cloudstack-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Yitao Jiang <willier...@gmail.com>
Subject Re: question about ha.tag
Date Fri, 19 Jun 2015 09:24:50 GMT
How many hosts do you have?
AS 4.2.1, if host and ha tag set, the system vm will be created on none
tagged hosts. And if you only have one host, i suppose that is correct
problem.
BTW, what allocate algorithm are you using?


---
Thanks,
Yitao(依涛 姜)
jiangyt.github.io

On Thu, Jun 18, 2015 at 9:59 AM, Firxiaowork <firxiaowork@gmail.com> wrote:

> Hi all:
>         My test environment is  4.4.3 + kvm . and only has one agent.
>         I am in a puzzle about the ha.tag.
>
>         when I set ha.tag to “ha” and set host tag to “ha” too.
>         the systemvm just can’t start, and can’t crete new vm which use no
> host tag offering.
>         log like this:
>        … Checking resources in Cluster: 1 under Pod: 1
>     ...ctx-51a5fe9e FirstFitRoutingAllocator) Looking for hosts in dc: 1
> pod:1  cluster:1
>     ... FirstFitAllocator has 0 hosts to check for allocation: []
>     ...Found 0 hosts for allocation after prioritization: []
>     ...Looking for speed=500Mhz, Ram=256
>     ...Host Allocator returning 0 suitable hosts
>     ...No suitable hosts found
>     ...No suitable hosts found under this Cluster: 1
>     ...Could not find suitable Deployment Destination for this VM under
> any clusters, returning.
>
>
>
>         I have tried to clear host tag, everything worked well!
>         and I have tried with clear ha.tag and keep host tag to “ha” .
> everything worked well!!
>
>         but I saw this in
> https://cwiki.apache.org/confluence/display/CLOUDSTACK/Host+tags+and+Storage+tags
> <
> https://cwiki.apache.org/confluence/display/CLOUDSTACK/Host+tags+and+Storage+tags
> >
>         "“If  offerings are tagged, then only the host with matching tag
> will be chosen.
>          But while deploying a VM with a non-tagged service offering,
>          we consider both untagged and tagged hosts.
>          So a VM with non-tagged offering may reside on a tagged host.
> Same goes with storage pools.”"
>
>          maybe I don’t fully understood the ha.tag ,
>           is there must have untagged ha.tag hosts and tagged.ha hosts in
> cluster if I set ha.tag?
>          or If I let all hosts tagged ha tag ,I have to change all
> offering with host tag ?
>
>
>
>
>
> thank you!
>
> ----------
> Firxiao
>
>
>
>
>
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message