Hello,
I am experiencing an issue while trying to download the CentOS template.
It seems the connection is timing out and then failing.
To debug I logged into the SSVM and tried running a wget from the nfs directory
mounted on that vm. This also failed due to connection reset.
Wget will ev
Hello, Paul.
Yes, I see and realize the aftermath and actually I just haven't realized
the thing about get_lock, because main documentation (
http://docs.cloudstack.apache.org/projects/cloudstack-installation/en/4.9/management-server/)
didn't mention that ACS requirement, and as I said before I wa
Hi Ivan,
Load balancer is a generic term, it doesn't have to distribute load evenly. In
the case of a Galera cluster, it would have a primary galera node to send
traffic to, the other nodes would be fail over options.
Every production environment should have a failover option for the MySQL
da
By failover as requirement, do you mean master-master replication and
transparent DB access for ACS?
On Tue, Jul 18, 2017 at 1:14 PM, Ivan Kudryavtsev
wrote:
> Hi, Paul. Thanks for advice. It seems that load balance is not an option
> and the failover is the only case.
> By the way does anyone t
Hi, Paul. Thanks for advice. It seems that load balance is not an option
and the failover is the only case.
By the way does anyone tried, thought about implementing the case with
Zookeeper functionality?
As I said, I personally haven't met the situation when load balancing
required or even failove
Be careful with your load-balancing Ivan - Since CloudStack relies on MySQL’s
GET_LOCK and RELEASE LOCK, multi-master isn't supported.
http://www.shapeblue.com/how-to-deploy-high-availability-cloudstack-with-mariadb-galera-cluster/
Kind regards,
Paul Angus
paul.an...@shapeblue.com
www.shape
Hello, community.
A person asked me whether i have experience of deploying ACS 4.9 with
Galera HA cluster and after I answered - "I don't" I decided to try because
I was unable to find relevant new article I wrote it as well. It explains
how to deploy ACS 4.9.2 to Galera in CentOS 7. I published i
Apology for fragmented messages, in existing framework cloudstack does not
know for certain if your VMs are dead, or KVM hypervisor crashed, or its
just a network blip, or perhaps you stopped kvm agent (or agent died). It
takes a conservative approach and does not re-start the VMs on other
hypervis
What share primary storage backend do you have for your VMs?
If it is NFS - cloudstack agent writes heartbeat. When issue occurs - the
neighbor hosts will check if the hypervisor that failed - still writes to
heartbeat file. There are bunch of corner case where cloudstack HA does not
kick in - due
Hi Victor
We recently rewrote KVM HA framework. Its being merged into latest build.
On Tue, Jul 18, 2017 at 5:39 AM, victor wrote:
> Hello Guys,
>
> I am facing the same issue that mentioned in the following url .
>
> -
>
> https://issues.apache.org/jira/browse/CLOUDSTACK-3535
Hello Guys,
I am facing the same issue that mentioned in the following url .
-
https://issues.apache.org/jira/browse/CLOUDSTACK-3535
-
When the host is put in maintenance mode , then ha enabled VM's are
automatically migrated to available host. But when the kvm ho
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