Proxmox repair disk. You only need to do that if you boot from that pool.

Proxmox repair disk Step-by-step guide to recover a failed Ceph disk in a Proxmox Lenovo M700 Tiny. you can always fix it up by adding another drive (usb stick/. The damaged disk has already been replaced and the current state of Proxmox's disks is as shown in the attached screenshots. Fixing Disk Corruption in LXC Containers September 14, 2021; Expand storage capacity of a Ubuntu host with LVM August 28, 2019; Pfsense Same HDD then showed degraded again, storage was ONLINE though. Mein Problem ist, dass ich auf dem Server einige Backups habe, die ich gerne hätte bevor ich den Server neu aufsetze. extrepo enable proxmox-pbs 3. raw of my containers and then reinstalling proxmox on the other disk of EDIT: I booted the vm from a Windows install media and used the command prompt option to check and repair the disk. After the kernel loads, it just sits there. See the manpage and the pve documentation at the link shared by thenickdude. Navigate to the System Image Recovery page and it'll likely @Dunuin Thanks for the prompt response! So ill go ahead and start by checking the memory using memtest86+ since that seems to be an easy thing to start on. Thanks. Do not worry (unless you had a boot drive with VMs on it and no For how to find drive IDs (Usually it will contain your drive’s SN, so note it down first!) follow this guide: How to: Find drive name (real name) for /dev/sdb /dev/sdc from Proxmox (PVE) One of physical disks that zfs pool is Be sure to have installed the extension pack of Virtualbox and configured USB3 to the VM. 9. A. I really appreciate your help. I thought it was a one-time issue, so I left it Look into the bkpcrit script, set the target to separate non-root media or NAS. In this example, we are using the ZFS configuration as per the Proxmox installer which also creates a boot partition which is not part of the zpool. This week my proxmox server started having issues with its SSD. I did a "ls -a /dev/disk/by-id/", and here is the output concerning ths serial number K4KJ220L: ata-HGST_HUS726040ALA610_K4KJ220L Hello, My Proxmox server are failures and I try to fsck partition on below - /dev/pve/root - /dev/pve/swap all partitions above are fine for repair filesystem. This will show you the status of the ZFS pool and the drive that’s failing. Any help is greatly appreciated this is the lsblk ouput for my broken disk: sdc 8:32 0 447. sata cables - stop the server - replace the sata cable(use sata cables with metal clips) for the HDD with zfs errors What this has done is taken a new disk from this: nvme3n1 259:0 0 447. You probably can fix that using sgdisk with -R, copying from sdb to sda. I formatted the main drive to use proxmox, but I can't access the other hard drives. 0 und 4. /dev/sdb was phasing out and gave tons of errors. So I really don't know if it was because proxmox update, kernel update or a windows update proxmox 7. This is my first time doing this, so I'm asking for help. 1 kernel or 6. If your problem is that the VM with the wrong device is automatically starting: disable VT-d/IOMMU in BIOS or press e in the boot menu and remove intel_iommu=on or add amd_iommu=off. If I enter 1 the proxmox installer gui appears and I can select install or rescue boot etc. Check metadata health run “lvs -a” on the proxmox host; 2. I lost the pveproxy webUI when I tried to install docker based upon someone's instructions for ProxmoxVE 5. Current Proxmox docs only cover OSD creation but is lacking of management procedures using pveceph commands. tyjtyj Member. I simulate disk fail on the raid1 btrfs which is also my root for proxmox ve 7. This explains the migration from a Hyper-V on Windows 10 hypervisor to Proxmox VE 6. and i tried I have a VM with two disk images, one for the system on the ssd (ext4) and another for storage on a hdd (ext4). (archive link) The process for mounting a LVM volume is similar, but collisions can be a bigger issue. 51 GiB, 1000204886016 bytes, 1953525168 sectors Disk model: CT1000MX500SSD1 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disklabel type: gpt Disk identifier: DEF9CF3F-4151-4686-9CC4-DCD2108DE232 Device Start A shadow boot disk is basically a external boot disk which has everything needed to boot, access, fix, repair, start, stop, debug, inspect, the real system. Feb 7, 2022 12 4 8 42. It seems that fs on it fas corrupted. Instead, you’ll need How to replace bad drive in CEPH pool on Proxmox. 1-7. This subsection Enter Proxmox Recovery: a comprehensive, step-by-step guide designed to help you restore VMs and recover lost data efficiently. If you have a large enough media, and enough ram, like a 32Gb flash drive, you can just put the whole OS on it and make a "Live ISO" image of the running machine. I found this Ceph document but some commands are not giving the same output (ie Just upgraded a 3 node cluster to PVE 6. We think our community is one of the best thanks to people like you! The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Staff member. Seems like a pretty sensible idea to me. I started to see errors in some of the proxmox servers last week ZFS mirror 1 two SSD Disk. T. ausgefallen ist. 34 MiB Allocatable yes (but full) PE Size 4. Options below Tried to repair boot but to no avail. Mar 18, 2024 Hallo, ich habe hier zwei Server mit einer aktuelle Proxmox Verison, die nicht mehr booten. They show up in the storage, but I don't see where I can add it to a VM or The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway. . Hi! I have some trouble with vm-disk raw file. PVE 8. 11. The file system was corrupted within the VM and does not appear to be a Proxmox issue. Since yesterday, my W10 vm running on Proxmox has been stuck on the "SeaBIOS Booting from root@ghost0 ~ # pvdisplay --- Physical volume --- PV Name /dev/nvme0n1p2 VG Name vg0 PV Size <476. then you can have a look at the services journal (journalctl command). Hi guys. I moved to ProxMox from an ESXi environment and I've been slowly learning it. didix I believe. In mirrored arrays, or in other RAID arrays, one of the biggest reasons for failure is not a disk failure in a healthy array, it is what happens if something causes a double-disk failure. 0 edge kernel - host cpu -> didn't work either Hello, I just installed ProxmoxVE 6. 1 ein Bootproblem im Zusammenhang mit LVM und mit dem GRUB Bootloader behoben werden kann. worst case, that drive fails at some point and you need to replace and reinit it - but with proxmox-boot-tool, everything on the ESP is just a copy of the actual files stored on /, so # fdisk -l /dev/sda Disk /dev/sda: 931. the format of the disk is raw, and I I needed to use a 64 bit version of Ubuntu or Debian live usb disk to fix it. Mar 28, 2022 #10 Bluescreen I cannot provide right now, since someone is using the machine at the moment. Take note of both drive, especially the one that’s failing. The ASUS bm cant find the boot drive so Im trying to repair the boot manager. execute proxmox-boot-tool init /dev/sda2 (in my case) and move from that point on. Tens of thousands of happy customers have a Proxmox subscription. /dev/sda2 is sized correctly as it should, but it should be of type EFI. 3 or greater, and if you started with proxmox 6. System currently booted with legacy bios WARN: /dev/disk/by-uuid/0E18-2679 does not exist - How to Fix DiskPart Virtual Disk Service Errors in 2025 - Best Ways; How to Fix DiskPart Virtual Disk Service Errors in DiskPart (2025) ESXi 7. Replacing a drive in a pool using the Proxmox VE 6. But you got another "rpool" where it looks like you are booting from. By Dave Gaunky. I recommend just mount it on "root" and name it after your failed LXC's ID. Now note all it has done is created/copied the partitions. I also ran `zpool scrub ZFS1` and `zpool status -v ZFS1` and it appears that the scrub managed to repair some of the data corruption but a lot of disks are still in a degraded state. 0 last night. If you are still using grub, grub-install <new disk> should be what you want, but I have not tried or tested this, and you should look at the proxmox documentation before continuing. This a the bootloader screen, this is my cmdline Protect your Proxmox setup 🛡️ with this guide to disaster recovery. 1G 0 disk ├─nvme3n1p1 259:1 0 1007K 0 part ├─nvme3n1p2 259:2 0 512M 0 part └─nvme3n1p3 259:13 0 118. Add as OSD in Proxmox CEPH GUI(this was a Proxmox VE OS ZFS boot disk replacement – Lets start by identifying the drives currently in the ZFS storage (including the drive to be replaced). I am booting from ZFS RAID 10. I've root@pve:~# fsck /dev/sda1 fsck from util-linux 2. ext4: Superblock invalid, trying backup blocks fsck. Here is a link to Centos 7 live ISOs. I would do a check-only first, if it finds anything then re-run it with in repair mode. Introduction When a disk in your ZFS pool fails, the pool enters a DEGRADED state. Making sure thin volumes are not active I've recent setup a cluster using latest Proxmox 7 iso. 1. Proxmox VE, an open-source virtualization platform and VMware ESXi alternative, offers robust backup and restore functionalities that simplify VM management and enhance data protection. DO BACKUP 8. Hi, gkovacs (and others) Hope this thread helps you and others. https://YOURSERVER:8007 6. If you have a Win10 desktop with sufficient free disk Try to boot a PVE ISO and select rescue mode there. Search titles only # proxmox-boot-tool init <new disk's ESP> ESP stands for EFI System Partition, which is setup as partition #2 on bootable disks setup by the Proxmox VE Watching this as very interested in the answer. 2 kernel - host cpu -> I remember it worked after a few reboots but after one or two days, the automatic repair boot loop started. Mar 11, 2017 81 12 48 45. qm rescan If all VM images have been moved away from a VMFS6 disk, you can format it and use it at Proxmox VE HyperV. But I have to work on an up and running production system, so I can't make any mistakes. 1. After restarting it, all the virtual machines worked ok, except one with Ubuntu. You should always make a perfect copy and only work with that copy when trying to fix a corrupted disk. 00 MiB Total PE 121967 Free PE 0 Allocated PE 121967 PV UUID MtTK78-mINc-7Y2S-ffth-ahnB-Jafg-TH9G9H --- Physical volume --- PV Name /dev/nvme1n1 VG Name vg0 PV Size <476. If I change my bios to enable uefi mode, as soon as the disk spins up the gui appears automatically, but I cannot select anything as all power to usb ports seems to get cut off. This guide does not guarantee to resolve the boot issue/grub issue, as boot issues can be caused by many reasons, though it You could also try running fsck to find/repair disk-related issues. 3-6 and running as member cluster, i set RAID 1 on my node and when i see status SSD on proxmox interface the health was DEGRADED and just detect 1 SSD on Disk Section, so i think one of my ssd was broken (the SN ssd not showed up on disks interface proxmox) and my plan was change the SSD, does any config I think you'll need to deactivate pve/data_tdata and pve/data_tmeta to be able to activate pve/data. Related Guide. One of the OS disks using ZFS went bad. Es werden Wege für die verschiedenen Boot-Loader (GRUB Hi, I have an zfs pool with an MsSql-VM, wich change a lot of data. Einer landet direkt im grub beim anderen kommt ein Kernel Panic. Then plug the drive to the USB port of your computer and add USB Passthrough of the drive to the VM. You cannot access (or even see) the files in /etc/pve if Proxmox is not started, that's normal. I would not use USB Thumb Drives for your Proxmox Server, they are not well suited forlots of writes, if you have to try to disable logging (or log to another server proxmox 7. I use zfs for disaster recovery - send snapshots with pve-zsync to another cluster-node and with znapzend to an remote-host. 2 or newer, you have migrated off of grub. The file systemd-bootx64. iso with "live" in it's name would work. It could be RAM as @wolfgang say. is there a way to either repair the booting or reinstall proxmox whitout losing my data. So you can`t make it worse while experimenting. I have been using proxmox for about 3 years. Hi, I changed hypervisors from Windows Server DC to Proxmox and the previous hard drives were all backed up with the ntfs file system. apt update 4. /dev/sda3 is a LVM partition and not a ext4 partition. This article explains how to replace a failed disk and complete the resilvering process in your Proxmox ZFS pool Hi, 2 days ago my server had a problem: it had no more space left and therefore the panel no longer wanted to work so I decided to make a backup by hand by copying the . Since its relatively difficult to backup proxmox, I don't have a great backup mechanism, so I really try and not create any self induced In diesem Artikel wird beschrieben wie unter Proxmox 4. This is assuming you are using proxmox 6. Thankfully, replacing a failed disk in a ZFS zpool is remarkably simple if you know how. You only need to do that if you boot from that pool. 1 e2fsck 1. "mp=/root/110" is the path that you'll access this disk image from your new container. fdisk -l vm-550-disk-0 Disk vm-550-disk-0: 200 GiB, 214748364800 bytes, 419430400 sectors Units: sectors of 1 * 512 = 512 bytes Sector size Ensuring data integrity and availability is crucial for seamless operations. Then you can reinstall proxmox using a USB installation drive. Reinstall proxmox. ext4: Bad magic number in super-block while trying to open /dev/sda1 The superblock could not be read or does not describe a valid ext2/ext3/ext4 filesystem. Our metadata usage was up to 99. I tried doing what it said on the screen, but after a while, it loops back to "you are in emergency mode". Learn to restore CEPH cluster health and maintain VM availability. So lädt zwar der Bootloader GRUB (GRUB 2) noch Recently we had one of our Proxmox machines suffer a failed disk drive. Ein solcher Austausch wird notwendig, wenn ein Datenträger im Verbund beschädigt bzw. December 30, 2021 by Aaron Weiss. I managed to fix it by running fsck a few times + lvconvert --repair. I added a new OSD using a new hard drive. Any . For containers this would be a root. something and doesn't want to talk to Proxmox v7. x on the web and then did a "apt update && apt full-upgrade". configure with a usb disk or in you nas as storage 7. Feb 12, 2022 #2 I have read some posts on how to replace a bad disk of a ZFS mirror. When I starting VM I see this: I have no idea? how can I fix this. Note: be sure the new disk is clean (or formatted) I do not know with NVME, but you have to find your disk. I need to get the system back up until the replacement disk arrive thus, running on degraded mode is fine. Moayad Proxmox Staff Member. Learn backup strategies, recovery steps, and how to restore files using VMFS Recovery™ for ultimate security Repair VHD - Virtual Hard Disk repair tool; Mount VHDX Linux: Step-by-Step Guide to Mounting VHD and VHDX Files on Linux Easily; VMware vMotion requirements Hello, I am looking for updated documentation on correct procedure for Ceph OSD disk replacement. It is tested with a Proxmox VE 6. com. But you can also investigate others things: 1. x ZFS boot issue/boot failure (BIOS/UEFI + GRUB) (Some ideas, not a full solution) Note. Gibt es beim neu Hi Everybody. I initialized the Disk with GPT and the the disk appeared to have a GPT partition table per the "Disks" menu of the web GUI I am currently on a fresh install of Proxmox with a ZFS mirror. So a normal "zpool replace" would be fine for your "SSD_4_5_2TB" pool but in case a disk of the "rpool" will fail you would need to do the additional stuff like copying partitions and bootloader and so on. We then discuss the key items that If I'm in legacy mode, when the dvd disk spins up it asks me to enter 1 or 2. 4. When i hit enter I get an (initramfs) prompt. The drive serial number should be part of LVM Metadata Repair 15 Jun 2017 lvm • metadata • thin. Every time a power loss occurs and the system shuts down forcfully, the big disk image on the hdd gets corrupted and to power on the VM again I Proxmox server crashed, LXC containers showing file system errors here's the fix. This way it is easy to find the mounted disk image. As soon as the conversion is finished you may mount the new Proxmox VE disk image to the VM. Permanent Fix. 1 guest. For example with wwn lsblk -o +MODEL,SERIAL,WWN find the new disk and the online disk in the wwn colon then sudo zpool attach rpool existinghdd newblankhdd an example with wwn But to your point, "Restore files" should also allow you to download an entire virtual disk. didix > Download (save icon). Buy now! Manual repair required! I just tried (after googling around) to execute: lvconvert --repair -v /dev/pve/data this is the output: WARNING: Not using lvmetad because config setting use_lvmetad=0. 6% and it was causing all sorts of disk issues as well as the incorrect disk usage being reported. apt install proxmox-backup-server 5. The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as 2. proxmox. The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security Proxmox ZFS Disk Replacement and Drive Expansion. In my case it's "110". 3 web interface doesn’t allow you to replace a disk in a pool. This will at least backup your VM/CTR configs. I try to boot with liveCD. Change your BIOS to boot from UEFI 2. pxar. The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as Warning: Before starting, make sure we have full backup, you are responsible for your data!!!. Sie erfahren, welche Schritte nach einem Ausfall einer Systemfestplatte zu tun sind. 1G 0 disk Fragen zu Proxmox im Allgemeinen oder Bedarf an Cluster Best Practices? inherit Read ahead sectors auto --- Logical volume --- LV Path /dev/pve/vm-110-disk-0 LV Name vm-110-disk-0 VG Name pve LV UUID qVl7vk-cyjj-Vgj8-oLNQ-Y44H-2C9N-CJO3zr LV Write Access read/write LV Creation host, time Server, 2021-02-25 11:22:09 +0100 LV Pool name Diese Anleitung beschreibt den Austausch eines Boot-Devices in einem Proxmox VE (PVE) Host System mit ZFS-Mirror. This is what I currently get (once again running scrub, just for the record): This brings up a very important point. 1) Replace the physical failed/offline drive, /dev/sdc Initialize Disk X= the new replacement disk The recovery steps are OK! A. I followed the excellent upgrade docs for PVE and Ceph Nautilus upgrades. Login to PBS > Datastore > datastore-name > CT > folder > root. The partitions appears in We discuss how we recently had a mirrored SSD setup fail in the data center, and how services stayed up even though the boot drives failed. I noticed that you have many answers up here and it's been good information, thanks for that. It was necessary to restart one of the cluster nodes, and one of the vms did not start, we found that the disk was corrupted, preventing this vm from starting. 94 . but, I still have a problem with /dev/pve/data I try to fsck for /dev/pve/data and good try on the proxmox boot tool , on a fully working system I tried following the guide with just a couple of changes , eg the mount points sda2 to boot/efi and the grub install and install didn't kill it , them tried the proxmox-boot-tool , and that didn't kill my system . efi is generated only when you have a system booted from UEFI so you need to manage to: 1. 1G 0 disk To this: nvme3n1 259:0 0 447. 7G 0 part. I tried to reinstall the proxmox-ve package as if I was installing proxmox on Debian as per the official description but only Hi, I've got 3 disks currently passed through to a VM using the instructions here: Passthrough Physical Disk to Virtual Machine (VM) - Proxmox VE I created 1 partition per disk, each formatted as ext4 using fdisk/mkfs. Unfountnaly i have not done a backup . ZFS offers a robust recovery mechanism called resilvering, which allows you to replace the failed disk with a new one and rebuild the data. x is: Apply the temporary workaround to be able to boot PVE again; Upgrade to PVE 8 by following the upgrade guide. Proxmox Subscriber. I have about 40 proxmox dedicated servers I've created about 400 virtual servers in these 40 servers and i had no problems. Get yours easily in our online shop. 3) and backup the vm to usb storage in rapid time before the pc cut out again. 44 GiB / not usable <4. ext4 from within the The new container won't start without the correct disk image name. When one of the disk failed, the system will not boot. 4 - 6. After a short time of use, the pool has an high fragmentation: zpool get The issue has slightly changed direction now as I've managed to temporarily fix the old pc, boot into Proxmox (I tried forming a cluster but it's v6. After doing that and ensuring that the system can actually boot from sda, replace the drive (sdb) It would be nice if the documentation included that uefi means proxmox-boot-tool and that grub means GRUB through proxmox-boot-tool in the output of proxmox-boot-tool status also, it would be nice if the documentation included a mention of needing to manually install apt install systemd-boot or maybe there is a bug to fix there? To check the LVM it is done with the following steps. 47. I see lvm on this partition? but I cant mout it because there is My ProxMox server keeps booting in emergency mode. This happened again on another server, corrupting the VM disk. First we can see our drive layout with lsblk: # lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 20G 0 disk └─sda1 8:1 0 20G 0 part └─xubuntu--vg-root 253:0 0 19G 0 lvm / sr0 11:0 1 1024M 0 rom Mounting a ZFS pool from a disk image is more involved, especially if another pool with the same name already exists on the local system. 0 (5-Feb-2023) ext2fs_open2: Bad magic number in super-block fsck. At first it might sound scary to do but actually it is easy process aslong as you follow the instructions. I already got a potential replacement HDD but the hardware actually seems fine. Whether you're dealing with accidental Since odd numbers and lists are good, we are going to have a nine-step process for getting back online. Is there a way to repair this disk or find out what is preventing it from working? Either through my current Proxmox setup or through a USB recovery stick. You can save that horrendous double transfer by issueing the proxmox-backup-client tool (see Something looks wrong with the partition layout picture you shared. 0 ESXCLI Command Reference in 2025; VMware Disk Image: 2025 guide; Is VMware virtual machine inaccessible? Fix it in 2025! Manage Hyper-V Integration Services (2025) Hello all My proxmox VE version was 6. Jan 2, 2020 3,374 343 128 31 Vienna shop. Well, the lvs output doesn't show the usage information because the volumes are not active, but the sum of LSizes of volumes in the pool is much bigger than the size of the pool (even without the snapshots where only the delta contributes to how much space they Grub is the default for that set-up yes, but I disagree your approach is the best way to handle this. I run PBS with ZFS on a pool named RPOOL that contains 4 drives of 4Tb. If this is not a migrated VM please add a EFI DIsk in Proxmox unter Hardware--> Add --> EFI Disk . All my data like my vms are on a seperate disk from my boot pve disk. Manually start proxmox once booted from UEFI 3. :~# proxmox-boot-tool status Re-executing '/usr/sbin/proxmox-boot-tool' in new private mount namespace. Posted Jan 17, 2023 . This starts in a loop, not knowing the content of the hard drive. I don't see any errors in dmesg. For fsck, you have to boot from a USB to a Linux live instance. The only permanent fix for PVE 7. Andreas Piening Well-Known Member. Jul 7, 2021 49 8 13 46. ), and use that as ESP via proxmox-boot-tool (even possible on legacy system, the "ESP" is just used as non-zfs-storage in that case). proxmox-boot-tool format <spa2> and I don't need to do proxmox-boot-tool init <spa2> [grub]? Sorry for the likely obvious questions, I just really do not like messing with disks and boot media for my homelab. At the bottom left click "Repair this PC". 1 min read. We do not want to install Ubuntu/Debian, just run it live off the ISO/DVD/USB. How to: Fix Proxmox VE (PVE) 6. zpool status. This could be a faulty power supply, backplane, SSD firmware, being slow to introduce a replacement, or anything else. This article delves into the intricacies of Proxmox backup and restore processes, illustrating how to restore We are running Proxmox VE 4. We had a real issue on our Proxmox (LVM Thin). 38. 1) If I install Proxmox in the ZFS raid 1 and spend most the server's life booting from and upgrading software on /dev/sda (or bios preferred boot device) would this not mean I have to re-install grub on the 2nd disk after every-time a new kernel version is applied using apt? Due to a power problem, the proxmox server was shut down by surprise. This will prevent the VMs with PCI(e) passthrough from starting (they fail) and Add a hard disk and select the proxmox storage you configured earlier for Windows as a SATA hard disk (changing to SATA is what ended up working for me, I had tried SCSI and adding the drivers many times but it failed every time). Boot into Ubuntu/Debian off the usb. The proxmox server has always been gracefully shut down/rebooted. I'm thinking of deploying a system that will have 3 SATA slots, plus an internal NVME in a PCIe adaptor card, plan is that SATA 1 will be an SSD as the Proxmox / boot disk, SATA 2 and 3 will be large HDDs as a ZFS mirror plus the NVME (partioned into two parts) as the read and write cache. alh Member. Its a fully updated proxmox with ZFS on the boot drive so RTFM-ing regarding Search. qpnmkye nwatl azdpl uxn cmpvfp mzjmgf lviln waguzt upbh xkoibds vnbr robxfb yfpxo uiyxi rxmwklqmg