From users-return-18241-apmail-cloudstack-users-archive=cloudstack.apache.org@cloudstack.apache.org Wed Oct 22 16:56:04 2014 Return-Path: X-Original-To: apmail-cloudstack-users-archive@www.apache.org Delivered-To: apmail-cloudstack-users-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 28E651740D for ; Wed, 22 Oct 2014 16:56:04 +0000 (UTC) Received: (qmail 51907 invoked by uid 500); 22 Oct 2014 16:56:03 -0000 Delivered-To: apmail-cloudstack-users-archive@cloudstack.apache.org Received: (qmail 51854 invoked by uid 500); 22 Oct 2014 16:56:03 -0000 Mailing-List: contact users-help@cloudstack.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: users@cloudstack.apache.org Delivered-To: mailing list users@cloudstack.apache.org Received: (qmail 51830 invoked by uid 99); 22 Oct 2014 16:56:02 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 22 Oct 2014 16:56:02 +0000 X-ASF-Spam-Status: No, hits=2.2 required=5.0 tests=HTML_MESSAGE,SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of andrei@arhont.com designates 178.248.108.132 as permitted sender) Received: from [178.248.108.132] (HELO mail.arhont.com) (178.248.108.132) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 22 Oct 2014 16:55:36 +0000 Received: from localhost (localhost [127.0.0.1]) by mail1.arhont.com (Postfix) with ESMTP id 2C7B4980116 for ; Wed, 22 Oct 2014 17:55:36 +0100 (BST) Received: from mail.arhont.com ([127.0.0.1]) by localhost (mail1.arhont.com [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id zaN871jD24nR for ; Wed, 22 Oct 2014 17:55:31 +0100 (BST) Received: from localhost (localhost [127.0.0.1]) by mail1.arhont.com (Postfix) with ESMTP id 5418C98013A for ; Wed, 22 Oct 2014 17:55:31 +0100 (BST) X-Virus-Scanned: amavisd-new at arhont.com Received: from mail.arhont.com ([127.0.0.1]) by localhost (mail1.arhont.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id KIvTYNuXPQZp for ; Wed, 22 Oct 2014 17:55:31 +0100 (BST) Received: from mail1.arhont.com (mail1.arhont.com [178.248.108.132]) by mail1.arhont.com (Postfix) with ESMTP id 2CE18980116 for ; Wed, 22 Oct 2014 17:55:31 +0100 (BST) Date: Wed, 22 Oct 2014 17:55:31 +0100 (BST) From: Andrei Mikhailovsky To: users@cloudstack.apache.org Message-ID: <2668752.9551.1413996929658.JavaMail.andrei@tuchka> In-Reply-To: References: <1789018201.1383263.1413988756256.JavaMail.zimbra@saao.ac.za> <1025288215.1383666.1413989630474.JavaMail.zimbra@saao.ac.za> Subject: Re: HA issue and Xen resets MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_9550_33289062.1413996929658" X-Mailer: Zimbra 8.0.7_GA_6021 (Zimbra Desktop/7.2.5_12038_Linux) Thread-Topic: HA issue and Xen resets Thread-Index: Ac/uF71TEYLcbx6ZRhSK911bggDiIaClvSl2 X-Virus-Checked: Checked by ClamAV on apache.org ------=_Part_9550_33289062.1413996929658 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Yes, works perfectly well and pretty quick. Andrei ----- Original Message ----- > From: "Sam Ceylani" > To: users@cloudstack.apache.org > Sent: Wednesday, 22 October, 2014 5:46:42 PM > Subject: RE: HA issue and Xen resets > Can you live migrate guest machine to another xenserver host? > -----Original Message----- > From: Garith Dugmore [mailto:garith@saao.ac.za] > Sent: Wednesday, October 22, 2014 10:54 AM > To: users@cloudstack.apache.org > Subject: HA issue and Xen resets > Hi All, > I'm new to cloudstack and busy testing out ACS 4.3.1 on Centos 6.4 > using Xenserver 6.2. I have the management server setup and have 2 > xen servers that I'm testing out at the moment; specifically the HA > functionality. > After getting an instance up and running I yanked the network cable > out of the one xen server and awaited the HA awesomeness to kick in. > Both hosts still remained in "Up" state even though the one was no > longer pingable and the instance that was hosted on that xen host > still showed "Running" even though I also couldn't ping it. After > some reading one suggestion was setting 'alert.wait' to 30 and > restarting cloudstack-management. After that didn't seem to do > anything after waiting a while I rebooted the management server all > together and found that both hosts were marked as disconnected. > I've tried going in and out of maintenance mode and ended up deleting > the one xen host that was still reachable thinking I could just > re-add it but I received an error in doing so. I have read somewhere > that once you've either reinstalled the management server or removed > a xen host you need to re-install the xen host. Is this true? I was > hoping for a factory reset command of some sort. > Besides my obvious HA problems and host disconnect issues which I'd > love some pointers on are there any pointers on Xen server resets? > Note I have attempted a 4.4.0 install on centos and after a couple > issues that I can no longer recall I ended up with a way easier > install on 4.3.1 which is why I've stuck with it for now. > Any pointers will be greatly appreciated. Willing to try anything! > -- > Garith Dugmore > South African Astronomical Observatory > and Southern African Large Telescope ------=_Part_9550_33289062.1413996929658--