Oh yes you can run XEN on VB. I am running the following config:
========GUEST
======== [root@xenserver ~]# cat /etc/issue
Citrix XenCloudPlatform Host 0.1.1-25823p
[root@xenserver ~]# uname -a
Linux xenserver 2.6.27.42-0.1.1.xs0.1.1.737.1065xen #1 SMP Fri Jan 15
16:20:16 EST 2010 i686 athlon i386 GNU/Linux
=======HOST
=======OS Name: Microsoft Windows 7 Ultimate
OS Version: 6.1.7600 N/A Build 7600
OS Manufacturer: Microsoft Corporation
System Model: MS-7596
System Type: x64-based PC
Processor(s): AMD64 Family 16 Model 4 Stepping 3 AuthenticAMD
~3200 Mhz
Regards,
Prateek
On 10 August 2010 15:38, <xen-users-request@lists.xensource.com> wrote:
> Send Xen-users mailing list submissions to
> xen-users@lists.xensource.com
>
> To subscribe or unsubscribe via the World Wide Web, visit
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> or, via email, send a message with subject or body ''help''
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>
> You can reach the person managing the list at
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>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Xen-users digest..."
>
> Today''s Topics:
>
> 1. Compiling Xen from source on a machine without Internet
> access (Virajith Jalaparti)
> 2. Re: Compiling Xen from source on a machine without Internet
> access (Christopher R. K.)
> 3. CentOS 5.5, XEN-4.0 (gitco), Kernel 2.6.34-xenified and
> Fedora11-PV (Thomas Halinka)
> 4. Re: XEN in VirtualBox? (Edson Marquezani Filho)
> 5. Installation of Windows 2008 failure in hvm mode (KC LO)
> 6. [SPAM] Re: [Xen-users] multiple streaming servers in a xen
> cloud (Tapas Mishra)
> 7. FreeBSD DomU (Net Warrior)
> 8. XEN powerpc (dinesh)
> 9. Re: FreeBSD DomU (Alexander Kriventsov)
> 10. Hi: Newbie intro. (Ken)
> 11. Re: Hi: Newbie intro. (Simon Hobson)
> 12. Re: Hi: Newbie intro. (Ken)
> 13. Re: DRBD and XEN on Centos5.5 (Fajar A. Nugraha)
> 14. RE: DRBD and XEN on Centos5.5 (Simon Billis)
> 15. Re: Hi: Newbie intro. (Simon Hobson)
> 16. Re: [SPAM] Re: [Xen-users] multiple streaming servers in a
> xen cloud (francisco javier funes nieto)
> 17. Clone Xen Guest (LVM) (Benjamin Knoth)
> 18. Re: xen headers xcp kernel (Peter den Hartog)
> 19. Does anyone run win7 or winxp with xl toolstack? (Sergey Tovpeko)
>
>
> ---------- Forwarded message ----------
> From: Virajith Jalaparti <virajith.j@gmail.com>
> To: xen-users@lists.xensource.com
> Date: Mon, 09 Aug 2010 15:37:55 -0400
> Subject: [Xen-users] Compiling Xen from source on a machine without
> Internet access
> Hi,
>
> I am trying to compile Xen 4.0 on a machine without access to the Internet.
> However it does not work directly since the make process does a
"hg" and
> gets some files from an svn. Is there a way I can compile Xen from source
on
> a machine which cannot access the Internet? I am looking for something
other
> the obvious answer of "compile it on another Internet-connected
machine and
> copy the result to that machine which is not connected to the
Internet"
> (both these machines can talk to each other).
>
> Thanks,
> Virajith
>
>
>
>
> ---------- Forwarded message ----------
> From: "Christopher R. K." <feuerball_@gmx.net>
> To: xen-users@lists.xensource.com
> Date: Mon, 09 Aug 2010 22:24:05 +0200
> Subject: Re: [Xen-users] Compiling Xen from source on a machine without
> Internet access
> You can make your kernel externally (fetch the source per git from the
> pv_ops repository or xen) and just create the xen tools with make xen and
> make tools, then you can install it per ./install.sh in the xen src dir, as
> far as I remember. Check the xen-wiki for futher details.
>
> Am 09.08.2010 21:37, schrieb Virajith Jalaparti:
>
>> Hi,
>>
>> I am trying to compile Xen 4.0 on a machine without access to the
>> Internet. However it does not work directly since the make process does
a
>> "hg" and gets some files from an svn. Is there a way I can
compile Xen from
>> source on a machine which cannot access the Internet? I am looking for
>> something other the obvious answer of "compile it on another
>> Internet-connected machine and copy the result to that machine which is
not
>> connected to the Internet" (both these machines can talk to each
other).
>>
>> Thanks,
>> Virajith
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@lists.xensource.com
>> http://lists.xensource.com/xen-users
>>
>>
>
>
>
>
> ---------- Forwarded message ----------
> From: Thomas Halinka <lists@thohal.de>
> To: xen-users@lists.xensource.com
> Date: Tue, 10 Aug 2010 01:17:30 +0200
> Subject: [Xen-users] CentOS 5.5, XEN-4.0 (gitco), Kernel 2.6.34-xenified
> and Fedora11-PV
> Hello,
>
> im struggling with getting a Fedora 11 Domu up and running.
>
> My Host is a HP DL380 g6 with CentOS 5.5 and XEN 4 from gitco installed.
>
> The System runs several Linux-PV-DomUs like Debian Lenny, Ubuntu Lucid
> and CentOS-55 without any problems.
>
> But if i try to get stock F11 up and running.
>
> Using Virt-install, xm create with KS-Install and Converting a working
> HVM-Install did not suceed. The DomU is making IO, comsumes CPU-Time,
> but Console and Network are not reachable/working?!
>
> XENinified 2.6.34 uses xvc0 as console while pvops-enabled Kernels like
> the Stock (2.6.30.11) Fedora-Kernel use hvc0.
>
> It triple-checked the existence of /dev/hvc0, inittab, securetty but
> still no Console available
>
> Tried following Kernel-Params:
> extra = ''console=hvc0 earlyprintk=xen''
> extra = ''console=hvc0 xencons=tty earlyprintk=xen''
> extra = ''console=hvc0 xencons=hvc0 earlyprintk=xen''
> extra = ''console=hvc0 xencons=xvc0 earlyprintk=xen''
>
> but still no Luck :-(
>
> Has Somebody a running stock-F11-PV-DomU up and running?
>
> Any Ideas?!
>
> tia,
>
> thomas
>
>
> PS: my pygrub does not work with timeout=0, maybe pygrub is broken?
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Edson Marquezani Filho <edsonmarquezani@gmail.com>
> To: lopb <servicios@lopb.com.ar>
> Date: Mon, 9 Aug 2010 21:30:33 -0300
> Subject: Re: [Xen-users] XEN in VirtualBox?
> As far as I know, Xen hypervisor needs direct access to the real
> hardware, so you won''t be able to run it inside a virtual machine.
>
>
>
>
> ---------- Forwarded message ----------
> From: KC LO <kclo2000@gmail.com>
> To: xen-users@lists.xensource.com
> Date: Tue, 10 Aug 2010 09:50:16 +0800
> Subject: [Xen-users] Installation of Windows 2008 failure in hvm mode
> Dear all,
>
> I have installed xen3.4.3 in CentOS5.5 and successful to install CentOS
> guest OS in para-virtualized mode.
> When I use virt-manager and virt-install to install Windows 2008 or Windows
> 7 under X-Window, the VM in fully-virtualized mode can startup and go into
> the Installation manual. However, the Windows installation can not find
the
> hard disk that I have assigned during installation. I have typed xm list
-l
> "domain" and found that device have attached to the domain. I
also checked
> the device is attached to the VM under virt-manager.
>
> Any area that I need to check?
> Any suggestions?
>
>
> ---------- Forwarded message ----------
> From: Tapas Mishra <mightydreams@gmail.com>
> To: Xen List <xen-users@lists.xensource.com>
> Date: Tue, 10 Aug 2010 10:11:01 +0530
> Subject: [SPAM] Re: [Xen-users] multiple streaming servers in a xen cloud
> Since I had started this thread here
> I came across
> http://l7-filter.clearfoundation.com/docs/readme
> if some one comes across this thread by chance this should help them.
>
> --
> Tapas
> http://mightydreams.blogspot.com
> http://wiki.xensource.com/xenwiki/Xen_on_4_app_servers
>
>
>
>
> ---------- Forwarded message ----------
> From: Net Warrior <netwarrior863@gmail.com>
> To: Xen Users <xen-users@lists.xensource.com>
> Date: Tue, 10 Aug 2010 02:12:33 -0300
> Subject: [Xen-users] FreeBSD DomU
> Hi there guys.
>
> Did someone was able to install FreeBSD as DomU, I''ve been playing
> around with it for a couple of hour, I was able to install it
> version 7.2 i386 only, but then I cannot boot it, I''m using
pygrub, here
> is my config, version 8.0-RELEASE, i386 and amd64 just panic.
>
> bootloader = ''/usr/bin/pygrub''
> builder=''hvm''
> memory = 512
> name = "freebsd"
> vif = [ ''mac=00:16:3E:52:CB:81, bridge=eth0,
vifname=freebsd'' ]
> disk = [ ''phy:/dev/NETWARRIOR/LXVIRTUAL1,ioemu:hda,w'']
>
>
> When trying to create the DomU I get.
>
> Error: Domain ''freebsd'' does not exist
> --
> xend.log
>
> return map(lambda x: self.configuration(x, transaction),
> self.deviceIDs(transaction))
> File
>
"/usr/lib64/python2.6/site-packages/xen/xend/server/DevController.py",
> line 242, in <lambda>
> return map(lambda x: self.configuration(x, transaction),
> self.deviceIDs(transaction))
> File
>
"/usr/lib64/python2.6/site-packages/xen/xend/server/DevController.py",
> line 249, in configuration
> configDict = self.getDeviceConfiguration(devid, transaction)
> File
>
"/usr/lib64/python2.6/site-packages/xen/xend/server/ConsoleController.py",
> line 27, in getDeviceConfiguration
> devinfo = self.readBackendTxn(transaction, devid, *self.valid_cfg)
> File
>
"/usr/lib64/python2.6/site-packages/xen/xend/server/DevController.py",
> line 447, in readBackendTxn
> raise VmError("Device %s not connected" % devid)
> VmError: Device 0 not connected
>
>
>
> Any Ideas?
>
>
> Thanks in advance.
> Regards
>
>
>
>
> ---------- Forwarded message ----------
> From: dinesh <dinesh.thanumoorthy@lntinfotech.com>
> To: xen-users@lists.xensource.com
> Date: Tue, 10 Aug 2010 10:45:57 +0530
> Subject: [Xen-users] XEN powerpc
> Hi
> Is there support for powerpc e300 in XEN
>
>
>
>
> ---------- Forwarded message ----------
> From: Alexander Kriventsov <avk@vl.ru>
> To: xen-users@lists.xensource.com
> Date: Tue, 10 Aug 2010 10:04:22 +0400
> Subject: Re: [Xen-users] FreeBSD DomU
> 10.08.2010 9:12, Net Warrior пишет:
>
>> Hi there guys.
>>
>> Did someone was able to install FreeBSD as DomU, I''ve been
playing
>> around with it for a couple of hour, I was able to install it
>> version 7.2 i386 only, but then I cannot boot it, I''m using
pygrub, here
>> is my config, version 8.0-RELEASE, i386 and amd64 just panic.
>>
>
> Yes, I''m using a lot of of freebsd 8.X as domU. In configs I have
something
> like this
> import os, re
>
> arch_libdir = ''lib''
> arch = os.uname()[4]
> if os.uname()[0] == ''Linux'' and
re.search(''64'', arch):
> arch_libdir = ''lib64''
>
> kernel = "/usr/lib/xen/boot/hvmloader"
> builder=''hvm''
> memory = 256
> name = "node"
> vif = [ ''type=ioemu, mac=00:16:3e:XX:YY:ZZ, bridge=eth0''
]
> disk = [ ''phy:/dev/xenvgsata/node,hda,w'' ]
> device_model = ''/usr/'' + arch_libdir +
''/xen/bin/qemu-dm''
> sdl=0
> vnc=1
> vncpasswd=''vnc''
> stdvga=0
> serial=''pty''
> boot=''cn''
>
> But you should enable hardware virtualization in your BIOS to work with
> hvm.
>
>
>> bootloader = ''/usr/bin/pygrub''
>> builder=''hvm''
>> memory = 512
>> name = "freebsd"
>> vif = [ ''mac=00:16:3E:52:CB:81, bridge=eth0,
vifname=freebsd'' ]
>> disk = [
''phy:/dev/NETWARRIOR/LXVIRTUAL1,ioemu:hda,w'']
>>
>>
>> When trying to create the DomU I get.
>>
>> Error: Domain ''freebsd'' does not exist
>> --
>> xend.log
>>
>> return map(lambda x: self.configuration(x, transaction),
>> self.deviceIDs(transaction))
>> File
>>
"/usr/lib64/python2.6/site-packages/xen/xend/server/DevController.py",
>> line 242, in<lambda>
>> return map(lambda x: self.configuration(x, transaction),
>> self.deviceIDs(transaction))
>> File
>>
"/usr/lib64/python2.6/site-packages/xen/xend/server/DevController.py",
>> line 249, in configuration
>> configDict = self.getDeviceConfiguration(devid, transaction)
>> File
>>
"/usr/lib64/python2.6/site-packages/xen/xend/server/ConsoleController.py",
>> line 27, in getDeviceConfiguration
>> devinfo = self.readBackendTxn(transaction, devid, *self.valid_cfg)
>> File
>>
"/usr/lib64/python2.6/site-packages/xen/xend/server/DevController.py",
>> line 447, in readBackendTxn
>> raise VmError("Device %s not connected" % devid)
>> VmError: Device 0 not connected
>>
>>
>>
>> Any Ideas?
>>
>>
>> Thanks in advance.
>> Regards
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@lists.xensource.com
>> http://lists.xensource.com/xen-users
>>
>
>
> --
> Alexander Kriventsov
>
>
>
>
> ---------- Forwarded message ----------
> From: Ken <kr.xen@hoverclub.net>
> To: xen-users@lists.xensource.com
> Date: Tue, 10 Aug 2010 01:30:34 -0500
> Subject: [Xen-users] Hi: Newbie intro.
> Hi,
>
> I''m grass-green new to Xen. The only virtualization I''ve
used is VMware
> (most recently server) on Linux, Windows and Mac, and Parallels on Mac.
> I''ve used VMware for years as a testing mechanism. I''m
not a VMware
> expert, but have used it in all the ways I intend to use Xen.
>
> I''ve been reading through the Xen documentation and have some
questions
> that don''t seem to be clear. I''m not afraid of the
documentation. I
> haven''t waded through it all, but I have not yet found the answers
to
> some burning questions and can''t concentrate on the topic at hand
> because of it. Some things just seem to be missing, and I don''t
know if
> it''s because I just haven''t read that far or if that
entire issue is
> handled by Dom0. If something I''m asking about is best described
by the
> docs, I would love to see a link to that section rather than make you
> guys type in a description.
>
>
> First, my hardware:
> I have an Intel i7 920 on an Asus P6T with 12G RAM. The processor
> supports VT-x but not the vpro version. I''m still not clear on
the
> differences between these.
>
> The drives are SATA, 4xWD750gx10000rpm (WD7500AADS) configured as Linux
> kernel-based RAID with LVM2 on top. Mostly RAID 1 in 2 volume groups,
> two drives per group. The /boot drive is 4 drives RAID 1, grub boot
> loader. I also have a removable SATA drive with 1.5 Tb as a backup
> drive. Currently all this space is mostly empty, but by the time I get
> done that probably won''t be the case.
>
> I have an nVidia GT200 video card with dual monitors, if that matters.
> I also have some other hardware (mostly sound and video hardware) but
> that''s not pertinent at this point I think. A full hardware
profile is
> included at the end of my message in case it''s pertinent to one of
the
> questions.
>
>
> My intent:
> This is my home workstation. I currently run Gentoo on it. I also want
> to work from it, and I''m a software developer. Here are the VMs I
want:
> 1 Gentoo stable. This is probably going to be where I live most. It
> will have video and sound and will probably use the most CPU of
> everything.
> 2 Gentoo ~arch. This may be a chroot of stable, or maybe a full
> image. This is primarily for testing and experimentation with
> unreleased software.
> 3 Windows 2003 converted from a VMware disk. This has Microsoft SQL
> Server on it, and everything is using legitimate developer licenses.
> This is used as a database and as a web browser for testing, and has a
> couple other end-user tools on it, but very little human interaction.
> 4 Some random flavor of operating system. I sometimes try out a
> distro just to see what''s going on.
> 5 Possibly one or two other stand-alone server images, usually a
> minimal Linux.
> 6 I may also have Ubuntu on it. For some reason I''m fixated by
this
> distro.
>
> Stable and Windows 2003 will probably start at boot. Everything else
> will probably be a manual start-as-needed arrangement.
>
>
>
> My questions:
>
> 1. Board issues.
> http://wiki.xensource.com/xenwiki/VTdHowTo shows a line which causes me
> concern:
> ASUS P6T Deluxe (Intel X58 chipset) requires (currently non-public) BIOS
> update to correct DMAR-table issue
>
> My board is P6T, not deluxe. It has the X58 chip set, the BIOS is set
> to allow VT-d, but I''m not sure if this board has the broken BIOS
like
> the Deluxe, or if it has a good BIOS, or if it is missing the feature
> which requires the fix altogether. Can this board run VT-d in a proper
> way? Do I need to get a different board in order to make this work
> well?
>
> 2. Dom0 strategy:
> I''m a bit confused as to the entire role of dom0. Is this
supposed to
> be just a minimal command-line distro for drivers and Xen admin, or is
> it a full-blown distro which also has Xen admin? Do I want flexibility
> or stability? Rolling release or conservative non-rolling release?
> Admin-only or do I live here?
>
> 3. Partitioning:
> I''m currently using RAID per linux-only schemes. Does Xen have
its own
> requirements and abilities for that, or is that entirely handled by
> Dom0?
>
> Do I assign logical volumes directly to the DomUs with the proper
> partitioning scheme or do I store everything on XFS in a big file and
> let the DomU partition that file?
>
> Does it make sense still to segment the system out to different
> partition types for performance, or what? What''s the strategy?
>
>
> Thanks.
>
> --------------------------------------------------------------------
> Hardware details:
> /proc/cpuinfo:
> processor : 7
> vendor_id : GenuineIntel
> cpu family : 6
> model : 26
> model name : Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz
> stepping : 5
> cpu MHz : 1600.000
> cache size : 8192 KB
> physical id : 0
> siblings : 8
> core id : 3
> cpu cores : 4
> apicid : 7
> initial apicid : 7
> fpu : yes
> fpu_exception : yes
> cpuid level : 11
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
> cmov
> pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx
> rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology
> nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16
> xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority
> ept vpid
> bogomips : 5344.67
> clflush size : 64
> cache_alignment : 64
> address sizes : 36 bits physical, 48 bits virtual
> power management:
>
> ---------------------
> /proc/meminfo
> MemTotal: 12321128 kB
> MemFree: 9958988 kB
> Buffers: 316368 kB
> Cached: 604180 kB
> SwapCached: 0 kB
> Active: 1268860 kB
> Inactive: 552456 kB
> Active(anon): 907640 kB
> Inactive(anon): 16 kB
> Active(file): 361220 kB
> Inactive(file): 552440 kB
> Unevictable: 16 kB
> Mlocked: 16 kB
> SwapTotal: 31487368 kB
> SwapFree: 31487368 kB
> Dirty: 40 kB
> Writeback: 4 kB
> AnonPages: 900820 kB
> Mapped: 96912 kB
> Shmem: 6888 kB
> Slab: 428268 kB
> SReclaimable: 381632 kB
> SUnreclaim: 46636 kB
> KernelStack: 3032 kB
> PageTables: 18288 kB
> NFS_Unstable: 0 kB
> Bounce: 0 kB
> WritebackTmp: 0 kB
> CommitLimit: 37647932 kB
> Committed_AS: 1260788 kB
> VmallocTotal: 34359738367 kB
> VmallocUsed: 356972 kB
> VmallocChunk: 34359358460 kB
> HugePages_Total: 0
> HugePages_Free: 0
> HugePages_Rsvd: 0
> HugePages_Surp: 0
> Hugepagesize: 2048 kB
> DirectMap4k: 18944 kB
> DirectMap2M: 12554240 kB
>
> ---------------------
>
> lspci
> 00:00.0 Host bridge: Intel Corporation X58 I/O Hub to ESI Port (rev 12)
> 00:01.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express
> Root Port 1 (rev 12)
> 00:03.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express
> Root Port 3 (rev 12)
> 00:07.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express
> Root Port 7 (rev 12)
> 00:14.0 PIC: Intel Corporation 5520/5500/X58 I/O Hub System Management
> Registers (rev 12)
> 00:14.1 PIC: Intel Corporation 5520/5500/X58 I/O Hub GPIO and Scratch
> Pad Registers (rev 12)
> 00:14.2 PIC: Intel Corporation 5520/5500/X58 I/O Hub Control Status and
> RAS Registers (rev 12)
> 00:14.3 PIC: Intel Corporation 5520/5500/X58 I/O Hub Throttle Registers
> (rev 12)
> 00:1a.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
> UHCI Controller #4
> 00:1a.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
> UHCI Controller #5
> 00:1a.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
> UHCI Controller #6
> 00:1a.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2
> EHCI Controller #2
> 00:1b.0 Audio device: Intel Corporation 82801JI (ICH10 Family) HD Audio
> Controller
> 00:1c.0 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express
> Port 1
> 00:1c.2 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express
> Port 3
> 00:1c.3 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express
> Port 4
> 00:1c.4 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express
> Port 5
> 00:1d.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
> UHCI Controller #1
> 00:1d.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
> UHCI Controller #2
> 00:1d.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
> UHCI Controller #3
> 00:1d.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2
> EHCI Controller #1
> 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 90)
> 00:1f.0 ISA bridge: Intel Corporation 82801JIR (ICH10R) LPC Interface
> Controller
> 00:1f.2 IDE interface: Intel Corporation 82801JI (ICH10 Family) 4 port
> SATA IDE Controller
> 00:1f.3 SMBus: Intel Corporation 82801JI (ICH10 Family) SMBus Controller
> 00:1f.5 IDE interface: Intel Corporation 82801JI (ICH10 Family) 2 port
> SATA IDE Controller
> 01:00.0 Multimedia video controller: Conexant Systems, Inc. Hauppauge
> Inc. HDPVR-1250 model 1196 (rev 04)
> 02:00.0 VGA compatible controller: nVidia Corporation GT200 [GeForce GTX
> 260] (rev a1)
> 04:00.0 SATA controller: JMicron Technology Corp. 20360/20363 Serial ATA
> Controller (rev 03)
> 04:00.1 IDE interface: JMicron Technology Corp. 20360/20363 Serial ATA
> Controller (rev 03)
> 05:00.0 FireWire (IEEE 1394): VIA Technologies, Inc. Device 3403
> 06:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)
> 08:00.0 Multimedia audio controller: Creative Labs SB X-Fi
>
> -----------------------
> lsusb
> Bus 007 Device 002: ID 051d:0002 American Power Conversion
> Uninterruptible Power Supply
> Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 006 Device 003: ID 04b3:310b IBM Corp. Red Wheel Mouse
> Bus 006 Device 002: ID 058f:9410 Alcor Micro Corp. Keyboard
> Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 002 Device 006: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
> Bus 002 Device 004: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Simon Hobson <linux@thehobsons.co.uk>
> To: xen-users@lists.xensource.com
> Date: Tue, 10 Aug 2010 08:02:36 +0100
> Subject: Re: [Xen-users] Hi: Newbie intro.
> Ken wrote:
>
> 2. Dom0 strategy:
>> I''m a bit confused as to the entire role of dom0. Is this
supposed to
>> be just a minimal command-line distro for drivers and Xen admin, or is
>> it a full-blown distro which also has Xen admin? Do I want flexibility
>> or stability? Rolling release or conservative non-rolling release?
>> Admin-only or do I live here?
>>
>
> Dom0 is to Xen a bit like user root is to Unix style systems. Xen loads
> first and sits on top of the hardware, but Xen itself doesn''t
really have
> any way to interact with it. It loads Dom0 as the first guest OS (and yes,
> even Dom0 is a virtual machine I believe) - and gives it special
privileges,
> such as being able to communicate with the hypervisor and control it. Dom0
> also gets direct access to all hardware by default.
>
> It is customary that Dom0 is a "light" install - just containing
what you
> need to run the machine. It doesn''t have to be, you can load up
all your GUI
> shells, user apps etc - but it''s custom to keep Dom0 light because
of it''s
> privileged role and the fact that if you compromise Dom0 then all the
guests
> are compromised.
> So if you have a machine that is your desktop, then it''s quite OK
to run
> Xen on it, use Dom0 as your "desktop machine" and fire up some
other guests
> as required. You just have to accept that if you compromise your desktop
> machine, then the others are compromised too. it would be a good way to get
> started and experiment - just not good for running production services.
>
> 3. Partitioning:
>> I''m currently using RAID per linux-only schemes. Does Xen
have its own
>> requirements and abilities for that, or is that entirely handled by
>> Dom0?
>>
>> Do I assign logical volumes directly to the DomUs with the proper
>> partitioning scheme or do I store everything on XFS in a big file and
>> let the DomU partition that file?
>>
>> Does it make sense still to segment the system out to different
>> partition types for performance, or what? What''s the
strategy?
>>
>
> Again, this is largely a matter of personal preference. In terms of
> performance, then unless you take steps to segregate stuff (eg keeping
> different bits of data on different drives), then the I/O from all your
> guests shares the same disk I/O bottlenecks. In some ways it could be said
> to be worse since you will typically have the virtual disks for different
> machines spread across the disks and thus ensure lots of head seeks.
>
> Xen does not handle any file systems on it''s own, whatever
containers you
> use are transparent to the hypervisor. What type of container is again a
> matter of preference.
> At one extreme, you can build a big filesystem for Dom0, and use file to
> store the virtual disks for the guests. Personally I use block devices and
> LVM - I create on logical volume per filesystem in each DomU, and I
don''t
> partition them in the DomUs. This has the advantage that each filesystem
can
> be mounted in Dom0 without any hassles (ie you can just "mount
> /dev/vg0/guest1root /mnt") and have access to the file on the guests
disks
> (but you must shut down the guest first).
> If you create a virtual disk and partition it inside the guest then
> filesystems can still be mounted elsewhere, but there''s an extra
step or two
> involved.
> One LV per filesystem also makes resizing filesystems a doddle - shutdown
> guest, shrink filesystem if reducing size, resize LV, expand filesystem.
> There is talk of it being possible to resize (expand) the LV and trigger
> some signal to make the increased size visible to a running Dom0, and then
> live-expand the filesystem.
>
> As mentioned above, many of the same performance issues arise, but with
> some added complications because you are no longer considering one
> "machine". If you do have a heavy I/O application, then you may
still want
> to take the usual steps of keeping that data on it''s own set of
spindles and
> so on - Xen will let you do that, it really doesn''t care what you
do.
>
>
>
> Dunno about the other questions.
>
> --
> Simon Hobson
>
> Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
> author Gladys Hobson. Novels - poetry - short stories - ideal as
> Christmas stocking fillers. Some available as e-books.
>
>
>
>
> ---------- Forwarded message ----------
> From: Ken <kr.xen@hoverclub.net>
> To: Simon Hobson <linux@thehobsons.co.uk>
> Date: Tue, 10 Aug 2010 02:32:32 -0500
> Subject: Re: [Xen-users] Hi: Newbie intro.
> Simon,
>
> That helps a lot. Much of what you said matches what my impression was,
> especially about Dom0. I think in that case I will make a minimal
> distro for that, and keep it simple. At least until I decide a DomU
> might not be adequate in some way, if ever.
>
> With regards to partitioning, I think then what you''re saying is
that
> Dom0 decides what partitions are visible to the DomU, and whether those
> partitions are files on a Dom0 partition or if they''re partitions
on the
> same "layer" so to speak.
>
> So just guessing, I''m thinking that Dom0 would be the only thing
that
> needs to understand RAID/LVM and the DomUs could get by thinking it was
> a plain file system.
>
> Another thing: I have this existing Gentoo, that I''m typing on.
Is
> there some way to preserve it, or should I just figure on starting over?
> Is there some way to wedge the hypervisor under it, in place? Is that a
> bad idea even if possible, or is it no big deal?
>
> Thanks a lot, you''ve really helped.
>
> -- Ken.
>
>
>
> On Tue, 2010-08-10 at 08:02 +0100, Simon Hobson wrote:
> > Ken wrote:
> >
> > >2. Dom0 strategy:
> > >I''m a bit confused as to the entire role of dom0. Is
this supposed to
> > >be just a minimal command-line distro for drivers and Xen admin,
or is
> > >it a full-blown distro which also has Xen admin? Do I want
flexibility
> > >or stability? Rolling release or conservative non-rolling
release?
> > >Admin-only or do I live here?
> >
> > Dom0 is to Xen a bit like user root is to Unix style systems. Xen
> > loads first and sits on top of the hardware, but Xen itself
doesn''t
> > really have any way to interact with it. It loads Dom0 as the first
> > guest OS (and yes, even Dom0 is a virtual machine I believe) - and
> > gives it special privileges, such as being able to communicate with
> > the hypervisor and control it. Dom0 also gets direct access to all
> > hardware by default.
> >
> > It is customary that Dom0 is a "light" install - just
containing what
> > you need to run the machine. It doesn''t have to be, you can
load up
> > all your GUI shells, user apps etc - but it''s custom to keep
Dom0
> > light because of it''s privileged role and the fact that if
you
> > compromise Dom0 then all the guests are compromised.
> > So if you have a machine that is your desktop, then it''s
quite OK to
> > run Xen on it, use Dom0 as your "desktop machine" and fire
up some
> > other guests as required. You just have to accept that if you
> > compromise your desktop machine, then the others are compromised too.
> > it would be a good way to get started and experiment - just not good
> > for running production services.
> >
> > >3. Partitioning:
> > >I''m currently using RAID per linux-only schemes. Does
Xen have its own
> > >requirements and abilities for that, or is that entirely handled
by
> > >Dom0?
> > >
> > >Do I assign logical volumes directly to the DomUs with the proper
> > >partitioning scheme or do I store everything on XFS in a big file
and
> > >let the DomU partition that file?
> > >
> > >Does it make sense still to segment the system out to different
> > >partition types for performance, or what? What''s the
strategy?
> >
> > Again, this is largely a matter of personal preference. In terms of
> > performance, then unless you take steps to segregate stuff (eg
> > keeping different bits of data on different drives), then the I/O
> > from all your guests shares the same disk I/O bottlenecks. In some
> > ways it could be said to be worse since you will typically have the
> > virtual disks for different machines spread across the disks and thus
> > ensure lots of head seeks.
> >
> > Xen does not handle any file systems on it''s own, whatever
containers
> > you use are transparent to the hypervisor. What type of container is
> > again a matter of preference.
> > At one extreme, you can build a big filesystem for Dom0, and use file
> > to store the virtual disks for the guests. Personally I use block
> > devices and LVM - I create on logical volume per filesystem in each
> > DomU, and I don''t partition them in the DomUs. This has the
advantage
> > that each filesystem can be mounted in Dom0 without any hassles (ie
> > you can just "mount /dev/vg0/guest1root /mnt") and have
access to the
> > file on the guests disks (but you must shut down the guest first).
> > If you create a virtual disk and partition it inside the guest then
> > filesystems can still be mounted elsewhere, but there''s an
extra step
> > or two involved.
> > One LV per filesystem also makes resizing filesystems a doddle -
> > shutdown guest, shrink filesystem if reducing size, resize LV, expand
> > filesystem. There is talk of it being possible to resize (expand) the
> > LV and trigger some signal to make the increased size visible to a
> > running Dom0, and then live-expand the filesystem.
> >
> > As mentioned above, many of the same performance issues arise, but
> > with some added complications because you are no longer considering
> > one "machine". If you do have a heavy I/O application, then
you may
> > still want to take the usual steps of keeping that data on
it''s own
> > set of spindles and so on - Xen will let you do that, it really
> > doesn''t care what you do.
> >
> >
> >
> > Dunno about the other questions.
> >
> > --
> > Simon Hobson
> >
> > Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
> > author Gladys Hobson. Novels - poetry - short stories - ideal as
> > Christmas stocking fillers. Some available as e-books.
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@lists.xensource.com
> > http://lists.xensource.com/xen-users
>
>
>
>
>
>
> ---------- Forwarded message ----------
> From: "Fajar A. Nugraha" <fajar@fajar.net>
> To: Simon Billis <simon@houxou.com>
> Date: Tue, 10 Aug 2010 14:37:41 +0700
> Subject: Re: [Xen-users] DRBD and XEN on Centos5.5
> On Mon, Aug 9, 2010 at 10:29 PM, Simon Billis <simon@houxou.com>
wrote:
> > Fajar A. Nugraha sent a missive on 2010-08-09:
> >> The main advantage of using drbd: (if it works) is that it should
take
> >> care of making resources primary as necessary. If you do it
manually
> >> anyway, simply use primary on both with phy:/dev/drbd/by-res/
> >>
> >
> > Indeed - But I couldn''t get it to work.... was there
something that I
> > missed?
>
> Not really. That''s why I said IF it works.
> Reading the documentation, it supposed to work some versions back, but
> I never got it to work (similar setup as yours). In the end I simply
> use phy:/dev/drbd/by-res/ (which works without having to hack any
> script), and setup both nodes to be primary if I need live migration.
>
> --
> Fajar
>
>
>
>
> ---------- Forwarded message ----------
> From: "Simon Billis" <simon@houxou.com>
> To: "''Fajar A. Nugraha''"
<fajar@fajar.net>
> Date: Tue, 10 Aug 2010 08:51:26 +0100
> Subject: RE: [Xen-users] DRBD and XEN on Centos5.5
> Fajar A. Nugraha sent a missive on 2010-08-10:
>
> > On Mon, Aug 9, 2010 at 10:29 PM, Simon Billis <simon@houxou.com>
wrote:
> >> Fajar A. Nugraha sent a missive on 2010-08-09:
> >>> The main advantage of using drbd: (if it works) is that it
should
> >>> take care of making resources primary as necessary. If you do
it
> >>> manually anyway, simply use primary on both with
> >>> phy:/dev/drbd/by-res/
> >>>
> >>
> >> Indeed - But I couldn''t get it to work.... was there
something that
> >> I missed?
> >
> > Not really. That''s why I said IF it works.
> > Reading the documentation, it supposed to work some versions back, but
> > I never got it to work (similar setup as yours). In the end I simply
> > use phy:/dev/drbd/by-res/ (which works without having to hack any
> > script), and setup both nodes to be primary if I need live migration.
> >
>
> Good to know, it will save me some more time looking for an answer :-).
> Thanks
>
> S.
>
>
>
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Simon Hobson <linux@thehobsons.co.uk>
> To: xen-users@lists.xensource.com
> Date: Tue, 10 Aug 2010 10:05:41 +0100
> Subject: Re: [Xen-users] Hi: Newbie intro.
> Ken wrote:
>
> With regards to partitioning, I think then what you''re saying is
that
>> Dom0 decides what partitions are visible to the DomU, and whether those
>> partitions are files on a Dom0 partition or if they''re
partitions on the
>> same "layer" so to speak.
>>
>
> Correct.
>
> So just guessing, I''m thinking that Dom0 would be the only thing
that
>> needs to understand RAID/LVM and the DomUs could get by thinking it was
>> a plain file system.
>>
>
> Yes.
>
> Another thing: I have this existing Gentoo, that I''m typing on.
Is
>> there some way to preserve it, or should I just figure on starting
over?
>> Is there some way to wedge the hypervisor under it, in place? Is that
a
>> bad idea even if possible, or is it no big deal?
>>
>
> In general, all you need to do is install a kernel package with Xen Dom0
> support, install Xen, and configure Xen+Compatible kernel as a boot option.
> You should then have the option of booting :
> + Your existing kernel
> + The new kernel
> + Xen plus the new kernel
>
> Another option, but slightly harder as you need to re-arrange partitions a
> bit ...
> Install a kernel with Xen DomU support, put the whole disk/partitions to
> one side, build a new boot setup with a fresh Xen+Dom0, boot your existing
> Gentoo as a DomU. A convenient way of doing this is to install a new disk
as
> the primary disk, and then you just configure the DomU to use the real
> partitions (rather than LVs).
>
> As long as you don''t mess up the disk, you then have the option of
putting
> things back and booting up as you are now. I like options with a safety net
> ;)
>
> --
> Simon Hobson
>
> Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
> author Gladys Hobson. Novels - poetry - short stories - ideal as
> Christmas stocking fillers. Some available as e-books.
>
>
>
>
> ---------- Forwarded message ----------
> From: francisco javier funes nieto <esencia@gmail.com>
> To: Tapas Mishra <mightydreams@gmail.com>
> Date: Tue, 10 Aug 2010 11:15:02 +0200
> Subject: Re: [SPAM] Re: [Xen-users] multiple streaming servers in a xen
> cloud
> This is full off-topic, but I use Mikrotik RouterOS (1) with L7 capable
> Firewall for this kind of problems... And you could use it with Xen too.
>
> (1) http://wiki.mikrotik.com/wiki/Manual:IP/Firewall/L7
>
> 2010/8/10 Tapas Mishra <mightydreams@gmail.com>
>
>> Since I had started this thread here
>> I came across
>> http://l7-filter.clearfoundation.com/docs/readme
>> if some one comes across this thread by chance this should help them.
>>
>> --
>> Tapas
>> http://mightydreams.blogspot.com
>> http://wiki.xensource.com/xenwiki/Xen_on_4_app_servers
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@lists.xensource.com
>> http://lists.xensource.com/xen-users
>>
>
>
>
> --
> _____________________________________________
>
> Francisco Javier Funes Nieto [esencia@gmail.com]
> CANONIGOS
> Servicios Informáticos para PYMES.
> Cl. Cruz 2, 1º Oficina 7
> Tlf: 958.536759 / 661134556
> Fax: 958.521354
> GRANADA - 18002
>
>
> ---------- Forwarded message ----------
> From: Benjamin Knoth <knoth@mpdl.mpg.de>
> To: xen-users@lists.xensource.com
> Date: Tue, 10 Aug 2010 11:29:09 +0200
> Subject: [Xen-users] Clone Xen Guest (LVM)
> Hi all,
> i would liḱe to clone a virtual machine from a Sles 10 SP 2 server to
> a Sles 11 server.
> My Xen-guest runs on Sles 10 SP2 in a Logical Volume.
> If i copy all files on a other lvm on the sles 11 server, it starts
> only in the console.
> On first tests i got some errors on boot. But after i add the old
> kernel it starts normal in the console but not with kde and right
> network connection.
>
> What did i do?
>
> I tested it also with a not running VM.
>
> I created a snapshot from the running vm.
> I mounted it read only.
> I copied all files via rsync on a empty (ext3) lv on the sles 11 server.
> I unmount the snapshot and the new lv.
> I changed harddisk, MAC-adress, IP-adress and boot-kernel (same as the
> old server) on the config and start with xm create vm.
>
> If i start the console on virtual machine Manager it boot the system
> normal. I can only log in with a non root user. Then i log in as root
> from a user and everything is ok.
> I can start YaST and change the network settings and can also change
> the /etc/hosts manual.
> On the sles 10 server i had a xenbr0 network device. On Sles 11 i have
> a eth0 bridge as network device.
>
> If i start YaST i see the old device and old ip. I don''t see the
new
> network device.
> If i change the ip-adress i see it on YaST but if i start ifconfig in
> the console i only get a loop back 127.0.0.1 network device.
>
> If i install a new Guest in a lv on SLES 11 it works perfect but i
> did''t find a solution to clone an existing virtual machine.
>
> How can i clone a VM on another server where xen is installed?
>
> Best regards
>
> Benjamin Knoth
>
> --
> Benjamin Knoth
> Max Planck Digital Library (MPDL)
> Systemadministration
> Amalienstrasse 33
> 80799 München, Germany
> http://www.mpdl.mpg.de
>
> Mail: knoth@mpdl.mpg.de
> Phone: +49 89 38602 202
> Fax: +49-89-38602-280
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Peter den Hartog <peterdenhartog@gmail.com>
> To: xen-users@lists.xensource.com
> Date: Tue, 10 Aug 2010 11:40:10 +0200
> Subject: Re: [Xen-users] xen headers xcp kernel
> Ok i''ve downloaded that file and unpacked it, but i can''t
seem to locate
> the headers.
> I''ll try to clarify what i''m trying to do here.
> I got Dahdi drivers (for Asterisk) that i need to compile. It fails after 2
> seconds with the message that they can''t find my kernel headers.
>
> The method you descripe doesn''t work for me, or i''m doing
something wrong!
>
> Can you give me some more advice,
> thanks!
>
> Peter
>
> On Mon, Aug 9, 2010 at 3:32 PM, Peter den Hartog
<peterdenhartog@gmail.com
> > wrote:
>
>> awesome! Thanks alot, i''ll check it out
>>
>>
>> On Mon, Aug 9, 2010 at 3:18 PM, George Shuklin
<george.shuklin@gmail.com>wrote:
>>
>>> Good day.
>>>
>>> Just few days ago I was solve this problem with outdates e1000
drivers.
>>>
>>> My solution:
>>> 1) Download source ISO:
>>> http://www.xen.org/files/XenCloud/Software/0.5/sources/source-1.iso
>>> 2) Unpack kernel source (src.rpm) for needed kernel.
>>> 3) Copy it to /usr/src/linux to target XCP host
>>> 4) remove citrix broken repo and enable centos repos.
>>> 5) install gcc, make, binutils, etc.
>>> 6) compile kernel sources (modprep usually enough), configuration
for
>>> compilation avaible from /proc/config.gz.
>>> 6) use ./configure option to specify path (most of scripts will
search
>>> in /usr/src/linux).
>>>
>>> В Пнд, 09/08/2010 в 15:08 +0200, Peter den Hartog пишет:
>>> > hello guys,
>>> >
>>> >
>>> > i was wondering where and if i can find the xen kernel headers
for the
>>> > latest stable XCP (0.5)
>>> > i need these because i have to compile a kernel module.
>>> >
>>> >
>>> > Thanks!
>>> > Peter
>>> >
>>> > _______________________________________________
>>> > Xen-users mailing list
>>> > Xen-users@lists.xensource.com
>>> > http://lists.xensource.com/xen-users
>>>
>>>
>>>
>>> _______________________________________________
>>> Xen-users mailing list
>>> Xen-users@lists.xensource.com
>>> http://lists.xensource.com/xen-users
>>>
>>
>>
>>
>> --
>> *Groet // Kind regards,*
>> *Peter den Hartog*
>>
>
>
>
> --
> *Groet // Kind regards,*
> *Peter den Hartog*
>
>
> ---------- Forwarded message ----------
> From: Sergey Tovpeko <tsv.devel@gmail.com>
> To: xen-users@lists.xensource.com
> Date: Tue, 10 Aug 2010 14:02:17 +0400
> Subject: [Xen-users] Does anyone run win7 or winxp with xl toolstack?
> Hello, everybody!
>
> Does anyone have experience of running win7/winxp with xl?
> As for me, I got HAL_INITIALIZATION_FAILED BSOD on win7 booting and guest
> hanging in case of winxp.
> When i run these guests (with the same configs) with xm, everything is ok.
> The guests boot perfectly.
> Did anyone run into it too?
> I use the lattest xen-unstable, but i saw the problem several months ago
> too.
>
>
> My win7''s configuration file:
>
> kernel = "/usr/lib/xen/boot/hvmloader"
> builder=''hvm''
> memory = 1024
> name = "win7"
> disk = [ ''file:/root/images-xen/win7/win7.img,hda,w'',
> ''file:/root/images-xen/win7/win7_x64.iso,hdb:cdrom,r'' ]
> device_model = ''/usr/lib64/xen/bin/qemu-dm''
> vif = [''type=ioemu,bridge=eth1,mac=00:16:3e:4b:bb:9c'']
> boot="dc"
>
>
> sdl=0
> vnc=1
> vnclisten=''127.0.0.1''
> vncdisplay=1
> usbdevice=''tablet''
> videoram=4
>
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>
>
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