Re: [Xen-users] Get parameters from dom0 to domu on domu start

[Todd Deshane <todd.deshane@xxxxxxx>]

On Wed, Jul 27, 2011 at 8:27 AM, eugene.istomin
<eugene.istomin@xxxxxxxxx> wrote:
> Hello,
>
> I have a question about dom0<->domu xenstore interaction.
>
> Assume, we have some pv domu with some logic inside
> (like
> "if grep -Fxq "echo noop > \/sys\/block\/$DISK\/queue\/scheduler"
> $INIT_BOOTLOCAL
> then
>  echo "$DISK exist in $INIT_BOOTLOCAL"
> else
>  echo "echo noop > \/sys\/block\/$DISK\/queue\/scheduler" >>
> $INIT_BOOTLOCAL
> fi "
> )
>
> 'Cos of many gw/mtu/zabbix/bacula parameters we need to know all of this
> parameters on domu side before init 1. Assume we have some xenstore custom
> structure in xenstore, that describes thoose parameters.
>
> Is it possible to run some custom script from dom0 on domu start which:
> 1) get some extra info form config file (network name, domain name, etc)
> 2) copy some parameters from one xenstore tree (custom) to another
> (/local/$domid)?
>
> AFAK 1) is resolved by extra=".." in xm/xl config
> What about 2)?
>

To me this sounds like a better xen-devel question, see:
http://wiki.xensource.com/xenwiki/AskingXenDevelQuestions

Thanks,
Todd

-- 
Todd Deshane
http://www.linkedin.com/in/deshantm
http://www.xen.org/products/cloudxen.html
http://runningxen.com/

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