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Re: NetBSD - Remus.
On 15/01/14 23:04, matthew sporleder wrote:
> On Wed, Jan 15, 2014 at 4:40 PM, Manuel Bouyer
> <bouyer%antioche.eu.org@localhost> wrote:
>> On Wed, Jan 15, 2014 at 03:30:25PM +0000, Adiel wrote:
>>> Hi again.
>>> Nice to meet all you.
>>> Even if other distros like Debian with Openstack for example will be
>>> promising in Virtualization world.
>>> I still prefer work with NetBSD, because of things like stability,
>>> performance and simplicity.
>>> I am very interested in NetBSD with Remus.
>> What is remus ?
>>> Is the project mature/stable, where can I search for documentation?
>> If you mean NetBSD/Xen, there is some documentation here:
>> Manuel Bouyer <bouyer%antioche.eu.org@localhost>
>> NetBSD: 26 ans d'experience feront toujours la difference
> I think he means this:
> Remus provides transparent high availability to ordinary virtual
> machines running on Xen. It does this by continually live migrating a
> copy of a running VM to a backup server, which automatically activates
> if the primary server fails. Key features:
> The backup VM is an exact copy of the primary VM
> (disk/memory/network). When failure occurs, the VM continues running
> on the backup host as if failure had never occurred.
> The backup is completely up-to-date: even active TCP sessions are
> maintained without interruption.
> Protection is transparent: existing guests can be protected without
> modifying them in any way.
AFAIK Remus is designed to work with Linux specific tools, like tc and
libnl3. Not sure if there's something similar on NetBSD to do the kind
of network buffering that's required for Remus. Also Remus is only
supported with xend, there is an ongoing upstreaming effort to bring
Remus support to libxl:
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