From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id 7DC9077664 for ; Wed, 28 Apr 2021 04:03:57 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 6317E24946 for ; Wed, 28 Apr 2021 04:03:27 +0200 (CEST) Received: from mail-ej1-x62e.google.com (mail-ej1-x62e.google.com [IPv6:2a00:1450:4864:20::62e]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS id DBE2D24937 for ; Wed, 28 Apr 2021 04:03:26 +0200 (CEST) Received: by mail-ej1-x62e.google.com with SMTP id u17so92329749ejk.2 for ; Tue, 27 Apr 2021 19:03:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=odiso-com.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding:content-language; bh=9WN4QGIzhMGmWnhMKfR/xKuwnRr83hy0A5e27R9hnqk=; b=YBOp+JYAwFMjKu4thG7qQFCiERnizTqtnycj97rFBINp5U7C2bzecwzZs/HWNJI4Vw 1moXZpyz0a8bgfQD0q9fkb/do/Dam9WFLEFSxtCeuS5LCd8zKN8pxIZvvsw+wRTdAOor jFplk0oxVQ4VhM6WWNexLtg+xucpFAi6MCxJ8Nl9fovpHnCeWCFHpcBEerfsDCq3ovF8 QOTAj1eYQ7YOpt7aiOAyvRrcspmDp+cQeyK3VqHwbuZz8idkklRJMDtSRwwL8TwBs/tU gr2w+Cuq+HJfsqKrtceQb3LoGiqoppdP7tIe2mfOUK4f9PFdQOQ5BArnSVa5yxLoCa1L a63w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=9WN4QGIzhMGmWnhMKfR/xKuwnRr83hy0A5e27R9hnqk=; b=GZcsYpE5C/I65ZgVQMzGXVSPDHO5SI01DRFDe9jRTHCd+PlTDjjdPwRS7V9w7bLNUU ofgoy7TCRarXqM3X19QnMsksAyFMSx94qiuRtmCJMBlILM4Q77RfXYLWJenAGxNSoOkG ftzjCiAEFyNCQ8SsibGRTNNeXyDkEIbZt9iJkuKRoU38lr21wqOGy3KPSH1n91kLgmIf +oSyhzKuY9FRkGdGw/XkpPidK0pA2+YOD2tOFEiv4Q8iPW/GH27xgm77kcZfnrXLPwVO skQVONKsD+JD1uYA7x4XG5NZWe2MflhzYz2WmyRQ9XIhCW5tdXlIT41yAmvZfLDyYtxK LO7w== X-Gm-Message-State: AOAM530wOasCIes83ClpIAQsK+CbnBI97pqZWvlIg/5IO8GX6r4SN19M UyEvrr3mHRcYKVPq0M2wRGQ1Kg== X-Google-Smtp-Source: ABdhPJwHaWAb4MRWMS8OtX+thVsIDO8p+nZJTMKQW836EBmc9FWifAdsroahPcgzd7+7p0Hdif5XlQ== X-Received: by 2002:a17:906:ecb8:: with SMTP id qh24mr27063535ejb.162.1619575400418; Tue, 27 Apr 2021 19:03:20 -0700 (PDT) Received: from [192.168.178.50] ([79.132.252.54]) by smtp.gmail.com with ESMTPSA id me3sm925357ejb.49.2021.04.27.19.03.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 27 Apr 2021 19:03:20 -0700 (PDT) To: Proxmox VE user list , JR Richardson References: From: alexandre derumier Message-ID: <807b442a-7b57-2918-986d-fda0db321b45@odiso.com> Date: Wed, 28 Apr 2021 04:03:19 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-SPAM-LEVEL: Spam detection results: 0 AWL 0.117 Adjusted score from AWL reputation of From: address DKIM_SIGNED 0.1 Message has a DKIM or DK signature, not necessarily valid DKIM_VALID -0.1 Message has at least one valid DKIM or DK signature NICE_REPLY_A -0.001 Looks like a legit reply (A) RCVD_IN_DNSWL_NONE -0.0001 Sender listed at https://www.dnswl.org/, no trust SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: Re: [PVE-User] Multi Data Center Cluster or Not X-BeenThere: pve-user@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE user list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Apr 2021 02:03:57 -0000 Hi, If you want same cluster on multiple datacenter, you really need low latency (for proxmox && storage), and at least 3 datacenters to keep quorum. if you need a 2dc datacenter, with 1 primary && 1 backup as disaster recovery you could manually replicate a zfs or ceph storage to the backup dc (with snapshot export/import), or other storage replication feature if you have a san like netapp for example and do an rsync of /etc/pve. On 27/04/2021 20:38, JR Richardson wrote: > Hi All, > > I'm looking for suggestions for geo-diversity using PROXMOX > Clustering. I understand running hypervisors in the same cluster in > multiple data centers is possible with high capacity/low latency > inter-site links. What I'm learning is there could be better ways, > like running PROXMOX backup servers (PBS) with Remote Sync. Using PBS > is interesting but would require manually restoring nodes should a > failure occur. > > I'm looking for best practice or suggestions in topology that folks > are using successfully or even tales of failure for what to avoid. > > Thanks. > > JR