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DRBD inside a container [message #46273] Tue, 08 May 2012 10:42 Go to next message
Mark Olliver is currently offline  Mark Olliver
Messages: 11
Registered: September 2011
Junior Member
From: *parallels.com
Hi,

I need to create two openvz guests which have access to the DRBD.ko kernel module.

The first will be a drbd proxy guest, so it just needs to be able to load the module to access /proc/drbd after which it will be running the drbd proxy software to give us a drbd HA guest.

The second will be a drbd backup server so it will need to load the drbd module and run drbd inside the container talking to the lower level /dev/sda3 block device.

1, Is there a way to enable the guest to use the DRBD module?

2, I believe I can pass the sda3 device to the guest using vzctl set 101 --devnodes sda3:rw

Thanks for your help

Mark
Re: DRBD inside a container [message #46276 is a reply to message #46273] Tue, 08 May 2012 12:10 Go to previous message
svensirk is currently offline  svensirk
Messages: 9
Registered: March 2012
Location: Hamburg
Junior Member
From: *parallels.com
Hi,

Why trouble around with activating DRBD in the CT ?
If you have the CTs running on 2 different Hosts let the Hosts do the
DRBD stuff and simply mount the DRBD partitions into the CTs.
I might be misunderstanding your request. So please forgive me if this
advise total rubbish :-)

regards,

Sirk

2012/5/8 Mark Olliver <mark.olliver@thermeon.com>:
> Hi,
>
> I need to create two openvz guests which have access to the DRBD.ko kernel module.
>
> The first will be a drbd proxy guest, so it just needs to be able to load the module to access /proc/drbd after which it will be running the drbd proxy software to give us a drbd HA guest.
>
> The second will be a drbd backup server so it will need to load the drbd module and run drbd inside the container talking to the lower level /dev/sda3 block device.
>
> 1, Is there a way to enable the guest to use the DRBD module?
>
> 2, I believe I can pass the sda3 device to the guest using vzctl set 101 --devnodes sda3:rw
>
> Thanks for your help
>
> Mark
>
>
>
>
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