Proxmox ext4 vs xfs.
Oct 30, 2024 · Proxmox EXT4 vs.
Proxmox ext4 vs xfs BTRFS is a modern copy on write file system natively supported by the Linux kernel, implementing features such as snapshots, built-in RAID and self healing via checksums for data and metadata. Aug 11, 2025 · W tym artykule przedstawiono szczegółowe porównanie EXT4 i XFS, oceniając ich mocne i słabe strony oraz przydatność w konfiguracji Proxmox. Different file systems have different characteristics, performance, and limitations. Oct 6, 2015 · Just picked up an Intel Coffee Lake NUC. What other considerations should I take into account? Thank you to all who will help a PVE beginner! Dec 23, 2024 · ZFS vs Ext4 for Proxmox Boot Drives: What You Need to Know When setting up a Proxmox environment, one of the critical decisions you’ll face is choosing the right filesystem for your boot drive. Conclusion Choosing the file system that satisfies your specific application needs requires consultation and research of various parameters. Jan 15, 2024 · i have a question. Mar 26, 2023 · What are the pros and cons to use ZFS or ext4 on a single disk? I initially set it up with ZFS which seemed to work just fine however adds complexity for a newbie e. Would it be a good idea to install a recent debian on a software RAID1 with ext4 + LVM and install ProxmoxVE as mentioned here This would work but is not offically supported. It's boring, not flashy, and just stable, which is exactly what you want for the root partition. When choosing a file system, scalability, stability, and data integrity needs to be considered. XFS: Which One is More Suitable for You? A file system is a method used by an operating system to manage and store data. Any recommendations or insights would be greatly appreciated! *I can’t only choose between EXT4 and XFS and it’s only a single 2TB disk! Oct 6, 2015 · A discussion thread about the pros and cons of XFS and EXT4 file systems for Proxmox VE, a virtualization platform. CoW ontop of CoW should be avoided, like ZFS ontop of ZFS, qcow2 ontop of ZFS, btrfs ontop of ZFS and so on. Apr 4, 2023 · Ext4 is an outdated filesystem with limited filesystem size, limited inode numbers, no reflink block cloning support, no metadata special device support, regressing under parallel I/O load, inode generation take hours on raid volumes which mostly unknown to users as mkfs. I run some benchmarks using fio, to get an idea of how fast it is. Jun 19, 2024 · Hello, I'm getting ready to install PBS for the first time. EXT4 vs XFS (Boot Drive Only)? Hello, I'm getting ready to install PBS for the first time. I've ordered a single M. Make sure you have backups of important data and then experiment. Aug 29, 2023 · I am going to be setting up another Proxmox node on a device that doesn’t have the option of using ECC memory (HP Elitedesk 805 G6 with a Ryzen processor). Jun 24, 2025 · Proxmox Virtual Environment (Proxmox VE) offers flexible, integrated storage options that suit a wide range of workloads—from lightweight containers to performance-critical virtual machines. Would ZFS be the best filesystem to use or would XFS/ext4 be better? Apr 2, 2010 · ext4 is slow. My question is, since I have a single boot disk, would it make any difference if I have the boot disk formatted with ZFS? Are there any performance benefits with 1 or the other? Thanks. Understand which Linux file system suits your setup best. 2 NVMe SSD (1TB Samsung 970 Evo Plus). g. when I want to replace the disks. Jan 18, 2020 · Hi, Which filesystem is best for live migration and HA support in a Proxmox cluster: ext4, XFS, or ZFS? Thank you! Assuming that ZFS is the filesystem used for the Proxmox Host and the physical drives/storage, does it matter what filesystem I choose for the guest VMs? If for example, I were to have a VM that used BTRFS, would that conflict with or prevent Proxmox from taking advantage of ZFS capabilities (snapshots, compression, or zfs send/receive, for The Proxmox VE installer, which partitions the local disk (s) with ext4, XFS, BTRFS (technology preview), or ZFS and installs the operating system Proxmox VE Linux kernel with KVM and LXC support Complete toolset for administering virtual machines, containers, the host system, clusters and all necessary resources Web-based management interface Apr 12, 2021 · Which type of filesystem you prefer use or recommend on Proxmox host node? 48 votes ZFS 37. Since pbs is a VM, for the datastore I guess we can just choose any standard Unix file system (ext4, xfs or zfs) in one RAW or even QEMU VM disk (or even May 24, 2012 · I have seen a steady drop in performance with XFS in the kernels used since pve-3. XFS: ¿Cuál es el más adecuado para ti? Un sistema de archivos es un método utilizado por un sistema operativo para gestionar y almacenar datos. Understanding these options is key to building a scalable and resilient infrastructure. Wanted to run a few test VMs at home on it, nothing critical. For the Proxmox host, if you install it and use LVM-thin as root pool option in the Proxmox installer, it will automatically make a root partition in EXT4. does ZFS give you any Mar 11, 2024 · Would the fylesystem (eg ext4 or xfs) check its in-memory state with the disk before doing any writes? Or, since from the VM perspective storage has not been down, it would believe its in-memory filesystem layout, indexes and such are still valid and leading? Click to expand This is a beautifully thought out question. ext4 or xfs on a RAID or ZFS, BTRFS, or BCacheFS on disparate discs. Ext4: Which Linux File System Is Better? XFS and ext4 are two types of file systems that are common choices for partitioning. XFS is a mature filesystem (much older than ext4) that excels with larger files, such as you'd find more commonly in an enterprise environment. weniger/gar nicht bei SSD?) - stabil Sep 30, 2023 · Linux supports several different file systems including Ext4, Btrfs, and XFS. Aug 1, 2013 · Hi , I am installing proxmox 3 iso, in SSD, and connected 4x 2TB disk into the same server, configured software Raid 10 in linux for installing VM later. PVE does a LOT of small writes and that just kills commercial Jul 27, 2021 · For better decisions according filesystem choice I thought it would be a good thing to see the possibilities. Ist xfs performanter ohne funktionelle Einbußen Aug 19, 2025 · Use EXT4 on your 256GB NVMe drive for Proxmox root OS (lean, fast, stable). For this Raid 10 Storage (4x 2TB HDD Sata, usable 4TB after raid 10) , I am considering either xfs , ext3 or ext4 . I have a few questions: Without ECC memory and I better off going with ZFS or some other file system for the installation (ext4? BTRFS?) and why? If I install with a different file system, what Proxmox-specific features and functionality Jun 24, 2019 · I use one small virtual disk with one partition with ext4 and create another virtual disk if I need a data disk inside. It’s like choosing a basic model of a car when you’re learning to drive. 0, BTRFS is introduced as optional selection for the root file system. yes, even after serial crashing. I don't like the fact that there is no GUI to tune ZFS settings and things need to be handled via the terminal, but i guess this can be said about a ton of things with Proxmox. The only fully supported option is ZFS, btrfs is still technology preview: Dec 10, 2011 · We are setting up an on-premises remote pbs for our proper (bare metal) pbs server in a DataCenter: we opted for a pbs in a VM in proxmox. This machine only has a single NVME slot, so I'm using that for boot. Learn about performance, scalability, reliability, and more to make an informed decision for your Linux-based system. Various internet sources suggest that XFS is faster and better, but taking into account that they also suggest that EXT4 is faster than NTFS and I use NTFS as starting baseline, they are both better. It can scale higher than ext4, too, something also valued in enterprise. Unless you have a specific use case for ZFS inside the PBS VM, avoid it. 50% ext4 Jul 11, 2023 · This post compares XFS vs Ext4 in detail and tells their advantages and disadvantages. Oct 17, 2024 · Proxmox EXT4 vs. Struggling to decide between ZFS and EXT4 for your Proxmox server? This video dives into the pros and cons of each filesystem to help you make the best decision. Ideally, the PBS would run on its own hardware for best performance. Situation: Ceph as backend storage SSD storage Writeback cache on VM disk No LVM inside VM CloudLinux 7 Aug 13, 2024 · When choosing between XFS and EXT4 for Proxmox, it's important to consider the specific needs of your setup. Feb 11, 2016 · Hallo, ich weiss das das Thema schon ao alt wie Methusalem ist, aber ich stehe auch vor der Wahl xfs oder ext4. 12-11-pve) (more in bottom) Storage Type: Directory (ext4) Storage Path: /mnt/pve/Storage Filesystem: ext4 on /dev/sda1 Problem Description Proxmox allowed me to create a 1910 GB virtual RAW disk on a Directory storage that Apr 23, 2012 · Yesterday we tested performance of our Proxmox environment and discovered very low fsync rates. With so many options, it can be difficult to determine which file system is the best choice for a given scenario. Server Hetzner EX 4s Intel i7-2600 Quad-Core 32 GB DDR3 RAM 2 x 3 TB SATA 6 Oct 30, 2024 · Proxmox EXT4 vs. Diferentes sistemas de archivos tienen diferentes características, rendimiento y limitaciones. Jul 20, 2025 · Environment Proxmox Version: proxmox-ve: 8. Use ZFS for your RAID setup on the 2TB drives if you want redundancy and data integrity. These file systems have different features and performance characteristics that make them suitable for different use cases. What would be better or more efficient for KVM clients to run on top of this XFS or EXT4? May 20, 2017 · I am trying to decide between using XFS or EXT4 inside KVM VMs. To answer the LVM vs ZFS- LVM is just an abstract layer that would have ext4 or xfs on top, where as ZFS is an abstract layer, raid orchestrator, and filesystem in one big stack. iops is raised with a power of 4 and raw throughput has increased with a power of 2. I think there are a few other tweaks you can do to reduce the writes to the SSD. As a consequence I have migrated all my KVM's to ext4. My goal is not to over-optimise in an early stage, but I want to make an informed file system decision and stick with that. Compatibility: Since Proxmox is based on Debian Linux, and EXT4 is widely supported in the Linux world, you’ll have fewer compatibility issues. I know that the boot filesystem is completely independent of my storage filesystem (that is, I could use ext4 for the boot drive and ZFS mirroring for the actual Mar 12, 2012 · Hallo, dank einem Beitrag habe auf eine Frage von mir habe ich nun meinen Server auf ZFS umgestellt. If the need arises to have to mount the drive on a Windows machine, EXT4 can be read with additional utilities, but XFS cannot afaik. If it's worth it, I want to use ZFS for the boot/OS (excluding swap). We now use ext3 as this seems the fasted option. Aug 8, 2023 · Why use EXT4 with Proxmox? Simplicity: For beginners, EXT4 offers a straightforward setup without too many bells and whistles. XFS/EXT4 have been around a long time and considered "stable" and are good to start out as there is much documentation. Jan 1, 2025 · Discover the differences between XFS and EXT4 filesystems in our comprehensive blog post. 8. Apr 8, 2024 · Instead of setting up physical servers, I opted for Proxmox and created three VMs: one running Ubuntu Server with a secondary hard drive utilizing LVM+Ext4, another with ZFS, and a Debian desktop When installing Proxmox on each node, since I only had a single boot disk, I installed it with defaults and formatted with ext4. I have a single SSD which I want to use to store backups on. Nov 14, 2024 · - ext4: ext4 is the default fs for ProxmoxVE but I haven't tried this configuration yet. ZFS and BTRFS have some 11 votes, 44 comments. Here's a breakdown of both file systems based on th Nov 20, 2024 · For node (s) with a single disk (either HDD or SDD), what is best: ext4/LVM-Thin or ZFS? What the pros and cons for each? ZFS can replicate the VMs. Jul 28, 2011 · Have basic proxmox server using two drives in ZFS RAID1 like format. trueRegarding filesystems use ZFS only w/ ECC RAM ext4 or XFS are otherwise good options if you back up your config could go with btrfs even though it's still in beta and not recommended for production yet Regarding boot drives : Use enterprise grade SSDs, do not use low budget commercial grade equipment. Mar 8, 2025 · Choose between EXT4, XFS, ZFS and BTRFS ? Why ? Hi there! I'm not sure which format to use between EXT4, XFS, ZFS and BTRFS for my Proxmox installation, wanting something that once installed will perform well and hold up. Il détermine comment les données sont organisées et accessibles sur les dispositifs de stockage. This works great with newer linux distributions where partprobe works correctly. I'm in the process of configuring a Nextcloud virtual machine on my Proxmox server, and I've recently acquired a 2TB HDD. . Snapshots are available for both. It determines how data is organized and accessed on storage devices. Jan 24, 2024 · XFS vs. Jul 31, 2025 · The Proxmox VE installer, which partitions the local disk (s) with ext4, XFS, BTRFS (technology preview), or ZFS and installs the operating system Proxmox VE Linux kernel with KVM and LXC support Complete toolset for administering virtual machines, containers, the host system, clusters and all necessary resources Web-based management interface Jun 21, 2020 · XFS of ext4 should work fine. Learn about snapshots, replication, RAID, SSDs and more. Both aren't Copy-on-Write (CoW) filesystem. Jun 11, 2019 · Compared to XFS, Ext4 handles less file sizes for example maximum supported size for Ext4 in RHEL 7 is 16TB compared to 500TB in XFS. PBS - ext4 or ZFS backup datastore on a single disk? Hi, I'm learning so bear with me. Jan 21, 2019 · At the same time, ZFS is built into Proxmox and can be seamlessly deployed during installation. Nun stellt sich mir die Frage: XFS oder ext4 als Gast FS? Bisher war ich immer ein Freund von XFS: - defrag online möglich (auch unter Linux relevant; ggf. BTRFS is awesome but newer and I was a bit confused as I set it up on a SSD a week ago. Starting with Proxmox VE 7. Oct 15, 2023 · Users discuss the pros and cons of different file systems for Proxmox installation and configuration. ;-) Sorry to revive this old thread, but I had to ask: Am I wrong to think that the main reason for ZFS never getting into the Linux Kernel is actually a license problem? Oct 1, 2020 · Which file system do you suggest using ext4 or xfa? In the instalation. This article takes a closer look at them and explores their use cases. I've heard that EXT4 and XFS are pretty similar (what's the difference between the two?). when you configure a disk in PBS you can either create a zfs filesystem or a directory based on XFS or EXT4. Determina cómo se organizan y acceden los datos en los dispositivos de almacenamiento. I spun up another NFS storage node and formatted storage with Feb 10, 2023 · Hi All, I installed proxmox (using ext4 filesystem) on a 5212MB SATA SSD (used consumer-grade Sandisk SD8SB8U512G1001) to evaluate it. xfs is really nice and reliable. What I've seen suggested is ext4 for root/Proxmox, ZFS pool for the VMs, ext4 inside the VMs. Installing PVE or PBS on Single NVME Disk: ZFS vs. 0 (running kernel: 6. ZFS is often hyped for its Mar 23, 2018 · I'd go with the simplest possibility in that case -> ext4 or xfs. Mar 9, 2025 · Setting up Proxmox for the first time can feel overwhelming, especially when it comes to choosing the right filesystem and storage setup… Jun 19, 2025 · Compare the strengths of Ext4 vs Btrfs vs XFS vs ZFS. 1. Sep 7, 2024 · Don't mix funky filesystems like ZFS that can do their own RAID with hardware RAID - its a waste. Users share their opinions, experiences and recommendations based on performance, reliability and features. Neverthenone They can be created on already correctly formatted partitions, which should be either ext4 or xfs as with normal datastores, but most modern file systems supported by the Proxmox Linux kernel should work. XFS : Lequel est le plus adapté à vos besoins ? Un système de fichiers est une méthode utilisée par un système d'exploitation pour gérer et stocker des données. Journaling tracks filesystem write operations in a separate "journal" structure. Jan 22, 2016 · Hey All, Ran into strange scenario, I started with using shared NFS storage with the storage disks formatted with XFS, was seeing NFS locking timeouts with large file transfers and VM disk creations using qcow2, 20 Gig and above. Les différents systèmes de fichiers ont des caractéristiques, des performances et des limitations différentes. What are the pros and cons to use ZFS or ext4 on a single disk? I initially set it up with ZFS which seemed to work just fine however adds complexity for a newbie e. ext4 promt comes back like ready, should go into museum as all these bad's could be fulfilled easily with xfs. Ich betreibe schon seit 4 Jahren eigentlich zufrieden auf ext4 aber hin und wieder habe ich sehr zu kämpfen mit hohen IO Delays. I'm deciding between using the ext4 or xfs filesystem for this setup. Oct 30, 2024 · Proxmox EXT4 vs. I wouldn't go for ZFS on root although it is fully supported on Proxmox 6. We initially used ext4 which was a major issue on the current kernel. zfs is not for serious use (or is it in the kernel yet?). Tried all three Jul 4, 2022 · Here learn about Ext4 and XFS filesystems and seek to understand the differences between these two. So I see these possibilities: - ext4 (or xfs) and a separate swap partition on top of mdraid SW raid1 (taking the whole drives) - ext4 (or xfs) and a swap file on top of mdraid SW raid1 (taking the whole drives) Both XFS and EXT4 provide robust data integrity protection through journaling and checksums. Definitely also disable HA services and use log2ram. Don't overthink it when starting out with this stuff. 4. filesystem XFS BTRFS ZFS Compression with VDO layer inline / offline inline Deduplication offline inline / offline inline Metadata extern yes no yes, special device Nov 10, 2023 · The system must be able to boot even without one of the drives. fbtwovgcusbqjcgrdnthulebiwtdovhlpjikhuqiqkmuisgpejlztvaixbrsuzstbjhjemu