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From Asai <a...@globalchangemusic.org>
Subject RE: 1 Pod Host Offline, All VMs Shut Down
Date Sat, 18 Mar 2017 00:40:18 GMT
Ok, but why would all the VMs shut down? Is that an expected behavior?

On March 17, 2017 5:15:46 PM MST, Simon Weller <sweller@ena.com> wrote:
>So check your switch logs. It's possible all your switch ports went
>into blocking mode when you lost the interswitch fiber patch.
>
>Simon Weller/615-312-6068
>
>-----Original Message-----
>From: Asai [asai@globalchangemusic.org]
>Received: Friday, 17 Mar 2017, 6:56PM
>To: users@cloudstack.apache.org [users@cloudstack.apache.org]
>Subject: RE: 1 Pod Host Offline, All VMs Shut Down
>
>Haven't configured that... [facepalm]
>
>On March 17, 2017 4:46:24 PM MST, Simon Weller <sweller@ena.com> wrote:
>>Which switch is root bridge for spanning tree?
>>
>>Simon Weller/615-312-6068
>>
>>-----Original Message-----
>>From: Asai [asai@globalchangemusic.org]
>>Received: Friday, 17 Mar 2017, 6:29PM
>>To: users@cloudstack.apache.org [users@cloudstack.apache.org]
>>Subject: Re: 1 Pod Host Offline, All VMs Shut Down
>>
>>Yes, the cable was a fiber cable connecting two switches, one which
>>connects host 1 and PS 1 (NFS share running on host 1), and the other
>>switch connects host 2 and PS 2 (NFS share running on host 2).
>>
>>
>>On 2017-03-17 4:04 PM, Simon Weller wrote:
>>> So was this cable connecting a couple of switches together? I'm
>>confused when you say a single cable was connecting 4 devices, unless
>>there is a switch or multiple switches involved. Is the primary
>storage
>>NFS?
>>>
>>> Simon Weller/615-312-6068
>>>
>>> -----Original Message-----
>>> From: Asai [asai@globalchangemusic.org]
>>> Received: Friday, 17 Mar 2017, 6:00PM
>>> To: users@cloudstack.apache.org [users@cloudstack.apache.org]
>>> Subject: Re: 1 Pod Host Offline, All VMs Shut Down
>>>
>>> KVM, and the damaged cable connected host 2 and PS 2 back to the
>host
>>1
>>> and PS 1.  Does that give you enough info to work with?
>>>
>>>
>>> On 2017-03-17 3:55 PM, Simon Weller wrote:
>>>> What hypervisor are you using and what did the damaged cable
>>connect?
>>>>
>>>> Simon Weller/615-312-6068
>>>>
>>>> -----Original Message-----
>>>> From: Asai [asai@globalchangemusic.org]
>>>> Received: Friday, 17 Mar 2017, 5:45PM
>>>> To: users@cloudstack.apache.org [users@cloudstack.apache.org]
>>>> Subject: 1 Pod Host Offline, All VMs Shut Down
>>>>
>>>> Greetings,
>>>>
>>>> I have 2 hosts in a pod, and 3 primary storage shares. I just ran
>>into
>>>> an issue where a cable accidentally got damaged which took host 2
>>>> offline and primary storage 2 offline, but ALL of my VMs shut down
>>>> spontaneously.  Weird, because only half of my VMs are running on
>>host 2
>>>> and primary storage 2.  Even the VMs on host 1 and primary storage
>1
>>>> shut down.  Can anyone shed light on why this would have happened
>>and
>>>> how I can avoid this in the future?
>>>>
>>>> Much thanks,
>>>> Asai
>>>>
>>>>
>>>
>
>--
>Asai

-- 
Asai
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