Proxmox reduce disk size

Proxmox reduce disk size. I tried different size and it's always says : # pct resize 200 rootfs 70G Jul 5, 2023 · 6. Oct 22, 2020 · It is good to use at most 50 percent (which is the default) of the system memory for ZFS ARC to prevent per- formance shortage of the host. qcow2 -p ) , creating the VM's on Proxmox, detaching and removing the created hard disk, and then importing the QCOW2 image to the created VM (ex: qm importdisk 104 ansible. After clearing this with the command apt-get clean we can see the space has mostly been freed. I tried different size and it's always says : # pct resize 200 rootfs 70G Jan 29, 2019 · Hi all, I did work with qemu-img resize to shrink the raw VM disk, it says that the operation was successful, but when I do qemu-img info, I get that the HDD is still 300 GB (btw, I'm trying to reduce from 300 to 150 GB). 1st resize the disk in Proxmox; Then in the terminal: parted /dev/sdX (probably a) Dec 11, 2014 · Using a dedicated swap disk on the VM would be a good way also to reduce the size and time of incremental backups using PBS, so it seems a win win choice. I went here and tried to increase it to 64gb by choosing Disk Action -> Resize, and it actually ADDED 64gb more instead of making it 64gb, oops, but now says 96gb. First you would need to reduce the partition size inside the guest, so that its partition (s) are as small as your new disk size - so 200GB in your case. You can create large disk images for your VMs, and when the need arises, add more disks to your storage without resizing the VMs' file systems. Type a to make the partition bootable again. clonezilla would also work. Never use raw, you're too limited. qcow2 +10G. I leave about 8Gb unpartitioned space on disks. Go to Datacenter > Node > Disks > ZFS. As you correctly highlighted the Raw Disk (virtual disk provided by PVE/Qemu) has already been expanded. Use resize2fs to resize the actual file system. There I will delete the partition, create a new one with the desired size, then do Feb 20, 2017 · Reduce size container raw. We have to access the VM’s shell either via SSH or VM the Console. If your Proxmox virtual machine uses LVM, you can indeed reduce disk space by resizing the file system and shrinking the logical volume and physical volume. d/zfs and insert: options zfs zfs_arc_max=8589934592. Manuel Martínez It is specifying the maximum root size is 4 GB, which I don't quite understand. I have migrated a physical (running) Windows PC to Proxmox with VMware Converter creating a "vmdk" file. #2. If you like to do overprovisioning, you can change to another disk type like qcow2. To resize your disk while the VM is online or offline. balloon: 1024. Quick TL;DR Guide. After updating to lxc, the used space on the host is growing and growing but the vms are the same, no more data. b) keep the 1000G as one and make ZFS directly for the full disk. Leider habe ich sie über GUI nur größer gemacht. IMPORTANT: Create a backup of your existing VM disk file: cp image. qm template 9001. Check and fix the filesystem, just incase: 到 pve. So, I end up with new questions : Jun 25, 2022 · Define the last sector so you leave enough space for swap. qm set 9001 --scsihw virtio-scsi-pci --scsi0 storage:vm-9001-disk-0. List out the LVM logical volumes: Code block. Oct 3, 2018 · The problem is that the physical PC migrated had a 500GB disk with 300GB free. Oct 12, 2018 · I have a problem to resize my container I can't reduce disk size in 4. PVE normally uses 1% of the pool size for the metadatasize, but at least 1G. Create a new disk image of desired size. 23. I've increased the disk size but accidently increased it too much. You can see the result on the console. Sep 23, 2021 · To do so, in Proxmox GUI, VM, Hardware, Disk, Resize, +1G, this wills et the RAW disk to the desiregt size of 500G and introduce the new size to the guest. But backup file of VM is 26Gb! (with LZO compression) If I use gzip type compression size of backup file is 17,5Gb How to reduce size of backup file? Mar 3, 2020 · Member. Then reinstall the bootloader. 0G 42G 18% /. 1. with: Code: # dd if=/dev/urandom of=/TESTFILE bs=1M count=4096. img +18G. You can, in fact, use the above referenced link keeping in mind that only some commands are applicable. 如果想减小空间设置，需要通过命令行调整. become available to the pool. (Depending on what kernel version you are running, the VM block device should update without a reboot) qm resize <vmid> <disk> <size>. pve server 針對 vm 的 hard disk 調整占用大小 switch (allocate storage type) case LV: lvreduce -L 5G /dev/pve/disk-name (縮小到只剩 5G) or lvreduce -L -5G /dev/pve/disk-name (縮小 5G) case qcow2: qemu-img resize --shrink <vmfile. Apr 11, 2024 · How to decrease disk size? Since it is not straightforward and there is a good chance of data loss, there is no option to shrink a disk from the Proxmox web interface. Then just update the LXC config file to reflect the new size. Jun 2, 2022 · Resize disk in Proxmox VE. ide2: none,media=cdrom. Nov 29, 2020 · As you see, sdc is the boot device for Proxmox. Mar 10, 2014 · Filesystem at /dev/mapper/pve-root is mounted on /; on-line resizing required. 2. iso,media=cdrom,size=384670K. The Proxmox team works very hard to make sure you are running the best software and getting Aug 2, 2018 · Hello, Could you please advise hows to do disk size under KVM VM? It is including expand or reduce size. Run `lvreduce --help' for more information. Any help please ? . Jul 27, 2018 · scsi1: VMpool:vm-100-disk-1,cache=writeback,discard=on,size=3500G; to: scsi1: VMpool:vm-100-disk-1,cache=writeback,discard=on,size=1999G; click somewhere else in proxmox and come back to hardware to see changes; windows dismgmt. May 16, 2019 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Oct 20, 2017 · This is not as easy as often wished. data pve twi Feb 22, 2018 · You could test this out by enabling discard for a VM disk you placed on your ZFS, then checking the ZFS space usage first (e. edit: If anyone needs that for a Ceph based VM (replace VM-Id/Disk number and Ceph pool name with yours) qemu-img Nov 8, 2020 · Please also check that the backups work before proceeding to re-create the thin pool! What you can do is: Code: lvremove pve/data. Feb 11, 2024 · Resize Disk in PVE. May 3, 2023 · Reduce VM disk size. 04. Saarland, Germany. This partition has a size of 349GB. Adjust Disk Size: Navigate to the VM in Proxmox. If you use the the ISO installer, when selecting the installation destination disk, there is an option button, klick on it, there you can limit the disk space ProxmoxVE will use. g 32GB (for the OS), set the maxvz to 0, or adjust witch space should be left free with minfree. Hi there, novice user here, I had a working Windows 10 LTSC VM running under Proxmox with no problems except it was only a 32gb disk size. Your screenshot shows 406G capacity, of which 256G is partitioned. qemu-img resize didn't do the trick Mar 3, 2013 · I'd use 2x SanDisk Ultra 32GB Raid-1 per Node. Dec 11, 2014 · This command is not applicable to spares. Jun 17, 2021 · a) split SSDs in 980G+20G partitions (as above). (Swap size can be equivalent to RAM or half, depending on your needs and disk space). I can't find the right steps to correct this. Click on Resize. 2). Use your preferred editor to change the configuration in /etc/modprobe. Therefore, I suspect it has something to do with the pool, but of course am not sure, hence me being here. Also, perhaps posting your zpool status can be helpful, because you speak about raid5. Aug 9, 2017 · This can generally be safely removed on internet connected machines which will reduce your overall backup size. To begin the Extend Volume Wizard, click Next. I'm using PVE 8 . Jan 2, 2018 · Yes, i know Proxmox is Debian, but the guest OS is Ubuntu Server 14. 3. open in new window. Welcome to fdisk (util-linux 2. Mar 26, 2012 · Today, after reading your message I decided to double-click on the 'Disk size' item and, yes, I saw that I was able to modify these parameters. Jun 11, 2021 · To resize the vDisk, click on the VM and select the following as shown in Figure 1. After that I have created a new VM on my Proxmox server and modified the VM configuration to point to that "vmdk" file. 1) allocate 8 GB for the swap on each disk, then the total swap will be 16 GB (which is more than 8 GB recommended in the manual). SystemRescueCD comes very handy for it, just add its iso as cdrom of your VM and set boot To increase or grow the disk size you can run the following command: lvresize --size +4T /dev/drive/vm-101-disk-1. clonezilla. Virtual disk size reducing. Choose Finish to complete the proxmox increase vm disk size process. fdisk -l. Hello, I want to shrink the size of a vm from 100G to 30G. Here is the command set I used: qemu-img resize ubuntu-22. A like to my tutorial can be found here. Let’s extend /dev/vda2 to the maximum available size: # fdisk /dev/vda. After that you could resize the LV (logical volume) where the disk resides, see `man lvreduce` and various forum threads here. Choose the disk you want to resize – you’ll see they’re named by container ID and disk number. Good day, I have VM with 120 Gb virtual disk: Guest operating system (ubuntu linux 12. Oct 17, 2019 · Greetings, who has experience in proxmox to reduce the virtual drive? tell me trying to reduce the disk of the virtual machine, the disk itself in lvm-thin, turn off the virtual machine I do on the hypervisor fdisk / dev / mapper / pve-vm - 100 - disk - 00. May 15, 2023 · When we see unallocated space, right-click the C: drive (or the disk we want to enlarge) and choose enlarge Volume. When asked if you want to remove the signature, say No. 173. 40. Resize VM disk. Type w to write changes and May 9, 2017 · Im trying to reduce 5GB to a virtual disk, the actual size is 125GB. I created a ubuntu 23c container by downloading the template from PVE. Shutdown the VM: Ensure it's powered off. The default is the size of the installed memory, minimum 4 GB and maximum 8 GB. Nov 9, 2015 · To increase the disc size from the command line, login to the Proxmox host. For example, /dev/vg0/vm-205-disk-1. agent: 1. Log into the Proxmox node and go to the VM's disk storage directory. S. This will increase the disk size by 4TB. Step 2 – Power off your Virtual Machine. Jul 30, 2020 · 8. I enlarged the container disk from the graphical interface by going to resources and modification of the disk. This way you can reserve free space on the hard disk for further partitioning (for example for an additional PV and VG on the same hard disk that can be used for LVM storage). I have unalocated that free size on the VM using Windows disk administrator and now I want to shrink the VM disk to 200GB but I can't get to do it. Setting the VM disk options to cache=unsafe can cause to be swapped on the host? I wasn't aware of that. Adjust the size and confirm changes. The resulting value cannot be greater than hdsize/8. They do okay as OS-Disks (been running a Windows OS) for ages on these and use them about anywhere else. arch: amd64. I have noticed the free space on my local partition is decreasing significantly, while in theory there should be basically nothing on this partition except the proxmox system and a few iso images or lxc templates. qcow2> [+-] or size. Ceph is a scalable storage solution that is free and open-source. This directory has a size of 94GB. Perhaps a little note saying 'double-click to modify' or something like that would be useful. qm importdisk 9001 ubuntu-22. 先通过 lvs 命令查看虚拟机所设置的空间大小. You can do it from the link I gave you or boot a live iso and use gparted, but first link is better. In this way thin provisioning allows you to create disk images which are larger than the currently available storage blocks. once that is done, simply copy/paste the partition to your new disk. The problem is that both of these "volumes" are on the same SSD. create/attach a second disk with the size you want. But when I test with vm, I found that it only modify the gui on Oct 20, 2017 · This is not as easy as often wished. The disk was 16GB, I would like to extend it to 32GB. Aug 15, 2019 · Hi, I did not pay attention that the size of the disks is in GiB and Increased the disk to 32768 GiB (the correct would be 32 GiB) and now I have a Windows disk with 35. Logical volume pve/vm-103-disk-0 successfully resized. Go to "Hardware" -> "Hard Disk". Mar 11, 2024 · Connect to the VM Guest OS over SSH and make sure that additional 5 Gb of disk space appears. 04-server-cloudimg-amd64. May 20, 2020 · Hi, how do I shrink a disk on a Ceph-Cluster (the workflow to reduce the partition beforehand is clear)? I tried root@server:~# qm resize 111 scsi1 40G shrinking disks is not supported but failed. Last edited: Aug 22, 2022. Whenever I install the system and letting the partitioning to proxmox itself, the root partition ends up being 100 GB, which is too large for my needs. Set maxroot to the desired size e. For example, a newly created Debian LXC that’s been recently updated shows a total of 206MB of disk used. I thing it could be the raw files. Step 2: Resize Partition and Filesystem in Debian. Ich habe eine VM erstellt und wollte danach die Disk verkleinern. lvdisplay |grep"LV Path\|LV Size". old_desc_blocks = 2, new_desc_blocks = 2. VMID NAME STATUS MEM(MB) BOOTDISK(GB) PID. If you have created thin provisioning and given the virtual disk 10GB, download a 5G file in VM then deleted it, running fstrim -av can give you 5G space back, but your virtual disk’s designated size is not changed, it can still use 10G at maximum) So, if you want to Mar 14, 2021 · increase this disk with proxmox gui to the orignal size. qcow2” by 10GB, you would run: qemu-img resize disk. resize2fs: Read-only file system While checking for on-line resizing support. Thanks a lot to all. qcow2 image. #1. Apr 20, 2021. Apr 15, 2015 · Jul 15, 2016. qcow2_backup image. proxmox. i was trying to check with ncdu what's on the disk, but it shows only 8,4 GB is used up from the system. swapsize. #4. If you have 2GB of RAM, you might want to leave 2GB or 1GB for swap. My Problem is, that i don't have ANY Sata Ports left (i already use 16 For OSD's in the machines and do not have any PCI-E slots left for additional expanders. lvconvert --type thin-pool --poolmetadatasize <metadata size>G pve/data. This example setting limits the usage to 8GB. Enter the size you want to add to the existing hard disk. Dec 30, 2021 · However, you can watch the progress of the resilvering within the Proxmox UI. 400 Parameter verification failed. In my environment, I resized VM 109's SCSI0 disk by 32GB. But when I test with vm, I found that it only modify the gui on Aug 20, 2023 · Big size of backup file. Container config: Code: #> pct config 102. Use parted to resize the correct partition number. Mar 1, 2020 · Hi, On my Proxmox server I have a directory which is called "local". Feb 17, 2023 · Open Proxmox, select the VM that you’d like to resize, then select Hardware. The screenshot shows that /dev/vda2 has the size of 20GB, and the available disk space is 25GB. Change the disk from Available to Selected, then Next (check all other options). If the device is part of a mirror or raidz then all devices must be expanded before the new space will. root@xxxx:~# lvs. For this example the VM with the VMID 104 will be used to increase the disc size. To decrease or shrink the disk size you can run the following command: Running Proxmox virtual environments 5. in the web interface click on your windows vm -> hardware -> select the hard disk and click disk actions. Is there any way to reduce it? The partition is a 512 GB local-lvm. 25 TB. Dec 7, 2023. ) Do you really want to reduce pve/vm-103-disk-0? [y/n]: y Size of logical volume pve/vm-103-disk-0 changed from 508. Then double-click the pool in question. Apr 26, 2024 · Hi Leute, bin neu hier und brauche eure Hilfe. msc still doesn't see the change. There is no option to reduce the size, you'll have to do migration to a smaller disk with e. use gparted to shrink the partition on the primary disk. Dec 14, 2017 · Hi all, I build up proxmox with 3 nodes as cluster, and also enabled to use ceph for stroe vms and lxc. make the 20G partition boot Proxmox internally. You did resize the disk successfully to 491GB (virtual-size), but the disk contains only 161GB of data. qcow2 ZFS_SSD ), attaching the imported disk, and inserting it on the boot order. (e. Dec 8, 2009 · Try qemu-img convert -O raw image. EDIT: SOLVED I folllow this guide I have already shrinked the volume in the windows 10 guest with its own partition tool and the disk is now only 26,68 GB. For the PVE system to display the disk size correctly, it is also necessary to perform 4: qm rescan. Run a live os, with the new and old images attached as (virtual) hard disks (not mounted) Create the new partition(s) the same size as the resized partitions on the old disk; Use dd to mirror the data to the new partition. I configured in ubuntu container samba . In this blog, we’ll walk you through the steps to increase your disk space within Proxmox OS using Ubuntu as your virtual machine system. Next time don't forget create backup before reduce a disk. LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert. It took about 2. Then convert it back to qcow2 Another trick is to zero out the free space in the guest OS by creating a big empty file. Positive sign not permitted - use lvextend. Starting with Proxmox VE 3. Even though I copied 27GB onto the disk without any error, the total used space stays stuck at 9GB. Jul 6, 2021 · qemu-img convert -f vmdk Ansible. Defines the size of the swap volume. You wrote that you only need to extend your disk to 250GB, but instead you did Jan 7, 2020 · You are correct, the VM structure is Raw Disk>Partition>Filesystem. And I found that when I add some space into disk with lxc, it can apply and type command "df -h" can show the right space size. Jun 29, 2023 · Jun 29, 2023. Use parted to fix the GPT PMBR size mismatch. -e Expand the device to use all available space. 2-1. qcow2. I need to do this, so the LVM-thin will have space, as I'm moving physical as well as Virtual For example, to increase the size of the image “disk. From there you can resize the disk. ZFS on Linux - Proxmox VE. Thanks! I am running ZFS on Linux (specifically using Proxmox) and recently I expanded my mirrored (across 2 disks) ZFS partition to fill my disk. When everything went good, grow the guest partition to the new disk size. raw and see what size it comes out as. But I just don't know whether or not there is a recommended or minimum for each partition, and can seem to find Mar 11, 2024 · Connect to the VM Guest OS over SSH and make sure that additional 5 Gb of disk space appears. Example of Proxmox’s ZFS Pool Details and the resilvering process. Now in the GUI in the hardware section of the VM, it says 7500G as disk size but I want it to be 6000G. 1. Before performing this operation, you should first backup your virtual machine in case something goes bad – shouldn’t but you never know. Shrink the Disk File. lvcreate -L<pool size>G -ndata pve. Then recheck the space usage, it should be about 4GB less than previously (if no other VM did Jan 30, 2016 · Jun 29, 2023. vm 從 gparded iso 開機並 縮減 disk 大小. Note that this step has a chance to be undone if done incorrectly: lvresize --size +96G /dev/pve/vm-100-disk-0. I would like to undo this and leave 256GB unallocated on the disks. and after I ask in forum. Dec 31, 2017 · First, shut down the container and ensure it’s not running. vmdk -O qcow2 ansible. Feb 20, 2017. Open the Shell, then run the command below substituting the disk name, VM ID and how many GB you’d like to increase this VM disk. Select the Hardware option. Use fdisk to learn current layout and if Proxmox resize worked. I gave the vms more space than the host have but on the vms there were only a few files. Jun 19, 2016 · THIS MAY DESTROY YOUR DATA (filesystem etc. , zfs list), after that create a big file inside the VM, e. com, to shrink the disk in execution in guest OS. Option #1: Shrink your disk without compression (better performance, larger disk size): qemu-img convert -O qcow2 image. For example add recovery CD to this VM. I booted the vm into gparted and resized the partition to 29G I shutdown the vm ran "zfs set volsize=30G rpool/data/vm-201-disk-0" to leave a little overhead ran "qm rescan" and got the message that the disk-0 has no 30G instead of Jan 2, 2018 · Yes, i know Proxmox is Debian, but the guest OS is Ubuntu Server 14. Later I decided that 20G is not enough and used Resize button in GUI to expand the disk of the Expanding disk space is a common necessity for developers and IT professionals. Install Parted Utility: Use sudo apt install parted to Jan 9, 2020 · So I am in the process of trying to increase the disk size of one of my VMs from 750GB -> 1. Access the VM: SSH or use the console. Step 1 – Backup your Virtual Machine. Then recheck the space usage, it should be about 4GB less than previously (if no other VM did Apr 13, 2021 · Proxmox VE WEB UI上调整虚拟机磁盘大小只能增加，不能减小。. Here are the specific Defines the total hard disk size to be used. 5 hours to resilver each drive. P. . I have two VM's which run on the "local-lvm", this only takes up 32GB of disk space. Let have a look to the first part of the process. After you resize a virtual disk, you also need to extend the partitions and or filesystems inside the virtual disk to make use of the new extended disk space. Back to PVE shell, run: lvresize --size -96G /dev/pve/vm-100-disk-0. 即是调整LV的大小，命令操作如下. df –h. You can play with this VM. 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. The way I have gone about this (following the wiki) is summarized by the following: First i went to the VM page via the proxmox web browser control panel. Login as root to your Proxmox host. It is a great storage solution when integrated within Proxmox Virtual Environment (VE) clusters that provides reliable and Apr 15, 2015 · Jul 15, 2016. Feb 20, 2017 · 273. There is no need for manually compile ZFS modules Dec 19, 2016 · Hello Evrybody , I don't use local-lvm , i want to delete that partition and add the free size to the root partition (local). May 16, 2019 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Feb 7, 2022 · The default is the size of the installed memory, minimum 4 GB and maximum 8 GB. Select the Hard Disk. 00 GiB (5120 extents). img storage. I have tried: Code: root@myserver:/# qm resize 101 ide0 -- -120G. ide1: ISOs:iso/virtio-win-0. Yes, the "qm" manual says that shrinking is not supported but here it sounds as it is Mar 4, 2024 · The Ceph File System (CephFS) is a POSIX-compliant file system that uses the underlying storage provided by the Ceph cluster to provide for storing files. Then I selected the "Hardware" tab and selected "Hard Disk" and then clicked the resize disk Oct 3, 2018 · The problem is that the physical PC migrated had a 500GB disk with 300GB free. Mar 20, 2017 · If you reduce (shrink) the hard disk, of course removing the last disk plate will probably destroy your file system and remove the data in it! So in this case it is paramount to act in the VM in advance, reducing the file system and the partition size. Hi all, I increased a disk on one of my vm's for a small period of time and now i no longer need the disk to be that big as it's causing my backup of the VM to take much longer. g. make the 980G partitions ZFS pool. In the proxmox GUI, click resize May 26, 2020 · Hi, This post is only for reclaiming the unused space from VMs, it will not change the designated size of virtual disk. cores: 2. I read in the Proxmox wiki that the maximum size of the root volume size is hdsize/4 (so 25% of the whole device size). Figure 1. 04 Lts) use only 3,4Gb of disk storage. I have a virtual machine in proxmox, using a virtual LVM disk. I also have a LVM-Thin which is called "local-lvm". What other things can cause the use of swap in the host? Regards. Oct 21, 2022 · Increasing vm disk size is easy, though. You'll possibly need to purge / regenerate grub(2) to boot successfully. 4-12/e71b7a74 : I change my old 2to SATA HDD for a 120 go SSD. I have a problem to resize my container I can't reduce disk size in 4. In the command line you can list the VMs configured by this command to find the VMID needed. Nov 11, 2011 · Resizing the Virtual Disk file- How To. BJ78945 said: Hello, as I used openvz I had no problems with hdd space. 32 TB. qcow2_backup. Target for Linux/Windows KVM VM. If you want to increase the disk size in GB simply use G instead of T. My container have 500go disk but I move this container to my new SSD dedicated server. hook up another USB-connected disk to the Mac and make it boot Proxmox from there. Even if the device is 28GB, root partition is only 7G. I'll try with the rescue CD. Jun 18, 2021 · Hi all, Does anyone know of the correct way to reduce a vm's boot disk size after it has been created and in use? Sep 5, 2023 · There you could reduce the hard disk size, as then the rest would be left unpartitioned and could be used to create a completely separate VG after the installation. It shows 2TB of available storage for the disk. PS: when I resized my windows vm I had the recovery partition to the right of the C drive, which made it a pain to resize the C drive. 00 GiB (130048 extents) to 20. Take note of the hard disk name (in the example below, it’s sata0) and the VM ID (101 in the example below). 3 LTS. Say a pray and start the VM. bootdisk: scsi0. ZFS is a combined file system and logical volume manager designed by Sun Microsystems. Shut down the VM. Feb 22, 2018 · You could test this out by enabling discard for a VM disk you placed on your ZFS, then checking the ZFS space usage first (e. Expand the partition within the guest operating system to utilize the newly added space: This requires booting into the guest operating system and using its built-in tools to resize the partition. My windows 10 vm setup: root@pve:~# qm config 101. Oct 23, 2022 · How Resize Virtual Hard Driver in Proxmox - Increasing disk size windows VM GUI- Power off your Virtual Machine: You should power off your virtual machine b Feb 3, 2024 · storage/subvol-102-disk-0 50G 9. dj rd lg vs dm yj oo xw hd zb