Thanks, Simon. But I still don't understand why the VMs that are on host 1 and connected to PS 1 would be affected by a disconnect of another host and storage that they're not dependent on. Will setting up the root switch for STP handle that issue?
On March 17, 2017 6:10:05 PM MST, Simon Weller <[email protected]> wrote: >If no network storage path was available, more than likely fencing >would occur. > > >Simon Weller/615-312-6068 > >-----Original Message----- >From: Asai [[email protected]] >Received: Friday, 17 Mar 2017, 7:40PM >To: [email protected] [[email protected]] >Subject: RE: 1 Pod Host Offline, All VMs Shut Down > >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 <[email protected]> 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 [[email protected]] >>Received: Friday, 17 Mar 2017, 6:56PM >>To: [email protected] [[email protected]] >>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 <[email protected]> >wrote: >>>Which switch is root bridge for spanning tree? >>> >>>Simon Weller/615-312-6068 >>> >>>-----Original Message----- >>>From: Asai [[email protected]] >>>Received: Friday, 17 Mar 2017, 6:29PM >>>To: [email protected] [[email protected]] >>>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 [[email protected]] >>>> Received: Friday, 17 Mar 2017, 6:00PM >>>> To: [email protected] [[email protected]] >>>> 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 [[email protected]] >>>>> Received: Friday, 17 Mar 2017, 5:45PM >>>>> To: [email protected] [[email protected]] >>>>> 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 -- Asai
