen@freebsd.org >> Objet : Re: Paravirtualized FreeBSD 8 Guest on Citrix XenServer 5.5/5.6 = Host >> >> I mean stable in a general way not for FreeBSD (didn't tried out it in >> PV yet). >> >> tjado >> >> Am 20.06.2010 17:54, schrieb Guillaume Seigneuret: >> >>> I did try with Xen 4.0.0. >>> But more stable doesn't meens "suitable for production use" ... >>> I think the FreeBSD team has to work on its kernel to make it stable un= der paravirtualized environment. >>> It's not really a question of Xen kernel version. >>> >>> Cordialement, >>> >>> Guillaume Seigneuret >>> >>> >>> >>> Network and System Security Architect >>> Web : http://www.omegacube.fr >>> Address : >>> H=F4tel Technologique - BP 100 >>> Technop=F4le de Ch=E2teau Gombert >>> 13382 Marseille Cedex 13 >>> >>> -----Message d'origine----- >>> De : Tjado M=E4cke [mailto:tjado.ml.freebsd-xen@maecke.net] >>> Envoy=E9 : dimanche 20 juin 2010 16:28 >>> =C0 : Guillaume Seigneuret >>> Cc : Pandu Poluan; freebsd-xen@freebsd.org >>> Objet : Re: Paravirtualized FreeBSD 8 Guest on Citrix XenServer 5.5/5.6= Host >>> >>> Hi, >>> >>> which version did you use of 4.0? For me, 4.0.1-rc3-pre runs more stabl= e >>> than 4.0.0. >>> Do you have some more information about the FreeBSD pv? Maybe i will tr= y >>> this howto: http://forums.freebsd.org/showthread.php?t=3D10268 >>> >>> tjado >>> >>> Am 20.06.2010 12:00, schrieb Guillaume Seigneuret: >>> >>> >>>> You're welcome, yes I guess it's safer to keep them in standalone serv= ers >>>> for the moment. >>>> For information I did try : >>>> >>>> FreeBSD 8 i386 paravirtualized on : >>>> >>>> =A0 =A0- Xen 3.4.2 with a 2.6.32 Linux kernel >>>> =A0 =A0- Xen 4.0 with a 2.6.32.12 Linux kernel >>>> >>>> FreeBSD 9 beta i386 paravirtualized on : >>>> >>>> =A0 =A0- >>>> =A0 =A0- Xen 3.4.2 with a 2.6.32 Linux kernel >>>> =A0 =A0- Xen 4.0 with a 2.6.32.12 Linux kerne >>>> >>>> >>>> Configuration with mono CPU and 512/1024 Mo RAM, Disks on Dom0 LVM >>>> partitions. >>>> Plateforms : Dell T610, Dell R200, Dell R210. >>>> >>>> Cordialement, >>>> >>>> >>>> >>>> >>> >>> >> >> > > _______________________________________________ > freebsd-xen@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-xen > To unsubscribe, send any mail to "freebsd-xen-unsubscribe@freebsd.org" >
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