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Wed, 28 Dec 2022 13:23:13 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.7.0-alpha0-1185-g841157300a-fm-20221208.002-g84115730 Mime-Version: 1.0 Message-Id: <4720409e-c9f6-442d-b6c6-0e2f006c4b17@app.fastmail.com> In-Reply-To: <8f8156db-ec51-a426-3146-3fcf843b5699@c2n.upsaclay.fr> References: <c9aa3de9-01e8-4728-8344-6452c1bb0f3e@app.fastmail.com> <5b795a94-ebd3-7793-a7c3-4567cd1b04f0@c2n.upsaclay.fr> <41f85334-834c-4534-916d-39bf5e382c75@app.fastmail.com> <8f8156db-ec51-a426-3146-3fcf843b5699@c2n.upsaclay.fr> Date: Wed, 28 Dec 2022 19:22:52 +0100 From: =?UTF-8?Q?=C3=93scar_de_Arriba?= <oscar@dearriba.es> To: =?UTF-8?Q?Alain_P=C3=A9an?= <alain.pean@c2n.upsaclay.fr>, "Proxmox VE user list" <pve-user@lists.proxmox.com> 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 HTML_MESSAGE 0.001 HTML included in message JMQ_SPF_NEUTRAL 0.5 SPF set to ?all RCVD_IN_DNSWL_LOW -0.7 Sender listed at https://www.dnswl.org/, low trust RCVD_IN_MSPIKE_H3 0.001 Good reputation (+3) RCVD_IN_MSPIKE_WL 0.001 Mailspike good senders SPF_HELO_PASS -0.001 SPF: HELO matches SPF record SPF_PASS -0.001 SPF: sender matches SPF record Content-Type: text/plain X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: Re: [PVE-User] Thin LVM showing more used space than expected X-BeenThere: pve-user@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE user list <pve-user.lists.proxmox.com> List-Unsubscribe: <https://lists.proxmox.com/cgi-bin/mailman/options/pve-user>, <mailto:pve-user-request@lists.proxmox.com?subject=unsubscribe> List-Archive: <http://lists.proxmox.com/pipermail/pve-user/> List-Post: <mailto:pve-user@lists.proxmox.com> List-Help: <mailto:pve-user-request@lists.proxmox.com?subject=help> List-Subscribe: <https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user>, <mailto:pve-user-request@lists.proxmox.com?subject=subscribe> X-List-Received-Date: Wed, 28 Dec 2022 18:23:26 -0000 > I saw that they are Crucial SATA SSD directly attached on the motherboard. What kind of filesystem do you have on these SSDs ? Can you run pveperf on /dev/mapper/pveroot to see what are the performances ? It is using LVM with ext4 for the root filesystem and the data storage is using LVM-Thin. root@venom:~# blkid /dev/sdj2: UUID="7B86-9E58" BLOCK_SIZE="512" TYPE="vfat" PARTUUID="f4324ec9-c95e-4963-9ea9-5026f8f3fcae" /dev/sdj3: UUID="16ioTj-mei2-pqZI-bJWU-myRs-AF5a-Pfw03x" TYPE="LVM2_member" PARTUUID="d2528e8f-7958-4dc1-9960-f67999b75058" /dev/mapper/pve-swap: UUID="0fbe15d8-7823-42bc-891c-c131407921c7" TYPE="swap" /dev/mapper/pve-root: UUID="6bef8c06-b480-409c-8fa0-076344c9108d" BLOCK_SIZE="4096" TYPE="ext4" /dev/sdj1: PARTUUID="70bb576f-ab3a-4867-ab2e-e9a7c3fb5a15" /dev/mapper/pve-vm--150--disk--1: PTUUID="90e3bde4-d85c-46cb-a4b9-799c99e340c6" PTTYPE="gpt" /dev/mapper/pve-vm--201--disk--1: PTUUID="cb44eeb1-db0d-4d42-8a14-05077231b097" PTTYPE="gpt" root@venom:~# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert data pve twi-aotz-- 377.55g 96.60 1.55 root pve -wi-ao---- 60.00g swap pve -wi-ao---- 4.00g vm-150-disk-0 pve Vwi-a-tz-- 4.00m data 14.06 vm-150-disk-1 pve Vwi-a-tz-- 128.00g data 100.00 vm-201-disk-0 pve Vwi-aotz-- 4.00m data 14.06 vm-201-disk-1 pve Vwi-aotz-- 40.00g data 75.89 Regarding pveperf: root@venom:~# pveperf /dev/mapper/pve-root CPU BOGOMIPS: 211008.96 REGEX/SECOND: 1983864 HD SIZE: 58.76 GB (/dev/mapper/pve-root) BUFFERED READS: 338.10 MB/sec AVERAGE SEEK TIME: 0.09 ms open failed: Not a directory root@venom:~# pveperf ~/ CPU BOGOMIPS: 211008.96 REGEX/SECOND: 2067874 HD SIZE: 58.76 GB (/dev/mapper/pve-root) BUFFERED READS: 337.51 MB/sec AVERAGE SEEK TIME: 0.09 ms FSYNCS/SECOND: 679.87 DNS EXT: 128.22 ms DNS INT: 127.51 ms Thanks, Oscar