RE: [Xen-users] Eval XEN 3.2 - Provide disk with data for DomU

["Roger Klorese" <roger@xxxxxxxxxxxxx>]

XenExpress and other XenServer products do not allow manual modification of the configuration file, or direct use of pre-formatted pass-through disk devices.  The “appliance-style” configuration and storage model requires that storage be configured on logical volumes created through its built-in virtual disk creation interfaces.  Its feature set is restricted for ease of use in a limited configuration model.  The model is implemented via the user interface and “sm” (storage manager) and “xe” (XenEnterprise) command lines.

 

As for the network adapter in the guest, that’s just a fixed string.  It has no impact on the actual speed of the adapter.  It could say 1b/s or 100Gb/s and the speed of the data transfer would be the same.

 

And, once again: this is the flip-side of what I usually say elsewhere, but: the community that supports the commercial products is best reached via the forums at forums.xensource.com.  This list will bring you answers that tell you a million things you can do in open-configured open source Xen but which are not supported or even enabled in the “appliance-style” commercial product packaging.

 

 

From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Kelly KKS. SACAULT
Sent: Wednesday, April 18, 2007 11:54 AM
To: Artur Linhart - Linux communication
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-users] Eval XEN 3.2 - Provide disk with data for DomU

 

Hi Artur,

 

I have log into the root console of Xen. I can only display some files.

How can I find and edit the configuration file of xen or the wm  configuration file ?

 

Regards,

Kelly.

 

 

 

De : Artur Linhart - Linux communication [mailto:AL.LINUX@xxxxxxxxxxx]
Envoyé : mardi 17 avril 2007 03:09
À : Kelly KKS. SACAULT; xen-users@xxxxxxxxxxxxxxxxxxx
Objet : RE: [Xen-users] Eval XEN 3.2 - Provide disk with data for DomU

 

Hello, Kelly,

 

            Ad 1, - no idea, but I would be also interested very much in that question. As far as I know, You can use another driver in the xen configuration:

Instead of

 

vif = [ 'type=ioemu, mac=aa:00:b0:00:00:11, bridge=xenbr0' ]

 

use something like

 

vif = [ 'type=ioemu, mac=00:16:3e:00:00:11, bridge=xenbr0, model=ne2k_pci' ]

 

- I’ve tested it some weeks ago, but as far as I remember, this reported me a different HW in Windows, but also only 100MBit...

 

            Ad 2, Following lines in the configuration file

disk = [ 'file:/xen/vserver/images/vm_w2k3srv.img,hda,w',

         'phy:/dev/hda,hdc:cdrom,r',

         'phy:/dev/sda1,ioemu:hdd,r' ]

 

            Offered me windows with 3 disks – first one system disk with windows system, second one CDROM, third one with the partition, which is NTFS formatted with some windows data, which are readable (and, this looks strange, but are also writable, even if I specified the parameter „r“ in the configuration above – is this OK?).

 

                        With regards,

 

                                   Archie

 

---

From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Kelly KKS. SACAULT
Sent: Saturday, April 14, 2007 2:25 AM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Eval XEN 3.2 - Provide disk with data for DomU
Importance: High

 

 Hi,

I am very new to XEN, as to Linux OS too.

 

Our organization has about 25 Windows 2003 Servers.

I am willing to consolidate as many servers as possible. For this project, I have been testing Xen v3.2 (upgraded from a v3.1) for about 2 months only.

My current test plateform consist of one PC with C2D cpu, 2 Go RAM, and 1 SATA2 disk. I have XEN 3.2 running, and 2 VM guest (windows 2003) running also. At this stage, I would like to submit the 2 “problems” below.

 

Problem 1 : The Xen Host has a 1000BT Lan card. Within the VMs, le PV Nics only show 100 Mbps. Is there any way to have the PV Nics run at 1 Gbps ?

 

Problem 2 : I have added a 2^nd SATA2 disk already formatted in NTFS and populated with data. I want at least 1 VM (win2003) to be able to access that disk and share its content to all Lan clients.

At Xen console the command ‘fdisk –l’ shows this additional disk. What are the other steps to have the whole disk shown under a given guest ?

 

Thanks in advance,

Kelly SACAULT

IT Manager

French Polynesia Presidency

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