[DRBD-user] [DRBD-MC] Feature requests

Whit Blauvelt whit+drbd at transpect.com
Sat Apr 23 22:16:32 CEST 2011

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


> Funny that is something I was testing/fixing lately. I've uploaded a new
> version dmctest-0.9.1.dev.7.jar on
> 
> http://oss.linbit.com/drbd-mc/
> 
> where you can set the allow-migrate option. The timeouts will come soon in
> the next version.
> 
> BTW, the setting up and modifying of VMs in a cluster also didn't work
> properly, that has been fixed as well.

Hi Rasto,

Been playing with dmctest-0.9.1.dev.7.jar and I'm quite impressed. What I
don't quite understand is the allow-migrate option. I understand KVM live
migration, at least in an active-active context, but as far as I've found
poking around in dmctest even after allowing active-active there's no way to
set the mirror for that, or I'm missing it, or it has prerequisites I
haven't met before it appears. And I don't find where a live migration would
be initiated from - or is that just in failover that it would be triggered,
with perhaps a brief active-active window to accomplish it in?

The overall concept - as an alternative to virt-manager that understands
drbd and failover - is brilliant. Is there draft documentation for drbd-mc? 

Thanks,
Whit



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