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 4346F88F4 for ; Mon, 25 Apr 2022 16:08:15 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 380A8832B for ; Mon, 25 Apr 2022 16:08:15 +0200 (CEST) Received: from mail-lj1-x236.google.com (mail-lj1-x236.google.com [IPv6:2a00:1450:4864:20::236]) (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 429B58314 for ; Mon, 25 Apr 2022 16:08:14 +0200 (CEST) Received: by mail-lj1-x236.google.com with SMTP id m23so7150399ljc.0 for ; Mon, 25 Apr 2022 07:08:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=ydNzSCcSTiQ4pss5y+rOq9asbDXZxllHl9IFHMKf1XY=; b=j6/rUGYdt1nDsAy/PjK2A8iw0xsixHZXYar7GHmUBTvw7EjYOuI9l9ZSeJGL/ilmum bHOnGG9uygTo7zIUIIHP6dVbOcRBJ1r9CpyCGliqUkoHUZ7m5GokyKIGbGCCgnupgFhD +WM2X2bAzKA+49aIHoP2jpVCHT/WeaD9nh85ppFBeRAd4ZPgyk9yceT2/gqEeJ7DXMxt hSFatNQ1guAyw3c/WVP8eym8fwVlwXz+i09oYdTEmqIfibyCrsi/P7VZI21vyWRjKjkH YwRSSp6Jdz3sHc/xIK0XgIYSP51V98VN/LocA1OocI7gaehDjzNFYacuWcaYOADILmWQ fGww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=ydNzSCcSTiQ4pss5y+rOq9asbDXZxllHl9IFHMKf1XY=; b=udt+4ckLHoIl6Q2lKLAdFf66gVQrQ6AuzEaUz2xGWZZWFpG0mN5vYeBwfi7f3nKQMc +hU6Fz0+4lqR8QrNaDPrz9Eo6ACBjWtl5+Iq8zqzlJdD/NKgYjOboUOoS/Jj67GETm1M YriI2P26/DWAh/s/VA0Mr0/ENyKfCoqnJ7DAyt6UTQKWbf6nqA5amaUcaXGt7h07Xdt2 fzEO/JNhaNRS9U4tl8aNaqjNGnBo2X8Zn2k3f9sKye0kCeb+vwA8JoyX0IKLcdZaWwcB rVEbMQM8nWGPWQxoRlqgtU0K8+yxjxvXr7p+VAlNx9TF/cTbQ9xOj8rYYwyIK8PbYa1o 9pEw== X-Gm-Message-State: AOAM5330w1OF33K2ILaJZ6uSWzRUAxZGxy4lP6JkjKVtyqLAtTBRjcU+ vB5ixy5tnNj2EG13vHeAE321mlrcYWSqz+zfmA1X9LRG X-Google-Smtp-Source: ABdhPJwXQ5UXJcU65gHrSvuEhjVaw3t37zzgwJfqhLl4v1XbrKiQlptnQEkGSiNQA9Iyt1crtZwx96Ry5GJmBEI5IHc= X-Received: by 2002:a2e:a7d4:0:b0:24d:b0c3:9683 with SMTP id x20-20020a2ea7d4000000b0024db0c39683mr10989407ljp.472.1650895686121; Mon, 25 Apr 2022 07:08:06 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Sylvain Le Blanc Date: Mon, 25 Apr 2022 10:07:53 -0400 Message-ID: To: Proxmox VE user list X-SPAM-LEVEL: Spam detection results: 0 BAYES_00 -1.9 Bayes spam probability is 0 to 1% 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 DKIM_VALID_AU -0.1 Message has a valid DKIM or DK signature from author's domain DKIM_VALID_EF -0.1 Message has a valid DKIM or DK signature from envelope-from domain FREEMAIL_FROM 0.001 Sender email is commonly abused enduser mail provider HTML_MESSAGE 0.001 HTML included in message POISEN_SPAM_PILL_4 0.1 random spam to be learned in bayes 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 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: Re: [PVE-User] Disk performance test guidance... 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: Mon, 25 Apr 2022 14:08:15 -0000 ZFS RAIDZ Drive Requirements - RAID Z requires 3 drives or more - RAID Z2 requires 5 drives or more - RAID Z3 requires 8 drives or more https://raidcalculators.com/zfs-raidz-capacity.php Hope this help ! Le dim. 24 avr. 2022 14 h 40, Marco Gaiarin a =C3=A9crit : > > In a set of servers (some brand new dell T440 with 64GB or RAM, 2 500M SS= D > ZFS Raid 1, three 4TB HDD in ZFS raid3) we are catching some performance > issue, eg in some operation we catch 10/20 MB/s maximal performance, with > load that go sky high (load 40). > > > An example: a couple of identical servers, connected via single gigabit > connection. > I've setup on server B a NFS server on HDD ZFS pool, then a NFS type > storage > (on both servers, they are clustered). > > I've copied from my PC a PVE VM backup, roughly 500GB of data, via NFS to > server B: 80-90 MB/s, load 2-4. > > I've restored the VM on server A, thus *reading* data fron NFS, and > restoring again on HDD ZFS pool on server A: 10-20 MB/s transfer rate, lo= ad > at 40. > > > This make no sense to me. As subject say, there's some 'Disk performance > test > guidance' document, so i can test and find the bottleneck? > > > Thanks. > > -- > Consolatevi! Sul sito http://www.sorryeverybody.com migliaia di > americani > chiedono scusa al mondo per la rielezione di Bush. (da Cacao Elefant= e) > > > > _______________________________________________ > pve-user mailing list > pve-user@lists.proxmox.com > https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user > >