From: "Óscar de Arriba" <oscar@dearriba.es>
To: "Alain Péan" <alain.pean@c2n.upsaclay.fr>,
"Proxmox VE user list" <pve-user@lists.proxmox.com>
Subject: Re: [PVE-User] Thin LVM showing more used space than expected
Date: Wed, 28 Dec 2022 19:22:52 +0100 [thread overview]
Message-ID: <4720409e-c9f6-442d-b6c6-0e2f006c4b17@app.fastmail.com> (raw)
In-Reply-To: <8f8156db-ec51-a426-3146-3fcf843b5699@c2n.upsaclay.fr>
> 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
next prev parent reply other threads:[~2022-12-28 18:23 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-27 17:54 Óscar de Arriba
2022-12-28 10:52 ` Alain Péan
2022-12-28 11:19 ` Óscar de Arriba
2022-12-28 12:17 ` Alain Péan
2022-12-28 18:22 ` Óscar de Arriba [this message]
[not found] <mailman.3.1672225201.17323.pve-user@lists.proxmox.com>
2022-12-28 11:44 ` Óscar de Arriba
[not found] ` <b462e244-86a1-eada-c50b-4361f037dc1e@holub.co.at>
2022-12-29 10:48 ` Óscar de Arriba
2022-12-29 16:58 ` Óscar de Arriba
2022-12-30 9:52 ` Tom Weber
2023-01-02 9:56 ` Óscar de Arriba
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