Re: [Xen-users] SCSI disk format fails on domU(w2k3)

[Sadique Puthen <sputhenp@xxxxxxxxxx>]

Kędziora Marek wrote:
> Hi,
>
> I have problem with scsi disk devices in HVM domU that works under Windows 2003 
> Server. Xen works under CentOS5. My setup looks like this:
>
> disk = [ 'phy:/dev/sda,hda,w' ,
>        'phy:/dev/sdb,sda,w']
>          'file:/var/images/sample.img,sdb,w' ]
>   
The version of xen shipped with centos5 does not support scsi emulation 
for disk IO for hvm. So it shouldn't work.  I heard that the latest 
upstream tree has support for it. Don't know whether 3.2 has it or not.
--Sadique

> [whole config file at the end of this post]
>
> In domU I can initiate disk and create partition on sda and sdb, but formatting 
> disk is very slow and finishes with error:
>
> ------
> C:\Documents and Settings\Administrator>format d: /fs:fat32
> The type of the file system is RAW.
> The new file system is FAT32.
>
> WARNING, ALL DATA ON NON-REMOVABLE DISK
> DRIVE D: WILL BE LOST!
> Proceed with Format (Y/N)? y
> Verifying 1019M
> Invalid media or Track 0 bad - disk unusable.
>
> C:\Documents and Settings\Administrator>format d: /fs:ntfs
> The type of the file system is RAW.
> The new file system is NTFS.
>
> WARNING, ALL DATA ON NON-REMOVABLE DISK
> DRIVE D: WILL BE LOST!
> Proceed with Format (Y/N)? y
> Verifying 1019M
> Volume label (32 characters, ENTER for none)? quorum
> Creating file system structures.
> Format failed.
> ------
>
> When I change configuration to export second and third disk as hd (hdb and hdc) 
> format is very fast and completes successfully.
>
> Another thing is that as I remember I was not able to install those Windows on 
> sd partition (so it works on hda). BIOS loader could not find boot partition.
>
> Config file for domU:
> import os, re
> arch = os.uname()[4]
> if re.search('64', arch):
>     arch_libdir = 'lib64'
> else:
>     arch_libdir = 'lib'
> kernel = "/usr/lib/xen/boot/hvmloader"
> builder='hvm'
> memory = 512
> shadow_memory = 8
> name = "wire1"
> uuid = "00000000-0000-0000-0000-000000000001"
> acpi=1
> apic=1
> vif = [ 'type=ioemu, bridge=xenbr0, mac=00:16:3e:00:00:01' , 'type=ioemu, 
> bridge=xenbr700, mac=00:16:3e:00:00:02']
> disk = [ 'phy:/dev/sda,hda,w' ,
>        'phy:/dev/sdb,sda,w']
>          'file:/var/images/sample.img,sdb,w' ]
> device_model = '/usr/' + arch_libdir + '/xen/bin/qemu-dm'
> boot="cda"
> sdl=0
> vnc=1
> vncpasswd=''
> stdvga=0
> usb=0
>
> Thanks in advance.
>
> Best regards,
> Marek Kedziora
>
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> http://lists.xensource.com/xen-users
>
>   

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