this is a fresh installation of W2012 after installation i got with xf= s_db -c frag -r=C2=A0 /dev/sdb1:=0D=0A >=0D=0A > aktuell 407974, ideal 35= , Unterteilungsfaktor 99,99%=0D=0A=0D=0AAnd the XFS formatted with defaul= t parameters=3F=0D=0A Y.=0D=0A=0D=0A>=0D=0A >=0D=0A > Thanks=0D=0A >=0D=0A= =0D=0A > Wolfgang=0D=0A >=0D=0A >=0D=0A >> -----Urspr=C3=BCngliche Nach= richt-----=0D=0A >> Von: Yaniv Kaul=C2=A0<ykaul@redhat.com <mailto:ykaul@= redhat.com> >=0D=0A >> Gesendet: Die 23 August 2016 17:56=0D=0A >> An: Wo= lfgang Bucher <wolfgang.bucher@netland-mn.de <mailto:wolfgang.bucher@netl= and-mn.de> >=0D=0A >> CC: Michal Skrivanek <michal.skrivanek@redhat.com <= mailto:michal.skrivanek@redhat.com> >; users@ovirt.org <mailto:users@ovir= t.org> (users@ovirt.org <mailto:users@ovirt.org> ) <users@ovirt.org <mail= to:users@ovirt.org> >=0D=0A >>=0D=0A >> Betreff: Re: [ovirt-users] Proble= m starting VMs=0D=0A >>=0D=0A >>=0D=0A >>=0D=0A >> On Tue, Aug 23, 2016 a= t 6:40 PM, Wolfgang Bucher <wolfgang.bucher@netland-mn.de <mailto:wolfgan= g.bucher@netland-mn.de> > wrote:=0D=0A >>>=0D=0A >>> Hello=0D=0A >>>=0D=0A=
=0D=0A >>> in var log messages i get following :=0D=0A >>>=0D=0A >>>=0D= =0A >>> kernel: XFS: possible memory allocation deadlock in kmem_alloc (m= ode:0x250)=0D=0A >>>=0D=0A >>>=0D=0A >>> I have this problem on 4 differe= nt hosts.=0D=0A >>>=0D=0A >>>=0D=0A >>> This happens during copying files= from network to a thin provisioned disk, no problems with preallocated d= isks.=0D=0A >>=0D=0A >>=0D=0A >> What kind of storage are you using=3F lo= cal storage=3F Even though, it makes little sense to me - the disk is a q= cow2 disk, which shouldn't be very fragmented as you might think (qcow2 g= rows in 64K chunks).=0D=0A >> It may grow and grow and grow (until you sp= arsify it), but that's not going to cause fragmentation. What causes it t= o be fragmented=3F Perhaps the internal qcow2 mapping is quite fragmented= =3F=0D=0A >> Y.=0D=0A >> =C2=A0=0D=0A >>>=0D=0A >>>=0D=0A >>> Thanks=0D=0A= =0D=0A >>> Wolfgang=0D=0A >>>=0D=0A >>>=0D=0A >>>> -----Urspr=C3=BCng=
> 1.=C2=A0 create a win2012 server=0D=0A >>>>>> >=0D=0A >>>>>> > =
4. shutdown the vm=0D=0A >>>>>> >=0D=0A >>>>>> > 5. reboot host and =
>=0D=0A >>>>>> >=0D=0A >>>>>> > It's because of a high fragmented= filessystem=20=0D=0A >>>>>>=0D=0A >>>>>> I see, thank you for the explan= ation. In such a case, it may take a lot=0D=0A >>>>>> of time before all =
This is a multi-part message in MIME format. Your mail reader does not understand MIME message format. --=_cRJLKrCI2dVwe8deykFpKIeO2A1Oe9tUyXvJLtasFx600mIN Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi,=0D=0A=0D=0A=0D=0A=0D=0Awith xfs=0D=0A=0D=0A=0D=0A=0D=0AWolfgang=0D=0A= =0D=0A=0D=0A=0D=0A-----Urspr=C3=BCngliche Nachricht-----=0D=0AVon: Yaniv = Kaul=C2=A0<ykaul@redhat.com>=0D=0AGesendet: Don 25 August 2016 13:01=0D=0A= An: Wolfgang Bucher <wolfgang.bucher@netland-mn.de>=0D=0ABetreff: Re: [ov= irt-users] Problem starting VMs=0D=0A=0D=0A=0D=0A=0D=0AOn Wed, Aug 24, 20= 16 at 7:37 PM, Wolfgang Bucher <wolfgang.bucher@netland-mn.de <mailto:wol= fgang.bucher@netland-mn.de> > wrote:=0D=0AHello=0D=0A=0D=0A=0D=0A=0D=0Aus= ing the kernel-lt from elrepo solves all problems!!=0D=0A=0D=0A=0D=0AWith= XFS, or EXT4=3F=0D=0A=C2=A0=0D=0AMaybe it is a problem with the current = kernel from centos =3F=3F=0D=0A=0D=0A=0D=0AIt's an XFS issue, I think it'= ll be fixed for 7.3.=0D=0AY.=0D=0A=C2=A0=0D=0A=0D=0A=0D=0AThanks=20=0D=0A= =0D=0A=0D=0A=0D=0AWolfgang=0D=0A=0D=0A=0D=0A=0D=0A-----Urspr=C3=BCngliche= Nachricht-----=0D=0AVon: Wolfgang Bucher=C2=A0<wolfgang.bucher@netland-m= n.de <mailto:wolfgang.bucher@netland-mn.de> >=0D=0AGesendet: Die 23 Augus= t 2016 20:14=0D=0AAn: Yaniv Kaul <ykaul@redhat.com <mailto:ykaul@redhat.c= om> >=0D=0ACC: users@ovirt.org <mailto:users@ovirt.org> (users@ovirt.org = <mailto:users@ovirt.org> ) <users@ovirt.org <mailto:users@ovirt.org> >=0D= =0ABetreff: Re: [ovirt-users] Problem starting VMs=0D=0A=0D=0AHello=0D=0A= =0D=0A=0D=0A=0D=0Ai just changed xfs to ext4 and defragmantion is much be= tter then before, i will also try kernel lts from elrepo and test it agai= n.=0D=0A=0D=0A=0D=0A=0D=0AThanks=0D=0A=0D=0A=0D=0A=0D=0AWolfgang=0D=0A=0D= =0A=0D=0A=0D=0A-----Urspr=C3=BCngliche Nachricht-----=0D=0AVon: Yaniv Kau= l=C2=A0<ykaul@redhat.com <mailto:ykaul@redhat.com> >=0D=0AGesendet: Die 2= 3 August 2016 19:46=0D=0AAn: Wolfgang Bucher <wolfgang.bucher@netland-mn.= de <mailto:wolfgang.bucher@netland-mn.de> >=0D=0ACC: Charles Gruener <cgr= uener@gruener.us <mailto:cgruener@gruener.us> >=0D=0ABetreff: Re: AW: [ov= irt-users] Problem starting VMs=0D=0A=0D=0A=0D=0AOn Aug 23, 2016 7:33 PM,= "Wolfgang Bucher" <wolfgang.bucher@netland-mn.de <mailto:wolfgang.bucher= @netland-mn.de> > wrote:=0D=0A >=0D=0A > Hello=0D=0A >=0D=0A >=0D=0A > I = am using local storage with adaptec raid controller, disk format is raw=0D= =0A=0D=0ARaw is always raw-sparse, so that may explain this somehow, yet = still odd that Windows installation would cause so much fragmentation.=0D= =0A I wonder if using the discard hook (and IDE or virtio-scsi) would hel= p - or perhaps using a qcow2 makes more sense (create a snapshot right af= ter disk creation for example).=0D=0A=0D=0A>=0D=0A >=0D=0A > image: e4d79= 7d1-5719-48d0-891e-a36cd4a79c33=0D=0A > file format: raw=0D=0A > virtual = size: 50G (53687091200 bytes)=0D=0A > disk size: 8.5G=0D=0A >=0D=0A >=0D=0A= liche Nachricht-----=0D=0A >>>> Von: Michal Skrivanek=C2=A0<michal.skriva= nek@redhat.com <mailto:michal.skrivanek@redhat.com> >=0D=0A >>>> Gesendet= : Die 23 August 2016 17:11=0D=0A >>>> An: Wolfgang Bucher <wolfgang.buche= r@netland-mn.de <mailto:wolfgang.bucher@netland-mn.de> >=0D=0A >>>> CC: M= ilan Zamazal <mzamazal@redhat.com <mailto:mzamazal@redhat.com> >; users@o= virt.org <mailto:users@ovirt.org> (users@ovirt.org <mailto:users@ovirt.or= g> ) <users@ovirt.org <mailto:users@ovirt.org> >=0D=0A >>>> Betreff: Re: = [ovirt-users] Problem starting VMs=0D=0A >>>>=0D=0A >>>>=0D=0A >>>>> On 2= 3 Aug 2016, at 11:06, Wolfgang Bucher <wolfgang.bucher@netland-mn.de <mai= lto:wolfgang.bucher@netland-mn.de> > wrote:=0D=0A >>>>>=0D=0A >>>>> Thank= 's=0D=0A >>>>>=0D=0A >>>>> but what do you mean with "initialization is f= inished=E2=80=9D=0D=0A >>>>=0D=0A >>>>=0D=0A >>>> until it gets from Wait= ForLaunch to PoweringUp state, effectively until the qemu process properl= y starts up=0D=0A >>>>=0D=0A >>>>>=0D=0A >>>>> sometimes the vm crashes w= hile copying files!=0D=0A >>>>=0D=0A >>>>=0D=0A >>>> when exactly=3F Can = you describe exactly what you are doing and what is reported as a reason = for crash. When exactly does it crash and how=3F=0D=0A >>>>=0D=0A >>>> Th= anks,=0D=0A >>>> michal=0D=0A >>>>=0D=0A >>>>>=0D=0A >>>>>=0D=0A >>>>>=0D= =0A >>>>> Wolfgang=0D=0A >>>>>=0D=0A >>>>>=0D=0A >>>>>> -----Urspr=C3=BCn= gliche Nachricht-----=0D=0A >>>>>> Von: Milan Zamazal=C2=A0<mzamazal@redh= at.com <mailto:mzamazal@redhat.com> >=0D=0A >>>>>> Gesendet: Die 23 Augus= t 2016 16:59=0D=0A >>>>>> An: Wolfgang Bucher <wolfgang.bucher@netland-mn= =2Ede <mailto:wolfgang.bucher@netland-mn.de> >=0D=0A >>>>>> CC: users@ovi= rt.org <mailto:users@ovirt.org> (users@ovirt.org <mailto:users@ovirt.org>= ) <users@ovirt.org <mailto:users@ovirt.org> >=0D=0A >>>>>> Betreff: Re: = AW: Problem starting VMs=0D=0A >>>>>>=0D=0A >>>>>> Wolfgang Bucher <wolfg= ang.bucher@netland-mn.de <mailto:wolfgang.bucher@netland-mn.de> > writes:= =0D=0A >>>>>>=0D=0A >>>>>> > the problem is "waiting for launch" takes up= to 20 min.=0D=0A >>>>>> >=0D=0A >>>>>> >=0D=0A >>>>>> > I did a lot of t= ests with some vm's and th problem is:=0D=0A >>>>>> >=0D=0A >>>>>> >=0D=0A= 2. attache a new disk (thin provision)=0D=0A >>>>>> >=0D=0A >>>>>> > 3. f= ill the disk from network share with about 100G=0D=0A >>>>>> >=0D=0A >>>>= try starting the vm (takes a lot of time until launch)=0D=0A >>>>>> >=0D=0A= the initialization is finished.=0D=0A >>>>>>=0D=0A >>>>>> Regards,=0D=0A =
Milan=0D=0A >>>>>=0D=0A >>>>> ____________________________________= ___________=0D=0A >>>>> Users mailing list=0D=0A >>>>> Users@ovirt.org <m= ailto:Users@ovirt.org>=20=0D=0A >>>>> http://lists.ovirt.org/mailman/list= info/users <http://lists.ovirt.org/mailman/listinfo/users>=20=0D=0A >>>>=0D= =0A >>>>=0D=0A >>>=0D=0A >>> ____________________________________________= ___=0D=0A >>> Users mailing list=0D=0A >>> Users@ovirt.org <mailto:Users@= ovirt.org>=20=0D=0A >>> http://lists.ovirt.org/mailman/listinfo/users <ht= tp://lists.ovirt.org/mailman/listinfo/users>=20=0D=0A >>>=0D=0A >>=0D=0A=0D= =0A=0D=0A_______________________________________________=0D=0A=0AUsers ma= iling list=0D=0A=0AUsers@ovirt.org <mailto:Users@ovirt.org>=20=0D=0A=0Aht= tp://lists.ovirt.org/mailman/listinfo/users <http://lists.ovirt.org/mailm= an/listinfo/users>=20=0D=0A=0A=0D=0A=0D=0A=0D=0A_________________________= ______________________=0D=0A Users mailing list=0D=0A Users@ovirt.org <ma= ilto:Users@ovirt.org>=20=0D=0A http://lists.ovirt.org/mailman/listinfo/us= ers <http://lists.ovirt.org/mailman/listinfo/users>=20=0D=0A=20=0D=0A=0D=0A=
<span style=3D"font-family: tahoma,arial,helvetica,sans-serif; font-size= : 10pt;">-----Ursprüngliche Nachricht-----<br /><span><strong>Von:</= strong> Wolfgang Bucher <<a href=3D"mailto:wolfgang.bucher@netlan= d-mn.de" target=3D"_blank" title=3D"Der externe Link wird in einem neuen = Fenster geöffnet">wolfgang.bucher@<wbr />netland-mn.de</a>></span= <br /><span><strong>Gesendet:</strong> Die 23 August 2016 20:14</span><b= r /><span><strong>An:</strong> Yaniv Kaul <<a href=3D"mailto:ykaul@red= hat.com" target=3D"_blank" title=3D"Der externe Link wird in einem neuen = Fenster geöffnet">ykaul@redhat.com</a>></span><br /><span><strong= CC:</strong> <a href=3D"mailto:users@ovirt.org" target=3D"_blank" title=3D= "Der externe Link wird in einem neuen Fenster geöffnet">users@ovirt.= org</a> (<a href=3D"mailto:users@ovirt.org" target=3D"_blank" title=3D"De= r externe Link wird in einem neuen Fenster geöffnet">users@ovirt.org= </a>) <<a href=3D"mailto:users@ovirt.org" target=3D"_blank" title=3D"D= er externe Link wird in einem neuen Fenster geöffnet">users@ovirt.or= g</a>></span><br /><span><strong>Betreff:</strong> Re: [ovirt-users] P= roblem starting VMs</span><br /><br /></span>=0A<div>=0A<div class=3D"h5"= =0A<div>=0A<p style=3D"padding: 0; margin: 0;"><span style=3D"font-size:= 12pt; font-family: tahoma,arial,helvetica,sans-serif;">Hello<br /></span= </p>=0A<p style=3D"padding: 0; margin: 0;"><span style=3D"font-size: 12p= t; font-family: tahoma,arial,helvetica,sans-serif;"><br /></span></p>=0A<=
<span style=3D"font-size: 12pt; font-family: tahoma,arial,helvetica,sans= -serif;">Thanks<br /></span></p>=0A<p style=3D"padding: 0; margin: 0;"><s=
><br /> > Hello<br /> ><br /> ><br /> > I am using local= storage with adaptec raid controller, disk format is raw</p>=0A<p>Raw is= always raw-sparse, so that may explain this somehow, yet still odd that = Windows installation would cause so much fragmentation.<br /> I wonder if= using the discard hook (and IDE or virtio-scsi) would help - or perhaps = using a qcow2 makes more sense (create a snapshot right after disk creati= on for example).</p>=0A<p>><br /> ><br /> > image: e4d797d1-5719= -48d0-891e-<wbr />a36cd4a79c33<br /> > file format: raw<br /> > vir= tual size: 50G (53687091200 bytes)<br /> > disk size: 8.5G<br /> ><= br /> ><br /> > this is a fresh installation of W2012 after install= ation i got with xfs_db -c frag -r /dev/sdb1:<br /> ><br /> >= aktuell 407974, ideal 35, Unterteilungsfaktor 99,99%</p>=0A<p>And the XF= S formatted with default parameters=3F<br /> Y.</p>=0A<p>><br /> ><= br /> > Thanks<br /> ><br /> ><br /> > Wolfgang<br /> ><br= /> ><br /> >> -----Ursprüngliche Nachricht-----<br /> >= > Von: Yaniv Kaul <<a href=3D"mailto:ykaul@redhat.com" target=3D= "_blank" title=3D"Der externe Link wird in einem neuen Fenster geöff= net">ykaul@redhat.com</a>><br /> >> Gesendet: Die 23 August 2016= 17:56<br /> >> An: Wolfgang Bucher <<a href=3D"mailto:wolfgang.= bucher@netland-mn.de" target=3D"_blank" title=3D"Der externe Link wird in= einem neuen Fenster geöffnet">wolfgang.bucher@netland-mn.de</a><wbr= />><br /> >> CC: Michal Skrivanek <<a href=3D"mailto:michal.= skrivanek@redhat.com" target=3D"_blank" title=3D"Der externe Link wird in= einem neuen Fenster geöffnet">michal.skrivanek@redhat.com</a>>; = <a href=3D"mailto:users@ovirt.org" target=3D"_blank" title=3D"Der externe= Link wird in einem neuen Fenster geöffnet">users@ovirt.org</a> (<a =
) <<a href=3D"mailto:users@ovirt.org" target=3D"_blank" title=3D"Der = externe Link wird in einem neuen Fenster geöffnet">users@ovirt.org</= a>><br /> >>>> Betreff: Re: [ovirt-users] Problem starting= VMs<br /> >>>><br /> >>>><br /> >>>>= > On 23 Aug 2016, at 11:06, Wolfgang Bucher <<a href=3D"mailto:wolf= gang.bucher@netland-mn.de" target=3D"_blank" title=3D"Der externe Link wi= rd in einem neuen Fenster geöffnet">wolfgang.bucher@netland-mn.de</a= <wbr />> wrote:<br /> >>>>><br /> >>>>>= Thank's<br /> >>>>><br /> >>>>> but what d= o you mean with "initialization is finished”<br /> >>>>= <br /> >>>><br /> >>>> until it gets from WaitFor= Launch to PoweringUp state, effectively until the qemu process properly s= tarts up<br /> >>>><br /> >>>>><br /> >>= >>> sometimes the vm crashes while copying files!<br /> >>= >><br /> >>>><br /> >>>> when exactly=3F Ca= n you describe exactly what you are doing and what is reported as a reaso= n for crash. When exactly does it crash and how=3F<br /> >>>>= <br /> >>>> Thanks,<br /> >>>> michal<br /> >&= gt;>><br /> >>>>><br /> >>>>><br /> &= gt;>>>><br /> >>>>> Wolfgang<br /> >>>= ;>><br /> >>>>><br /> >>>>>> -----= Ursprüngliche Nachricht-----<br /> >>>>>> Von: Mil= an Zamazal <<a href=3D"mailto:mzamazal@redhat.com" target=3D"_bla= nk" title=3D"Der externe Link wird in einem neuen Fenster geöffnet">= mzamazal@redhat.com</a>><br /> >>>>>> Gesendet: Die = 23 August 2016 16:59<br /> >>>>>> An: Wolfgang Bucher &= lt;<a href=3D"mailto:wolfgang.bucher@netland-mn.de" target=3D"_blank" tit= le=3D"Der externe Link wird in einem neuen Fenster geöffnet">wolfgan= g.bucher@netland-mn.de</a><wbr />><br /> >>>>>> CC: = <a href=3D"mailto:users@ovirt.org" target=3D"_blank" title=3D"Der externe= Link wird in einem neuen Fenster geöffnet">users@ovirt.org</a> (<a =
--=_cRJLKrCI2dVwe8deykFpKIeO2A1Oe9tUyXvJLtasFx600mIN Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://ww= w.w3.org/TR/html4/loose.dtd"><html>=0A<head>=0A <meta name=3D"Generator"= content=3D"Zarafa WebApp v7.2.4-28">=0A <meta http-equiv=3D"Content-Typ= e" content=3D"text/html; charset=3Dutf-8">=0A <title>AW: [ovirt-users] P= roblem starting VMs</title>=0A</head>=0A<body>=0A<p style=3D"padding: 0; = margin: 0;"><span style=3D"font-size: 12pt; font-family: tahoma,arial,hel= vetica,sans-serif;">Hi,<br /></span></p>=0A<p style=3D"padding: 0; margin= : 0;"><span style=3D"font-size: 12pt; font-family: tahoma,arial,helvetica= ,sans-serif;"><br /></span></p>=0A<p style=3D"padding: 0; margin: 0;"><sp= an style=3D"font-size: 12pt; font-family: tahoma,arial,helvetica,sans-ser= if;">with xfs<br /></span></p>=0A<p style=3D"padding: 0; margin: 0;"><spa= n style=3D"font-size: 12pt; font-family: tahoma,arial,helvetica,sans-seri= f;"><br /></span></p>=0A<p style=3D"padding: 0; margin: 0;"><span style=3D= "font-size: 12pt; font-family: tahoma,arial,helvetica,sans-serif;">Wolfga= ng<br /></span></p>=0A<p style=3D"padding: 0; margin: 0;"><span style=3D"= font-size: 12pt; font-family: tahoma,arial,helvetica,sans-serif;"><br /><= /span></p>=0A<blockquote style=3D"border-left: 2px solid #325FBA; padding= -left: 5px; margin: 0px 5px;"><span style=3D"font-family: tahoma,arial,he= lvetica,sans-serif; font-size: 10pt;">-----Ursprüngliche Nachricht--= ---<br /><span><strong>Von:</strong> Yaniv Kaul <ykaul@redhat.com= ></span><br /><span><strong>Gesendet:</strong> Don 25 August 2016 13:0= 1</span><br /><span><strong>An:</strong> Wolfgang Bucher <wolfgang.buc= her@netland-mn.de></span><br /><span><strong>Betreff:</strong> Re: [ov= irt-users] Problem starting VMs</span><br /><br /></span><!-- begin sanit= ized html -->=0A<div dir=3D"ltr"><br />=0A<div class=3D"gmail_extra"><br = />=0A<div class=3D"gmail_quote">On Wed, Aug 24, 2016 at 7:37 PM, Wolfgang= Bucher <span><<a href=3D"mailto:wolfgang.bucher@netland-mn.de" target= =3D"_blank" title=3D"Der externe Link wird in einem neuen Fenster geö= ;ffnet">wolfgang.bucher@netland-mn.de</a>></span> wrote:<br />=0A<bloc= kquote class=3D"gmail_quote" style=3D"margin: 0 0 0 .8ex; border-left: 1p= x #ccc solid; padding-left: 1ex;"><u></u>=0A<div>=0A<p style=3D"padding: = 0; margin: 0;"><span style=3D"font-size: 12pt; font-family: tahoma,arial,= helvetica,sans-serif;">Hello<br /></span></p>=0A<p style=3D"padding: 0; m= argin: 0;"><span style=3D"font-size: 12pt; font-family: tahoma,arial,helv= etica,sans-serif;"><br /></span></p>=0A<p style=3D"padding: 0; margin: 0;= "><span style=3D"font-size: 12pt; font-family: tahoma,arial,helvetica,san= s-serif;">using the kernel-lt from elrepo solves all problems!!<br /></sp= an></p>=0A</div>=0A</blockquote>=0A<div><br /></div>=0A<div>With XFS, or = EXT4=3F</div>=0A<div> </div>=0A<blockquote class=3D"gmail_quote" sty= le=3D"margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;= ">=0A<div>=0A<p style=3D"padding: 0; margin: 0;"><span style=3D"font-size= : 12pt; font-family: tahoma,arial,helvetica,sans-serif;"></span></p>=0A<p= style=3D"padding: 0; margin: 0;"><span style=3D"font-size: 12pt; font-fa= mily: tahoma,arial,helvetica,sans-serif;">Maybe it is a problem with the = current kernel from centos =3F=3F<br /></span></p>=0A</div>=0A</blockquot= e>=0A<div><br /></div>=0A<div>It's an XFS issue, I think it'll be fixed f= or 7.3.</div>=0A<div>Y.</div>=0A<div> </div>=0A<blockquote class=3D"= gmail_quote" style=3D"margin: 0 0 0 .8ex; border-left: 1px #ccc solid; pa= dding-left: 1ex;">=0A<div>=0A<p style=3D"padding: 0; margin: 0;"><span st= yle=3D"font-size: 12pt; font-family: tahoma,arial,helvetica,sans-serif;">= </span></p>=0A<p style=3D"padding: 0; margin: 0;"><span style=3D"font-siz= e: 12pt; font-family: tahoma,arial,helvetica,sans-serif;"><br /></span></= p>=0A<p style=3D"padding: 0; margin: 0;"><span style=3D"font-size: 12pt; = font-family: tahoma,arial,helvetica,sans-serif;">Thanks <br /></span></p>= =0A<p style=3D"padding: 0; margin: 0;"><span style=3D"font-size: 12pt; fo= nt-family: tahoma,arial,helvetica,sans-serif;"><br /></span></p>=0A<p sty= le=3D"padding: 0; margin: 0;"><span style=3D"font-size: 12pt; font-family= : tahoma,arial,helvetica,sans-serif;">Wolfgang<br /></span></p>=0A<p styl= e=3D"padding: 0; margin: 0;"><span style=3D"font-size: 12pt; font-family:= tahoma,arial,helvetica,sans-serif;"><br /></span></p>=0A<blockquote styl= e=3D"border-left: 2px solid #325fba; padding-left: 5px; margin: 0px 5px;"= p style=3D"padding: 0; margin: 0;"><span style=3D"font-size: 12pt; font-f= amily: tahoma,arial,helvetica,sans-serif;">i just changed xfs to ext4 and= defragmantion is much better then before, i will also try kernel lts fro= m elrepo and test it again.<br /></span></p>=0A<p style=3D"padding: 0; ma= rgin: 0;"><span style=3D"font-size: 12pt; font-family: tahoma,arial,helve= tica,sans-serif;"><br /></span></p>=0A<p style=3D"padding: 0; margin: 0;"= pan style=3D"font-size: 12pt; font-family: tahoma,arial,helvetica,sans-se= rif;"><br /></span></p>=0A<p style=3D"padding: 0; margin: 0;"><span style= =3D"font-size: 12pt; font-family: tahoma,arial,helvetica,sans-serif;">Wol= fgang<br /></span></p>=0A<p style=3D"padding: 0; margin: 0;"><span style=3D= "font-size: 12pt; font-family: tahoma,arial,helvetica,sans-serif;"><br />= </span></p>=0A<blockquote style=3D"border-left: 2px solid #325fba; paddin= g-left: 5px; margin: 0px 5px;"><span style=3D"font-family: tahoma,arial,h= elvetica,sans-serif; font-size: 10pt;">-----Ursprüngliche Nachricht-= ----<br /><span><strong>Von:</strong> Yaniv Kaul <<a href=3D"mail= to:ykaul@redhat.com" target=3D"_blank" title=3D"Der externe Link wird in = einem neuen Fenster geöffnet">ykaul@redhat.com</a>></span><br /><= span><strong>Gesendet:</strong> Die 23 August 2016 19:46</span><br /><spa= n><strong>An:</strong> Wolfgang Bucher <<a href=3D"mailto:wolfgang.buc= her@netland-mn.de" target=3D"_blank" title=3D"Der externe Link wird in ei= nem neuen Fenster geöffnet">wolfgang.bucher@netland-mn.de</a><wbr />= ></span><br /><span><strong>CC:</strong> Charles Gruener <<a href=3D= "mailto:cgruener@gruener.us" target=3D"_blank" title=3D"Der externe Link = wird in einem neuen Fenster geöffnet">cgruener@gruener.us</a>></s= pan><br /><span><strong>Betreff:</strong> Re: AW: [ovirt-users] Problem s= tarting VMs</span><br /><br /></span>=0A<p></p>=0A<p>On Aug 23, 2016 7:33= PM, "Wolfgang Bucher" <<a href=3D"mailto:wolfgang.bucher@netland-mn.d= e" target=3D"_blank" title=3D"Der externe Link wird in einem neuen Fenste= r geöffnet">wolfgang.bucher@netland-mn.de</a><wbr />> wrote:<br /= href=3D"mailto:users@ovirt.org" target=3D"_blank" title=3D"Der externe Li= nk wird in einem neuen Fenster geöffnet">users@ovirt.org</a>) <<a= href=3D"mailto:users@ovirt.org" target=3D"_blank" title=3D"Der externe L= ink wird in einem neuen Fenster geöffnet">users@ovirt.org</a>><br= /> >><br /> >> Betreff: Re: [ovirt-users] Problem starting V= Ms<br /> >><br /> >><br /> >><br /> >> On Tue, Au= g 23, 2016 at 6:40 PM, Wolfgang Bucher <<a href=3D"mailto:wolfgang.buc= her@netland-mn.de" target=3D"_blank" title=3D"Der externe Link wird in ei= nem neuen Fenster geöffnet">wolfgang.bucher@netland-mn.de</a><wbr />= > wrote:<br /> >>><br /> >>> Hello<br /> >>>= ;<br /> >>><br /> >>> in var log messages i get followi= ng :<br /> >>><br /> >>><br /> >>> kernel: XFS= : possible memory allocation deadlock in kmem_alloc (mode:0x250)<br /> &g= t;>><br /> >>><br /> >>> I have this problem on 4= different hosts.<br /> >>><br /> >>><br /> >>>= ; This happens during copying files from network to a thin provisioned di= sk, no problems with preallocated disks.<br /> >><br /> >><br= /> >> What kind of storage are you using=3F local storage=3F Even = though, it makes little sense to me - the disk is a qcow2 disk, which sho= uldn't be very fragmented as you might think (qcow2 grows in 64K chunks).= <br /> >> It may grow and grow and grow (until you sparsify it), bu= t that's not going to cause fragmentation. What causes it to be fragmente= d=3F Perhaps the internal qcow2 mapping is quite fragmented=3F<br /> >= > Y.<br /> >> <br /> >>><br /> >>><br />= >>> Thanks<br /> >>><br /> >>> Wolfgang<br />= >>><br /> >>><br /> >>>> -----Ursprün= gliche Nachricht-----<br /> >>>> Von: Michal Skrivanek &= lt;<a href=3D"mailto:michal.skrivanek@redhat.com" target=3D"_blank" title= =3D"Der externe Link wird in einem neuen Fenster geöffnet">michal.sk= rivanek@<wbr />redhat.com</a>><br /> >>>> Gesendet: Die 23= August 2016 17:11<br /> >>>> An: Wolfgang Bucher <<a href= =3D"mailto:wolfgang.bucher@netland-mn.de" target=3D"_blank" title=3D"Der = externe Link wird in einem neuen Fenster geöffnet">wolfgang.bucher@n= etland-mn.de</a><wbr />><br /> >>>> CC: Milan Zamazal <= <a href=3D"mailto:mzamazal@redhat.com" target=3D"_blank" title=3D"Der ext= erne Link wird in einem neuen Fenster geöffnet">mzamazal@redhat.com<= /a>>; <a href=3D"mailto:users@ovirt.org" target=3D"_blank" title=3D"De= r externe Link wird in einem neuen Fenster geöffnet">users@ovirt.org= </a> (<a href=3D"mailto:users@ovirt.org" target=3D"_blank" title=3D"Der e= xterne Link wird in einem neuen Fenster geöffnet">users@ovirt.org</a= href=3D"mailto:users@ovirt.org" target=3D"_blank" title=3D"Der externe Li= nk wird in einem neuen Fenster geöffnet">users@ovirt.org</a>) <<a= href=3D"mailto:users@ovirt.org" target=3D"_blank" title=3D"Der externe L= ink wird in einem neuen Fenster geöffnet">users@ovirt.org</a>><br= /> >>>>>> Betreff: Re: AW: Problem starting VMs<br /> = >>>>>><br /> >>>>>> Wolfgang Bucher &= lt;<a href=3D"mailto:wolfgang.bucher@netland-mn.de" target=3D"_blank" tit= le=3D"Der externe Link wird in einem neuen Fenster geöffnet">wolfgan= g.bucher@netland-mn.de</a><wbr />> writes:<br /> >>>>>&= gt;<br /> >>>>>> > the problem is "waiting for launc= h" takes up to 20 min.<br /> >>>>>> ><br /> >>= >>>> ><br /> >>>>>> > I did a lot of = tests with some vm's and th problem is:<br /> >>>>>> &g= t;<br /> >>>>>> ><br /> >>>>>> >= ; 1. create a win2012 server<br /> >>>>>> ><br= /> >>>>>> > 2. attache a new disk (thin provision)<= br /> >>>>>> ><br /> >>>>>> > 3= =2E fill the disk from network share with about 100G<br /> >>>&g= t;>> ><br /> >>>>>> > 4. shutdown the vm<br= /> >>>>>> ><br /> >>>>>> > 5. = reboot host and try starting the vm (takes a lot of time until launch)<br= /> >>>>>> ><br /> >>>>>> ><br = /> >>>>>> ><br /> >>>>>> > It's= because of a high fragmented filessystem <br /> >>>>>>= <br /> >>>>>> I see, thank you for the explanation. In = such a case, it may take a lot<br /> >>>>>> of time bef= ore all the initialization is finished.<br /> >>>>>><br= /> >>>>>> Regards,<br /> >>>>>> Mila= n<br /> >>>>><br /> >>>>> _________________= _____________<wbr />_________________<br /> >>>>> Users ma= iling list<br /> >>>>> <a href=3D"mailto:Users@ovirt.org" = target=3D"_blank" title=3D"Der externe Link wird in einem neuen Fenster g= eöffnet">Users@ovirt.org</a><br /> >>>>> <a href=3D"h= ttp://lists.ovirt.org/mailman/listinfo/users" target=3D"_blank" title=3D"= Der externe Link wird in einem neuen Fenster geöffnet">http://lists.= ovirt.org/<wbr />mailman/listinfo/users</a><br /> >>>><br /> = >>>><br /> >>><br /> >>> __________________= ____________<wbr />_________________<br /> >>> Users mailing lis= t<br /> >>> <a href=3D"mailto:Users@ovirt.org" target=3D"_blank"= title=3D"Der externe Link wird in einem neuen Fenster geöffnet">Use= rs@ovirt.org</a><br /> >>> <a href=3D"http://lists.ovirt.org/mai= lman/listinfo/users" target=3D"_blank" title=3D"Der externe Link wird in = einem neuen Fenster geöffnet">http://lists.ovirt.org/<wbr />mailman/= listinfo/users</a><br /> >>><br /> >></p>=0A</blockquote>=0A= </div>=0A<pre>______________________________<wbr />_________________<br /=
=0AUsers mailing list<br />=0A<a href=3D"mailto:Users@ovirt.org" target=3D= "_blank" title=3D"Der externe Link wird in einem neuen Fenster geöff= net">Users@ovirt.org</a><br />=0A<a href=3D"http://lists.ovirt.org/mailma= n/listinfo/users" target=3D"_blank" title=3D"Der externe Link wird in ein= em neuen Fenster geöffnet">http://lists.ovirt.org/<wbr />mailman/lis= tinfo/users</a><br />=0A</pre>=0A</div>=0A</div>=0A</blockquote>=0A</div>= =0A<br />______________________________<wbr />_________________<br /> Use= rs mailing list<br /> <a href=3D"mailto:Users@ovirt.org" target=3D"_blank= " title=3D"Der externe Link wird in einem neuen Fenster geöffnet">Us= ers@ovirt.org</a><br /> <a href=3D"http://lists.ovirt.org/mailman/listinf= o/users" target=3D"_blank" title=3D"Der externe Link wird in einem neuen = Fenster geöffnet">http://lists.ovirt.org/<wbr />mailman/listinfo/use= rs</a><br /> <br /></blockquote>=0A</div>=0A<br /></div>=0A</div>=0A<!-- = end sanitized html --></blockquote>=0A</body>=0A</html> --=_cRJLKrCI2dVwe8deykFpKIeO2A1Oe9tUyXvJLtasFx600mIN--
participants (1)
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Wolfgang Bucher