Xen users - Jun 2007 - Problems with Xen HVM image on DRBD filesystem

Hi,

I have been trying to create a xen HVM Centos4.4 image on centos 5  
with a DRBD filesystem installing from DVD. However I get an IO error  
on the filesystem during the centos installation process which then  
aborts.

The DRBD filesystem seem to be setup correctly and is functioning as  
a block device as I can mkfs -t ext3 /dev/drbd1 read and write  
without error.
If I replace the disk config to the raw partition like  disk =  
[ ''phy:/dev/sda2,hda,w'',
''phy:/dev/hdc,hdc:cdrom,r'', ] no problems
installs without a hitch.

My xen config is:
import os, re
arch = os.uname()[4]
if re.search(''64'', arch):
     arch_libdir = ''lib64''
else:
     arch_libdir = ''lib''
name = "centos"
builder = "hvm"
memory = "1024"
disk = [ ''phy:/dev/drbd1,hda,w'',
''phy:/dev/hdc,hdc:cdrom,r'', ]
vif = [ ''type=ioemu, mac=00:16:3e:36:41:01, bridge=xenbr0'', ]
uuid = "77af2763-8a95-6800-1e8a-d6b2bbc4912f"
device_model = "/usr/lib64/xen/bin/qemu-dm"
kernel = "/usr/lib/xen/boot/hvmloader"
vnc=1
vncunused=1
apic=1
acpi=1
pae=1
vcpus=2
serial = "pty" # enable serial console
on_reboot   = ''restart''
on_crash    = ''restart''
boot = ''d''

Am I barking up the wrong tree or have I misconfigured something? Any  
help would be appreciated.
Thanks,
Jai




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On Mo, Jun 04, 2007 at 02:07:15 +1000, jai lamerton
wrote:
> Hi,
> 
> I have been trying to create a xen HVM Centos4.4 image on centos 5  
> with a DRBD filesystem installing from DVD. However I get an IO error  
> on the filesystem during the centos installation process which then  
> aborts.
> 
> The DRBD filesystem seem to be setup correctly and is functioning as  
> a block device as I can mkfs -t ext3 /dev/drbd1 read and write  
> without error.
> If I replace the disk config to the raw partition like  disk =  
> [ ''phy:/dev/sda2,hda,w'',
''phy:/dev/hdc,hdc:cdrom,r'', ] no problems
> installs without a hitch.
> 
> My xen config is:
> import os, re
> arch = os.uname()[4]
> if re.search(''64'', arch):
>     arch_libdir = ''lib64''
> else:
>     arch_libdir = ''lib''
> name = "centos"
> builder = "hvm"
> memory = "1024"
> disk = [ ''phy:/dev/drbd1,hda,w'',
''phy:/dev/hdc,hdc:cdrom,r'', ]
> vif = [ ''type=ioemu, mac=00:16:3e:36:41:01,
bridge=xenbr0'', ]
> uuid = "77af2763-8a95-6800-1e8a-d6b2bbc4912f"
> device_model = "/usr/lib64/xen/bin/qemu-dm"
> kernel = "/usr/lib/xen/boot/hvmloader"
> vnc=1
> vncunused=1
> apic=1
> acpi=1
> pae=1
> vcpus=2
> serial = "pty" # enable serial console
> on_reboot   = ''restart''
> on_crash    = ''restart''
> boot = ''d''
> 
> Am I barking up the wrong tree or have I misconfigured something? Any  
> help would be appreciated.
Hello, 

if you haven''t solved your problem yet, 


please take a look at file /proc/drbd in the domain 0
when you''ll get IO-error message in the HVM domain.
> Thanks,
> Jai
> 
> 
> 
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
-- 
WBR, i.m.chubin


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