On 4/19/07, xen-users-request@lists.xensource.com
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> Today''s Topics:
>
> 1. Re: Managing DomU partitions in XEN+LVM systems? (Jordi Segues)
> 2. RE: WIN NT / WIN98 HVM (Petersson, Mats)
> 3. Re: SMP support in Windows domU (Daniel Bareiro)
> 4. RE: SMP support in Windows domU (Petersson, Mats)
> 5. Dom0 Firewall using IPtables (Ian Tobin)
> 6. Re: ioemu (Mark Williamson)
> 7. Re: SMP support in Windows domU (Daniel Bareiro)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 19 Apr 2007 15:06:42 +0200
> From: "Jordi Segues" <jordisd.mailing@gmail.com>
> Subject: Re: [Xen-users] Managing DomU partitions in XEN+LVM systems?
> To: Derek <xen@sherlockmail.com>
> Cc: xen ml <xen-users@lists.xensource.com>
> Message-ID:
> <30aa58b10704190606p76dbded9uea69316d61b70f16@mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Hello,
>
> I have a similar problem:
>
> I have a Windows 2003 domU in an LVM partition.
> I want to enlarge this partition in order to have more space for windows
> 2003.
>
> So in your post you say:
>
> > That would seem trivial to do, from within dom0 (while the domU is not
> > running of course.) Just use:
> > - lvextend to enlarge the volume
> > - fdisk (or parted) to enlarge the partition
> > - ntfsresize to enlarge the filesystem
>
> but for me the problem is that fdisk can''t enlarge a partition! It
> says you must delete it and then recreate it, but if I do this I lose
> all my 2003 system.
>
> How can I enlarge my 2003 partition (and update the MBR for windows to
> recognize it)?
>
> ntfsresize tells me:
>
> Current volume size: 10470748672 bytes (10471 MB)
> Current device size: 10470749184 bytes (10471 MB)
> New volume size : 10470744576 bytes (10471 MB)
> Nothing to do: NTFS volume size is already OK.
>
> So my LVM partition have been enlarged, but ntfsresize don''t see
it.
> You solved it with fdisk? and how?
>
> Windows 2003 is in one big partition, so it will need to boot after
> the resize :)
>
> Thanks for your help!
>
> Jordi.S
>
> On 1/31/07, Derek <xen@sherlockmail.com> wrote:
> > Hi all,
> >
> > This is more an LVM question than a XEN one. But hopefully not too
far
> off
> > topic for the Xen list...
> >
> > I am running an HVM domU partitions (WinXP). I assigned a root drive
that
> > is an LVM logical volume as seen by the Dom0, in other words:
> >
> > disk = [
''phy:/dev/mapper/main-root_disk_winxp,hda,w'' ,
> > ... others ... ]
> >
> > WinXP''s installer sees the logical volume as a whole disk,
and promptly
> > partitions it. So, it ends up with a partition table and one large
NTFS
> > filesystem partition.
> >
> > Now later, I decided to enlarge the logical volume, it''s
associated
> > partition, and it''s associated NTFS filesystem.
> >
> > That would seem trivial to do, from within dom0 (while the domU is not
> > running of course.) Just use:
> > - lvextend to enlarge the volume
> > - fdisk (or parted) to enlarge the partition
> > - ntfsresize to enlarge the filesystem
> >
> > The first two steps work flawlessly. The third step is problematic,
> because
> > ntfsresize wants to be told the device path to the _partition_, not to
the
> > _whole_disk_. Well, /dev/mapper/main-root_disk_winxp is
> > the whole disk, but there''s no corresponding
> > /dev/mapper/main-root_disk_winxp1 for the paritition on
> > it. LVM+UDEV+DM don''t give you one.
> >
> > I''m not stuck, I have a workaround yet to try: linux in a
domU, and run
> > fdisk+ntfsresize there. The linux DomU will presumably contain a
device
> > nodes for the partition, and I can run ntfsresize within it. But
I''m
> asking
> > this because I''m sure there''s a more elegant
solution, and someone on
> this
> > list probably knows it. Surely there''s a way to persuade
LVM+UDEV+DM to
> > produce device nodes for each partition within each logical volume?
(I
> know
> > roughly how to write UDEV rules, but this problem goes beyond that,
and I
> > definitely don''t understand the device mapper).
> >
> > Thanks,
> > Derek.
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@lists.xensource.com
> > http://lists.xensource.com/xen-users
> >
>
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 19 Apr 2007 15:54:48 +0200
> From: "Petersson, Mats" <Mats.Petersson@amd.com>
> Subject: RE: [Xen-users] WIN NT / WIN98 HVM
> To: maybee@gmx.de, xen-users@lists.xensource.com
> Message-ID:
> <907625E08839C4409CE5768403633E0B018E1C26@sefsexmb1.amd.com>
> Content-Type: text/plain; charset=iso-8859-1
>
> Just to connect up this thread again.
>
> I tried Windows NT4.0 SP1 on my Xen-unstable (latest version as of today,
> changeset 14875. It doesn''t work with Cirrus graphics (appears,
from my
> checking so far, that it''s infinitely waiting for something to
come back
> from the Cirrus graphics processor). However, with "stdvga=1" in
the config
> file, it installs OK. It''s a bit slow because of the standard vga
adapter
> (standard VGA doesn''t use a linear frame-buffer like the Cirrus
does, nor
> does it support the more advanced graphics functions that Cirrus does), but
> it''s working as such.
>
> I haven''t tried Win98SE yet - I have a disk + serial number
sitting around,
> but I may not do that today.
>
> This is on an AMD-based system.
>
> --
> Mats
>
>
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Thu, 19 Apr 2007 10:57:55 -0300
> From: Daniel Bareiro <daniel-listas@gmx.net>
> Subject: Re: [Xen-users] SMP support in Windows domU
> To: xen-users@lists.xensource.com
> Message-ID: <20070419135755.GA6588@hermes.freesoftware.org>
> Content-Type: text/plain; charset="us-ascii"
>
> On Thursday, 19 April 2007 11:30:33 +0200,
> Petersson, Mats wrote:
>
> > > I''m trying to create a Windows domU setting vcpu=2 and
cpus= "0,2",
> > > but xm vcpu-list show the second vcpu in paused state all the
time.
> > > Is it necessary to use any additional parameter?
>
> > That should work if you have a modern enough Xen-version. Most likely,
> > you''re using 3.0.3, which doesn''t support SMP guests
very well (it can
> > be done, but it requires a bunch of hand-patching hvmloader and such,
> > as it''s not dynamically building the ACPI tables).
>
> Yes. I''m using Xen 3.0.3 from Debian stable repositories. Should I
> install 3.0.4? I''m using 3.0.2 in a productive environment with
> GNU/Linux SMP guests and these works fine, but this guests works in
> paravirtualized mode. Maybe the problem with SMP support is on full
> virtualization mode.
>
> Thanks for speedy reply.
>
> Regards,
> Daniel
> --
> Daniel Bareiro - System Administrator
> Fingerprint: BFB3 08D6 B4D1 31B2 72B9 29CE 6696 BF1B 14E6 1D37
> Powered by Debian GNU/Linux Etch - Linux user #188.598
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> ------------------------------
>
> Message: 4
> Date: Thu, 19 Apr 2007 16:01:56 +0200
> From: "Petersson, Mats" <Mats.Petersson@amd.com>
> Subject: RE: [Xen-users] SMP support in Windows domU
> To: dbareiro@gmx.net, xen-users@lists.xensource.com
> Message-ID:
> <907625E08839C4409CE5768403633E0B018E1C27@sefsexmb1.amd.com>
> Content-Type: text/plain; charset=us-ascii
>
>
>
> > -----Original Message-----
> > From: xen-users-bounces@lists.xensource.com
> > [mailto:xen-users-bounces@lists.xensource.com] On Behalf Of
> > Daniel Bareiro
> > Sent: 19 April 2007 14:58
> > To: xen-users@lists.xensource.com
> > Subject: Re: [Xen-users] SMP support in Windows domU
> >
> > On Thursday, 19 April 2007 11:30:33 +0200,
> > Petersson, Mats wrote:
> >
> > > > I''m trying to create a Windows domU setting vcpu=2
and
> > cpus= "0,2",
> > > > but xm vcpu-list show the second vcpu in paused state all
> > the time.
> > > > Is it necessary to use any additional parameter?
> >
> > > That should work if you have a modern enough Xen-version.
> > Most likely,
> > > you''re using 3.0.3, which doesn''t support SMP
guests very
> > well (it can
> > > be done, but it requires a bunch of hand-patching hvmloader
> > and such,
> > > as it''s not dynamically building the ACPI tables).
> >
> > Yes. I''m using Xen 3.0.3 from Debian stable repositories.
Should I
> > install 3.0.4? I''m using 3.0.2 in a productive environment
with
> > GNU/Linux SMP guests and these works fine, but this guests works in
> > paravirtualized mode. Maybe the problem with SMP support is on full
> > virtualization mode.
>
> Yes, exactly, the HVM-support for SMP is not yet in 3.0.3 - PV-guests
> had SMP-support in 3.0.0, I believe.
>
> --
> Mats
> >
> > Thanks for speedy reply.
> >
> > Regards,
> > Daniel
> > --
> > Daniel Bareiro - System Administrator
> > Fingerprint: BFB3 08D6 B4D1 31B2 72B9 29CE 6696 BF1B 14E6 1D37
> > Powered by Debian GNU/Linux Etch - Linux user #188.598
> >
>
>
>
>
>
> ------------------------------
>
> Message: 5
> Date: Thu, 19 Apr 2007 16:01:11 +0100
> From: "Ian Tobin" <itobin@tidyhosts.com>
> Subject: [Xen-users] Dom0 Firewall using IPtables
> To: <xen-users@lists.xensource.com>
> Message-ID:
> <E0E43F8F0962AD4C8A1D6CE8ED5EDE3F1D9FD1@electron.tidyhosts.com>
> Content-Type: text/plain; charset="us-ascii"
>
> Hello,
>
>
>
> We have been trying to the past 2 days to get Dom0 secured up but still
> allowing outbound traffic.
>
>
>
> Through all our testing we can successfully secure the Dom0 but the
> outbound traffic doesn''t work after.
>
>
>
> Does anyone have a good config that will allow us to secure inbound
> traffic to dom0 but still allow full outbound to the internet?
>
>
>
> Thanks in advance
>
>
>
> Ian
>
>
>
>
>
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> ------------------------------
>
> Message: 6
> Date: Thu, 19 Apr 2007 16:23:57 +0100
> From: Mark Williamson <mark.williamson@cl.cam.ac.uk>
> Subject: Re: [Xen-users] ioemu
> To: xen-users@lists.xensource.com
> Cc: "Petersson, Mats" <Mats.Petersson@amd.com>
> Message-ID: <200704191623.57717.mark.williamson@cl.cam.ac.uk>
> Content-Type: text/plain; charset="iso-8859-1"
>
> > > Somebody know what ''ioemu'' means, in
''ioemu device '' context ?
> >
> > IO emulation!
> >
> > Although it''s deprecated in the latest version of Xen -
it''s no longer
> > necessary and may be removed at a later stage.
>
> Nb. minor nit: ioemu is used in two contexts. One is the "ioemu"
option
> specified in a domain config file - this is deprecated as it''s no
longer
> necessary (AFAIK HVM guests are exported both emulated and PV versions of
> devices so they can use whichever they want. They need to boot from an
> emulated one initially.).
>
> The other is as a name for the "device models" which provide the
emulation
> of
> PC hardware. This emulation isn''t deprecated, although the way it
operates
> may change in the future.
>
> HTH,
> Cheers,
> Mark
>
> --
> Dave: Just a question. What use is a unicyle with no seat? And no pedals!
> Mark: To answer a question with a question: What use is a skateboard?
> Dave: Skateboards have wheels.
> Mark: My wheel has a wheel!
>
>
>
> ------------------------------
>
> Message: 7
> Date: Thu, 19 Apr 2007 12:48:22 -0300
> From: Daniel Bareiro <daniel-listas@gmx.net>
> Subject: Re: [Xen-users] SMP support in Windows domU
> To: xen-users@lists.xensource.com
> Message-ID: <20070419154822.GA6852@hermes.freesoftware.org>
> Content-Type: text/plain; charset="us-ascii"
>
> On Thursday, 19 April 2007 16:01:56 +0200,
> Petersson, Mats wrote:
>
> > > > That should work if you have a modern enough Xen-version.
Most
> > > > likely, you''re using 3.0.3, which doesn''t
support SMP guests very
> > > > well (it can be done, but it requires a bunch of
hand-patching
> > > > hvmloader and such, as it''s not dynamically
building the ACPI
> > > > tables).
>
> > > Yes. I''m using Xen 3.0.3 from Debian stable
repositories. Should I
> > > install 3.0.4? I''m using 3.0.2 in a productive
environment with
> > > GNU/Linux SMP guests and these works fine, but this guests works
in
> > > paravirtualized mode. Maybe the problem with SMP support is on
full
> > > virtualization mode.
>
> > Yes, exactly, the HVM-support for SMP is not yet in 3.0.3 - PV-guests
> > had SMP-support in 3.0.0, I believe.
>
> Oh, ok. Do you know if The HVM-support for SMP is present in Xen >=
3.0.4?
>
> Regards,
> Daniel
> --
> Daniel Bareiro - System Administrator
> Fingerprint: BFB3 08D6 B4D1 31B2 72B9 29CE 6696 BF1B 14E6 1D37
> Powered by Debian GNU/Linux Etch - Linux user #188.598
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