Proxmox running ZFS. Aug 1, 2021. Will sagen, wenn Du mit hohen IO-Delay zu kämpfen hast, sorge für mehr IOPS (Verteilung auf mehr Spindeln, z. For example, if a BTRFS file system is mounted at /mnt/data2 and its pve-storage. Be sure to have a working backup before trying filesystem conversion. Select the Directory type. XFS uses one allocation group per file system with striping. If you're looking to warehouse big blobs of data or lots of archive and reporting; then by all means ZFS is a great choice. We tried, in proxmox, EXT4, ZFS, XFS, RAW & QCOW2 combinations. Privileged vs Unprivileged: Doesn't matter. XFS was more fragile, but the issue seems to be fixed. g. As in Proxmox OS on HW RAID1 + 6 Disks on ZFS ( RAIDZ1) + 2 SSD ZFS RAID1. Requierement: 1. BTRFS and ZFS are metadata vs. 2 Navigate to Datacenter -> Storage, click on “Add” button. If you use Debian, Ubuntu, or Fedora Workstation, the installer defaults to ext4. xfs 4 threads: 97 MiB/sec. 9 /sec. El sistema de archivos ext4 27. Active Member. Linux filesystems EXT4 vs XFS, what to choose, what is better. Dude, you are a loooong way from understanding what it takes to build a stable file server. 6. Watching LearnLinuxTV's Proxmox course, he mentions that ZFS offers more features and better performance as the host OS filesystem, but also uses a lot of RAM. Set. 6-pve1. Results seemed. With Discard set and a TRIM-enabled guest OS [29], when the VM’s filesystem marks blocks as unused after deleting files, the controller will relay this information to the storage, which. Ext4 ist dafür aber der Klassiker der fast überall als Standard verwendet wird und damit auch mit so ziemlich allem läuft und bestens getestet ist. Load averages on systems where load average with. on NVME, vMware and Hyper-V will do 2. You will need a ZIL device. When installing Proxmox on each node, since I only had a single boot disk, I installed it with defaults and formatted with ext4. Step 4: Resize / partition to fill all space. Proxmox VE Linux kernel with KVM and LXC support. One of the main reasons the XFS file system is used is for its support of large chunks of data. Meaning you can get high availability VMs without ceph or any other cluster storage system. Prior to EXT4, in many distributions, EXT3 was the default file-system. XFS mount parameters - it depends on the underlying HW. Storage replication brings redundancy for guests using local storage and reduces migration time. EarthyFeet. zaarn on Nov 19, 2018 | root | parent. QNAP and Synology don't do magic. So XFS is a bit more flexible for many inodes. and post the output here. Based on the output of iostat, we can see your disk struggling with sync/flush requests. ZFS combines a file system and volume manager, offering advanced features like data integrity checks, snapshots, and built-in RAID support. And then there is an index that will tell you at what places the data of that file is stored. I think. In Summary, ZFS, by contrast with EXT4, offers nearly unlimited capacity for data and metadata storage. . RAID. 对应的io利用率 xfs 明显比ext4低,但是cpu 比较高 如果qps tps 在5000以下 etf4 和xfs系统无明显差异。. But on this one they are clear: "Don't use the linux filesystem btrfs on the host for the image files. Remember, ZFS dates back to 2005, and it tends to get leaner as time moves on. Dom0 mostly on f2fs on NVME, default pool root of about half the qubes on XFS on ssd (didn’t want to mess with LVM so need fs supports reflinks and write amplification much less than BTRFS) and everything. They perform differently for some specific workloads like creating or deleting tenthousands of files / folders. Example 2: ZFS has licensing issues to Distribution-wide support is spotty. ext4 is a filesystem - no volume management capabilities. ZFS: Full Comparison. But. If only a single drive in a cache pool i tend to use xfs as btrfs is ungodly slow in terms of performance by comparison. Regarding boot drives : Use enterprise grade SSDs, do not use low budget commercial grade equipment. + Access to Enterprise Repository. But they come with the smallest set of features compared to newer filesystems. 15 comments. The Proxmox VE installer, which partitions the local disk (s) with ext4, XFS, BTRFS (technology preview), or ZFS and installs the operating system. Crucial P3 2TB PCIe Gen3 3D NAND NVMe M. If anything goes wrong you can. for that you would need a mirror). I'd like to install Proxmox as the hypervisor, and run some form of NAS software (TRueNAS or something) and Plex. Proxmox VE currently uses one of two bootloaders depending on the disk setup selected in the installer. Note that when adding a directory as a BTRFS storage, which is not itself also the mount point, it is highly recommended to specify the actual mount point via the is_mountpoint option. Comparación de XFS y ext4 27. If you think that you need. The reason is simple. ZFS has a dataset (or pool) wise snapshots, this has to be done with XFS on a per filesystem level, which is not as fine-grained as with ZFS. ) Then, once Proxmox is installed, you can create a thin lvm pool encompassing the entire SSD. 3 XFS. Hope that answers your question. zfs is not for serious use (or is it in the kernel yet?). Don't worry about errors or failure, I use a backup to an external hard drive daily. Btrfs trails the other options for a database in terms of latency and throughput. sdb is Proxmox and the rest are in a raidz zpool named Asgard. You can specify a port if your backup. There are two more empty drive bays in the. LVM vs. Place an entry in /etc/fstab for it to get. XFS has a few features that ext4 has not like CoW but it can't be shrinked while ext4 can. There's nothing wrong with ext4 on a qcow2 image - you get practically the same performance as traditional ZFS, with the added bonus of being able to make snapshots. 1. Extend the filesystem. Sorry to revive this. For Proxmox VE versions up to 4. #1 Just picked up an Intel Coffee Lake NUC. Press Enter to Install Proxmox VE 7. This. This means that you have access to the entire range of Debian packages, and that the base system is well documented. Issue the following commands from the shell (Choose the node > shell): # lvremove /dev/pve/data # lvresize -l +100%FREE /dev/pve/root #. Figure 8: Use the lvextend command to extend the LV. Situation: Ceph as backend storage SSD storage Writeback cache on VM disk No LVM inside VM CloudLinux 7. 2. In conclusion, it is clear that xfs and zfs offer different advantages depending on the user’s needs. Proxmox Filesystems Unveiled: A Beginner’s Dive into EXT4 and ZFS. You also have full ZFS integration in PVE, so that you can use native snapshots with ZFS, but not with XFS. ext4 4 threads: 74 MiB/sec. Note that ESXi does not support software RAID implementations. For large sequential reads and writes XFS is a little bit better. Btrfs is still developmental and has some deficiencies that need to be worked out - but have made a fair amount of progress. A) crater. Starting with Proxmox VE 7. We can also set the custom disk or partition sizes through the advanced. Unfortunately you will probably lose a few files in both cases. XFS and ext4 aren't that different. A directory is a file level storage, so you can store any content type like virtual disk images, containers, templates, ISO images or backup files. Here are some key differences between them: XFS is a high-performance file system that Silicon Graphics originally developed. XFS and ext4 aren't that different. €420,00EUR. service. # xfs_growfs -d /dev/sda1. Proxmox VE Linux kernel with KVM and LXC support. . Oct. This is a significant difference: The Ext4 file system supports journaling, while Btrfs has a copy-on-write (CoW) feature. For ID give your drive a name, for Directory enter the path to your mount point, then select what you will be using this. g. I don't know anything about XFS (I thought unRaid was entirely btrfs before this thread) ZFS is pretty reliable and very mature. 25 TB. Complete tool-set to administer backups and all necessary resources. However the default filesystem suggested by the Centos7 installer is XFS. But default file system is ext4 and I want xfs file system because of performance. Before that happens, either rc. start a file-restore, try to open a disk. It's absolutely better than EXT4 in just about every way. The ability to "zfs send" your entire disk to another machine or storage while the system is still running is great for backups. EDIT: I have tested a bit with ZFS and Proxmox Backup Server for quite a while (both hardware and VMs) and ZFS' deduplication and compression have next to 0 gains. The default value for username is root@pam. I have sufficient disks to create an HDD ZFS pool and a SSD ZFS pool, as well as a SSD/NVMe for boot drive. (The equivalent to running update-grub systems with ext4 or xfs on root). EXT4 is still getting quite critical fixes as it follows from commits at kernel. 7. Although swap on the SD Card isn't ideal, putting more ram in the system is far more efficient than chasing faster OS/boot drives. 2: On file based storages, snapshots are possible with the qcow2 format. xfs is really nice and reliable. ZFS vs USB Hardware Raid. Elegir un sistema de archivos local 27. Earlier this month I delivered some EXT4 vs. ZFS is an advanced filesystem and many of its features focus mainly on reliability. 0, BTRFS is introduced as optional selection for the root. so Proxmox itself is the intermediary between the VM the storage. to edit the disk again. With classic filesystems, the data of every file has fixed places spread across the disk. Ext4 has a more robust fsck and runs faster on low-powered systems. Clean installs of Ubuntu 19. I've tweaked the answer slightly. Performance: Ext4 performs better in everyday tasks and is faster for small file writes. Now click the Take Screenshot button, as shown in the following screenshot: Creating a snapshot in Proxmox using the web based GUI. My goal is not to over-optimise in an early stage, but I want to make an informed file system decision and. Procedure. I recently rebuilt my NAS and took the opportunity to redesign based on some of the ideas from PMS. 42. Yes you have miss a lot of points: - btrfs is not integrated in the PMX web interface (for many good reasons ) - btrfs develop path is very slow with less developers. Get your own in 60 seconds. Each to its own strengths. El sistema de archivos ext4 1. But: with Unprivileged containers you need to chown the share directory as 100000:100000. Proxmox VE can use local directories or locally mounted shares for storage. 1. Ubuntu 18. You can check in Proxmox/Your node/Disks. While RAID 5 and 6 can be compared to RAID Z. . can someone point me to a howto that will show me how to use a single disk with proxmox and ZFS so I can migrate my esxi vms. El sistema de archivos es mayor de 2 TiB con inodos de 512 bytes. XFS still has some reliability issues, but could be good for a large data store where speed matters but rare data loss (e. Like I said before, it's about using the right tool for the job and XFS would be my preferred Linux file system in those particular instances. As you can see, this means that even a disk rated for up to 560K random write iops really maxes out at ~500 fsync/s. Also, for the Proxmox Host - should it be EXT4 or ZFS? Additionally, should I use the Proxmox host drive as SSD Cache as well? ext4 is slow. ESXi with a hardware RAID controller. , it will run fine on one disk. 5 Gbps, Proxmox will max out at 1. . When you create a snapshot Proxmox basically freezes the data of your VM's disk at that point in time. EXT4 - I know nothing about this file system. with LVM and ext4 some time ago. Hit Options and change EXT4 to ZFS (Raid 1). Proxmox installed, using ZFS on your NVME. For a consumer it depends a little on what your expectations are. Now, XFS doesn't support shrinking as such. Select Datacenter, Storage, then Add. Create a VM inside proxmox, use Qcow2 as the VM HDD. If it’s speed you’re after then regular Ext4 or XFS performs way better, but you lose the features of Btrfs/ZFS along the way. 3. ZFS does have advantages for handling data corruption (due to data checksums and scrubbing) - but unless you're spreading the data between multiple disks, it will at most tell you "well, that file's corrupted, consider it gone now". [root@redhat-sysadmin ~]# lvextend -l +100%FREE /dev/centos/root. That bug apart, any delayed allocation filesystem (ext4 and btrfs included) will lose a significant number or un-synched data in case of uncontrolled poweroff. ago. Compared to Ext4, XFS has a relatively poor performance for single threaded, metadata-intensive workloads. It's an improved version of the older Ext3 file system. Set your Proxmox zfs mount options accordingly (via chroot) reboot and hope it comes up. 8. Red Hat Training. ;-) Proxmox install handles it well, can install XFS from the start. Journaling ensures file system integrity after system crashes (for example, due to power outages) by keeping a record of file system. • 2 yr. XFS is a 64-bit journaling file system known for its high performance and efficient execution of parallel input/output (I/O) operations. Step 7. BTRFS is working on per-subvolume settings (new data written in home. Best Linux Filesystem for Ethereum Node: EXT4 vs XFX vs BTRFS vs ZFS. That XFS performs best on fast storage and better hardware allowing more parallelism was my conclusion too. root@proxmox-ve:~# mkfs. It's not the most cutting-edge file system, but that's good: It means Ext4 is rock-solid and stable. Enter in the ID you’d like to use and set the server as the IP address of the Proxmox Backup Server instance. This was our test's, I cannot give any benchmarks, as the servers are already in production. The one they your distribution recommends. Feature-for-feature, it doesn't use significantly more RAM than ext4 or NTFS or anything else does. Since we have used a Filebench workloads for testing, our idea was to find the best FS for each test. This section highlights the differences when using or administering an XFS file system. I’d still choose ZFS. All four mainline file-systems were tested off Linux 5. This can make differences as there. g. YMMV. The question is XFS vs EXT4. Outside of that discussion the question is about specifically the recovery speed of running fsck / xfs_repair against any volume formatted in xfs vs ext4, the backup part isnt really relevent back in the ext3 days on multi TB volumes u’d be running fsck for days!Now you can create an ext4 or xfs filesystem on the unused disk by navigating to Storage/Disks -> Directory. Ich selbst nehme da der Einfachheit und. The chart below displays the difference in terms of hard drive space reserved for redundancy. NVMe drives formatted to 4096k. Since NFS and ZFS are both file based storage, I understood that I'd need to convert the RAW files to qcow2. Unraid runs storage and a few media/download-related containers. Navigate to the official Proxmox Downloads page and select Proxmox Virtual Environment. 10!) and am just wondering about the above. Step 3 - Prepare your system. Using native mount from a client provided an up/down speed of about 4 MB/s, so I added nfs-ganesha-gluster (3. So that's what most Linux users would be familiar with. 2. docker successfully installed and running but that warning message appears in the proxmox host and I don't understand, why?! In the docker lxc, docker info shows that overlay2 is used. ZFS also offers data integrity, not just physical redundancy. Turn the HDDs into LVM, then create vm disk. 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? See full list on linuxopsys. 3. Since Proxmox VE 7 does not offer out-of-the-box support for mdraid (there is support for ZFS RAID-1, though), I had to come up with a solution to migrate the base installation to an. No ext4, você pode ativar cotas ao criar o sistema de arquivo ou mais tarde em um sistema de arquivo existente. Ext4 file system is the successor to Ext3, and the mainstream file system under Linux. In the directory option input the directory we created and select VZDump backup file: Finally schedule backups by going to Datacenter – > Backups. . I've got a SansDigital EliteRAID storage unit that is currently set to on-device RAID 5 and is using usb passthrough to a Windows Server vm. or use software raid. Newbie alert! I have a 3 node Ubuntu 22. Yeah reflink support only became a thing as of v10 prior to that there was no linux repo support. Una vez que hemos conocido las principales características de EXT4, vamos a hablar sobre Btrfs, el que se conoce como sucesor natural del sistema de archivos EXT4. Once you have selected Directory it is time to fill out some info. For general purpose Linux PCs, EXT4. I have a RHEL7 box at work with a completely misconfigured partition scheme with XFS. (Install proxmox on the NVME, or on another SATA SSD). Buy now!I've run zfs on all different brands of SSD and NVMe drives and never had an issue with premature lifetime or rapid aging. Compared to Ext4, XFS has a relatively poor performance for single threaded, metadata-intensive workloads. This will partition your empty disk and create the selected storage type. If I were doing that today, I would do a bake-off of OverlayFS vs. It has zero protection against bit rot (either detection or correction). though of course logical volumes within may contain filesystems. Three identical nodes, each with 256 GB nvme + 256 GB sata. Plan 1 GiB RAM per 1 TiB data, better more! If there is not enough RAM you need to add some hyper fast SSD cache device. 1) Advantages a) Proxmox is primarily a virtualization platform, so you need to build your own NAS from the ground. 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. BTRFS and ZFS are metadata vs. This is the same GUID regardless of the filesystem type, which makes sense since the GUID is supposed to indicate what is stored on the partition (e. 2. XFS vs Ext4. ZFS is faster than ext4, and is a great filesystem candidate for boot partitions! I would go with ZFS, and not look back. (You can also use RAW or something else, but this removes a lot of the benefits of things like Thin Provisioning. Pro: supported by all distro's, commercial and not, and based on ext3, so it's widely tested, stable and proven. I personally haven't noticed any difference in RAM consumption when switched from ext4 about a year ago. というのをベースにするとXFSが良い。 一般的にlinuxのブロックサイズは4kなので、xfsのほうが良さそう。 MySQLでページサイズ大きめならext4でもよい。xfsだとブロックサイズが大きくなるにつれて遅くなってる傾向が見える。The BTRFS RAID is not difficult at all to create or problematic, but up until now, OMV does not support BTRFS RAID creation or management through the webGUI, so you have to use the terminal. 6. 52TB I want to dedicate to GlusterFS (which will then be linked to k8s nodes running on the VMs through a storage class). It's possible to hack around this with xfsdump and xfsrestore, but this would require 250G data to be copied offline, and that's more downtime than I like. Good day all. Note 2: The easiest way to mount a USB HDD on the PVE host is to have it formatted beforehand, we can use any existing Linux (Ubuntu/Debian/CentOS etc. Tenga en cuenta que el uso de inode32 no afecta a los inodos que ya están asignados con números de 64 bits. However, Linux limits ZFS file system capacity to 16 tebibytes. Installed Proxmox PVE on the SSD, and want to use the 3x3TB disks for VM's and file storage. On one hand I like the fact that raid is expandable with a single disk at a time instead of a whole vdev in zfs which also comes at the cost of another disk lost to parity. comments sorted by Best Top New Controversial Q&A Add a Comment [deleted] • Additional comment actions. It is the default file system in Red Hat Enterprise Linux 7. Snapshots are free. What the installer sets up as default depends on the target file system. /dev/sdb ) from the Disk drop-down box, and then select the filesystem (e. But beneath its user-friendly interface lies every Proxmox user’s crucial decision: choosing the right filesystem. They’re fast and reliable journaled filesystems. If you make changes and decide they were a bad idea, you can rollback your snapshot. In doing so I’m rebuilding the entire box. 14 Git and tested in their default/out-of-the-box. This results in the clear conclusion that for this data zstd. You can check in Proxmox/Your node/Disks. By far, XFS can handle large data better than any other filesystem on this list and do it reliably too. If you have a NAS or Home server, BTRFS or XFS can offer benefits but then you'll have to do some extensive reading first. Something like ext4 or xfs will generally allocate new blocks less often because they are willing to overwrite a file or post of a file in place. As putting zfs inside zfs is not correct. Utilice. That's right, XFS "repairs" errors on the fly, whereas ext4 requires you to remount read-only and fsck. ZFS is nice even on a single disk for its snapshots, integrity checking, compression and encryption support. Você deve ativar as cotas na montagem inicial. Elegir entre sistemas de archivos de red y de almacenamiento compartido 27. Edit: Got your question wrong. I'm doing some brand new installs. ext4 ) you want to use for the directory, and finally enter a name for the directory (e. sysinit or udev rules will normally run a vgchange -ay to automatically activate any LVM logical volumes. Reply reply Yes you have miss a lot of points: - btrfs is not integrated in the PMX web interface (for many good reasons ) - btrfs develop path is very slow with less developers compares with zfs (see yourself how many updates do you have in the last year for zfs and for btrfs) - zfs is cross platform (linux, bsd, unix) but btrfs is only running on linux. Sistemas de archivos en red 1. As pointed out by the comments deduplication does not make sense as Proxmox stores backups in binary chunks (mostly of 4MiB) and does the deduplication and most of the. Khá tương đồng với Ext4 về một số mặt nào đó. Replace file-system with the mount point of the XFS file system. That's right, XFS "repairs" errors on the fly, whereas ext4 requires you to remount read-only and fsck. EDIT 1: Added that BTRFS is the default filesystem for Red Hat but only on Fedora. All have pros and cons. 4, the native Linux kernel port of the ZFS file system is introduced as optional file system and also as an additional selection for the root file system. I've ordered a single M. XFS, EXT4, and BTRFS are file systems commonly used in Linux-based operating systems. You can see several XFS vs ext4 benchmarks on phoronix. CoW ontop of CoW should be avoided, like ZFS ontop of ZFS, qcow2 ontop of ZFS, btrfs ontop of ZFS and so on. So that's what most Linux users would be familiar with. Note the use of ‘--’, to prevent the following ‘-1s’ last-sector indicator from being interpreted. Ext4 is the default file system on most Linux distributions for a reason. It's pretty likely that you'll be able to flip the trim support bit on that pool within the next year and a half (ZoL 0. Btrfs trails the other options for a database in terms of latency and throughput. For a single disk, both are good options. ZFS, the Zettabyte file system, was developed as part of the Solaris operating system created by Sun Microsystems. # systemctl start pmcd. El sistema de archivos XFS 1. If you think that you need the advanced features. Select Proxmox Backup Server from the dropdown menu. 0 moved to XFS in 2014. However, to be honest, it’s not the best Linux file system comparing to other Linux file systems. Interestingly ZFS is amazing for. . During installation, you can format the spinny boy with xfs (or ext4… haven’t seen a strong argument for one being way better than the other. All setup works fine and login to Proxmox is fast, until I encrypt the ZFS root partition. ZFS brings robustness and stability, while it avoids the corruption of large files. Over time, these two filesystems have grown to serve very similar needs. r/Proxmox. sdb is Proxmox and the rest are in a raidz zpool named Asgard. EXT4 is still getting quite critical fixes as it follows from commits at kernel. Via the Phoronix Test Suite a. Without knowing how exactly you set it up it is hard to judge. But I'm still worried about fragmentation for the VMs, so for my next build I'll choose EXT4. So far EXT4 is at the top of our list because it is more mature than others. Category: HOWTO. ZFS can complete volume-related tasks like managing tiered storage and. Yeah those are all fine, but for a single disk i would rather suggest BTRFS because it's one of the only FS that you can extend to other drives later without having to move all the data away and reformat. kwinz. Es el sistema de archivos por defecto en Red Hat Enterprise Linux 8. Let’s go through the different features of the two filesystems. You're better off using a regular SAS controller and then letting ZFS do RAIDZ (aka RAID5). ) Inside your VM, use a standard filesystem like EXT4 or XFS or NTFS. The process occurs in the opposite. XFS or ext4 should work fine. This is necessary should you make. The reason that Ext4 is often recommended is that it is the most used and trusted filesystem out there on Linux today. 04 Proxmox VM gluster (10. If i am using ZFS with proxmox, then the lv with the lvm-thin will be a zfs pool. Si su aplicación falla con números de inodo grandes, monte el sistema de archivos XFS con la opción -o inode32 para imponer números de inodo inferiores a 232. 2 nvme. The container has 2 disk (raw format), the rootfs and an additional mount point, both of them are in ext4, I want to format to xfs the second mount point. our set up uses one osd per node , the storage is raid 10 + a hot spare . I just got my first home server thanks to a generous redditor, and I'm intending to run Proxmox on it. The device to convert must be unmountable so you have to boot ie from a live iso to convert your NethServer root filesystem. So the rootfs lv, as well as the log lv, is in each situation a normal. This is a sub that aims at bringing data hoarders together to share their passion with like minded…27. xfs is really nice and reliable. Elegir un sistema de archivos local 1. You really need to read a lot more, and actually build stuff to. Fstrim is show something useful with ext4, like X GB was trimmed . Funny you mention the lack of planning. 0 also used ext4. The terminology is really there for mdraid, not ZFS. Copy-on-Write (CoW): ZFS is a Copy-on-Write filesystem and works quite different to a classic filesystem like FAT32 or NTFS. El sistema de archivos XFS. Optiplex micro home server, no RAID now, or in foreseeable future, (it's micro, no free slots). Available storage types. 현재 Ext4는 Red Hat Enterprise Linux 6의 기본 파일 시스템으로 단일 파일 및 파일 시스템 모두에서 최대 16 TB 크기 까지 지원합니다. WARNING: Anything on your soon to be server machine is going to be deleted, so make sure you have all the important stuff off of it. Is there any way to automagically avoid/resolve such conflicts, or should I just do a clean ZFS. Replication uses snapshots to minimize traffic sent over the. Sistemas de archivos en red 27. ZFS was developed with the server market in mind, so external drives which you disconnect often and use ATA to USB translation weren’t accounted for as a use case for it. ;-). It costs a lot more resources, it's doing a lot more than other file systems like EXT4 and NTFS. Earlier today, I was installing Heimdall and trying to get it working in a container was presenting a challenge because a guide I was following lacked thorough details. The container has 2 disk (raw format), the rootfs and an additional mount point, both of them are in ext4, I want to format to xfs the second mount point. exFat vs. What we mean is that we need something like resize2fs (ext4) for enlarge or shrunk on the fly, and not required to use another filesystem to store the dump for the resizing. I use lvm snapshots only for the root partition (/var, /home and /boot are on a different partitions) and I have a pacman hook that does a snapshot when doing an upgrade, install or when removing packages (it takes about 2 seconds). Samsung, in particular, is known for their rock solid reliability. By default, Proxmox will leave lots of room on the boot disk for VM storage. It is the main reason I use ZFS for VM hosting. Choose the unused disk (e. Yes, both BTRFS and ZFS have advanced features that are missing in EXT4.