Re: [Xen-users] remus problem

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Mon, Aug 29, 2011 at 05:18:21PM +0800, 350608693 wrote:
>    hello,everybody,
>    i recently study on the remus,and install xen-4.2-unstable on cetos
>    5.5(x86_64),and the kernel version is 2.6.32.40.

There's a newer kernel already available for dom0, but dunno if that'll help.

Did you try the drbd backend for Remus?
http://wiki.xensource.com/xenwiki/Remus

I added CC to Shriram, maybe he can help..

-- Pasi

>    but i met a lot of problem,such as:
>    1)when using the configure "disk = [
>    'tap2:remus:backup:9000|aio:imgpath,xvda,w' ]",after a few minutes,the vm
>    looks just as dead and can NOT log in;
>    2)i install a centos hvm guest,and run the command "remus <domid>",error
>    message is as follow:
>    Disk is not replicated: tap:aio:/home/xen/tpl/hvm/base.img,xvda,w
>    Segmentation fault
>    3)i install a centos pv guest,the configure file is as follows:
>    name = "mailserver"
>    memory = "512"
>    disk = [ 'tap2:aio:/var/lib/xen/images/vmdisk.img,xvda,w', ]
>    #disk = [
>    
> 'tap2:remus:192.168.226.201:9000|aio:/var/lib/xen/images/vmdisk.img,xvda,w',
>    ]
>    #disk = [
>    'tap2:remus:server02:9000|aio:/var/lib/xen/images/vmdisk.img,xvda,w' ]
>    #vif = [ 'bridge=xenbr0', ]
>    #vif = [ "type=ioemu,bridge=eth0, mac=00:16:3e:38:9a:ff" ]
>    #vif=['']
>    bootloader="/usr/bin/pygrub"
>    vcpus=1
>    #on_reboot = 'destroy'
>    #on_crash = 'destroy'
>    on_reboot = 'restart'
>    on_crash = 'restart'
> 
>    it can boot properly.but when run the command "remus <domid>",the error
>    message is as follows:
>    Disk is not replicated: tap:aio:/var/lib/xen/images/vmdisk.img,xvda,w
>    WARNING: suspend event channel unavailable, falling back to slow xenstore
>    signalling
>    PROF: suspending at 1314608468.806815
>    PROF: resumed at 1314608468.828319
>    PROF: flushed memory at 1314608468.829534
>    PROF: suspending at 1314608469.022028
>    domain 9 not shut down
>    xc: error: Suspend request failed: Internal error
>    xc: error: Domain appears not to have suspended: Internal error
>    PROF: resumed at 1314608469.035179
> 
> 
>    i really do not know what to do next and how to address this problem.could
>    anybody tell me how to address them?
>    What's more,could anybody tell me how to install xen that supports remus
>    properly and how to install PV/HVM domains and the configure file in
>    details ?
> 
> 
>    I would really pleasure if you could give some advices, thanks lot!
> 
> 
> 
>     yours
> 
>    yunjie du

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