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Unable to remove lvm

  • Unable to remove lvm. - The file system is unknown to GParted. May 12, 2020 · Before you go ahead and delete logical volume you need to first disable it using lvchange command as shown below. Unmount the volume. 3 Check free space. Removing thin pool LVs, thin LVs and snapshots. Share. Sometimes the lvremove fails with 'Can't remove open logical volume "VolumeName"'. Code: cat /etc/mtab. Oct 25, 2010 · However, I see this: !! ERROR: Unable to automatically remove LVM data Because the volume group(s) on the selected device also consist of physical volumes on other devices, it is not considered safe to remove its LVM data automatically. If you do run. I tried lvconvert --repair vg0/mythinpool. Volume group "vg_1" successfully extended. To install LVM on Ubuntu, Debian, and Linux Mint: $ sudo apt install lvm2. You need to unmount all partitions in the extended partition that may be mounted. By using these PVs, you can create a volume group (VG) to create a pool of disk space for the logical volumes (LV Aug 1, 2016 · According to the LVM HOWTO, you should use pvmove for moving the extents first: In 11. Finally, run the ‘pvremove’ command to remove the disk from the LVM configuration. Removing an origin logical volume will also remove all dependent snapshots. pvremove /dev/sdb1. Check to make sure your volume you want to remove is there. The container showing its root disk in LVM and nothing referencing the NVR storage. A logical volume must be closed before it can be removed: # umount /dev/myvg/homevol # lvremove /dev/myvg/homevollvremove -- do you really want to remove "/dev/myvg/homevol"? [y/n]: ylvremove -- doing automatic backup of volume group "myvg" lvremove -- logical volume "/dev/myvg/homevol" successfully removed. LVM was picking up the old metadata from an old partition lying around, so by wiping the old partition and rebooting, I removed the duplicates. //edit vg. You can do the following: - delete local-lvm storage in gui. If you are new to Logical Volume Management (LVM), I recommend reading the LVM series article listed below: Make a Note: Shrinking is not supported in GFS2 and XFS file system. If the physical volume you want to remove is Dec 3, 2021 · remove the watcher from the blacklist $ ceph osd blacklist rm 172. Jul 16, 2004 · Re: unable to remove the failed disk from LVM control The "vgreduce /dev/vg03 /dev/dsk/c1t12d0" shoud work fine. # chdev -l hdisk2 -a pv=yes. This extent size is the minimum amount by which the logical volume can be increased or decreased Mount the LVM volume. May 12, 2020 · 3. I booted on a live USB, but the install failed as my previous lvm partition /dev/ubuntu-mate-vg could not be removed. Nov 29, 2018 · Issue description. Resize the volume. Jul 5, 2015 · Obviously, only the filesystem superblock is corrupted. I want o remove at least one physical disk let say /dev/sde from LVM and distribute its workload across other PV and then remove physical storage from server. Right-click on it and choose unmount. If you see the status change it's an indication that you can at least access the disk correctly. In most cases, this delay is within a few seconds. lvm. Step 4: Delete LVM volume. vgdisplay pve Nov 16, 2015 · I finaly solved it very with some simple steps as described here: remove corrupt LVM thin pool. libvirt, the array or the server. Unable to remove lvm I am trying to remove an lvm on my drive which sits in /dev/sda6. Gave it a shot. Can't remove open logical volume "LV4". Thin pool svg-thinpool-tpool (253:16) transaction_id is 1302, while expected 1303. You can also use wipefs -a /dev/sdxY to remove all filesystem signatures from a device. I should add that in the VM the new space was not available, so I had to run those 2 commands: expand LVM to all remaining free space: lvextend –l +100%FREE [MOUNTPOINT] expand filesystem: sudo resize2fs [MOUNTPOINT] Share. Delete Logical Volume using lvremove command. [root@redhat -sysadmin ~]# lvextend -l +100%FREE /dev/centos/root. The following output is from a test installation using a small 8GB disk: This causes LVM to provide more details in the system log. Here's what I got- Unable to automatically remove LVM data. 1:0/523356342 un-blacklisting 172. To install LVM on CentOS, Fedora, AlmaLinux, and Red Hat: $ sudo dnf install lvm2. Yes, fdisk always asks if you want to remove existing filesystems first: The device contains 'LVM2_member' signature and it will be removed by a write command. Failed to update pool svg/thinpool. when the open count reaches zero. g. Delete volume group : # vgremove datavg. Where /FSname is the full path name of a file system. Last edited by GlennsPref; 03-16-2013 at 05:40 AM. Mar 23, 2022 · You should be able to: Create a thinpool on /dev/sda. I get this message: TASK ERROR: storage 'ssd-1. /dev/XXX has to be replaced with the corresponding device. The best way to recover in your situation is to detach the disk you have now attached to sda and attach this disk in question to sda, then boot from it. Click the disk you want to delete. Read developer tutorials and download Red Hat software for cloud application development. May 20, 2020 · 1. Now disk xvdf can be removed/detached from server safely. Improve this answer. When i do df command, Disks are under utilized. 04 from scratch. vgcfgrestore -f vg. # cat /etc/fstab. lvremove command fails to remove the lvm volume with the below error messages Unable to remove unmounted logical volume. So far so good: Then I go to remove the LVMs: Both storages are gone, but "blah1" is still listed in the LVM list, and still showing in the LVM page in the GUI. If the physical volume is still used you will have to migrate the data to another physical volume using Removing the Old Physical Volume from the Volume Group. e. vgremove VolGroup01. Mar 3, 2020 · Can't remove merging snapshot logical volume "lvdata-snap" sles:~ # lvconvert --merge -i2 /dev/vg00/lvdata-snap Snapshot lvdata-snap is already merging Unable to merge LV "lvdata-snap" into its origin. Posted October 17, 2016. This might go back to the IBM write and verify problem. Extend the LV with the lvextend command. If the physical volume you want to remove is currently part of a volume group, you must remove it from the volume group with the vgreduce command, as The helpful folks at the #lvm channel on Freenode found a solution for me! One simply needs to deactivate the partition mapping using the command kpartx -d /dev/vg/mylv. The 'lsof' command shows no files open from the snapshot mount point. Before we start, make sure we login to PVE web gui, delete local-lvm from Datacenter -> Storage. If you have your VMs deployed in local - then you're safe. Follow the prompts to OK the change and voila, you will have unallocated free space. deactivated or removed while they are open (e. Attached are the outputs of my physical volumes 4. Now run. Stop the application corresponding to the PID or kill the process. Is there a way to forcibly remove the volume in NVR through the shell command line? Apr 16, 2017 · I've been able to remove one drive (sdb) by using --fail and --remove, but sdc isn't responding, nor will md127 respond to --stop --force. Unable to deactivate vg-lv_a (253:22) # dmsetup remove vg-lv_a. # umount /data. Please remove it's LVM data first. log user@somehost:~ and reboot again from SystemResqueCD. Sep 17, 2018 · LVM Remove physical volume from volume group. Disable Logical Volume using lvchange command. I'm at a loss for what to try next. In your case, you need to unmount swap partition. May 10, 2020 · PV move command gives the following warning. By using these PVs, you can create a volume group (VG) to create a pool of disk space for the logical volumes (LV Aug 15, 2016 · Issue. You can apparently disable the os-prober from running by setting GRUB_DISABLE_OS_PROBER=true in the etc/default/grub file. A quick checklist is available for experienced Linux Admins. Delete physical Volumes being used for the volume group “datavg” : # pvremove /dev/sdb /dev/sdc. Code: lvremove (nameofvolume) - This will remove that volume. No extents available for allocation. conf (5) devices/devicesfile and devices/use_devicesfile The issue is i can not find the vm-101disk-0. My system complains loudly Step 2: Check for open file desriptors or active processes running on this LV. $ reboot. # lvchange -an /dev/mapper/vg-lv_a. Logical volume management (LVM) creates a layer of abstraction over physical storage to create a logical storage volume, which is a virtual block storage device that a file system, database, or application can use. 08% full. For Example: 3. With the “vgs” command, you can verify your volume group was successfully extended. the unmount and lvmremove process for a snapshot. Figure 8: Use the lvextend command to extend the LV. lvm[3036]: WARNING: Snapshot osvolgrp-rootsnapshot changed state to: Invalid and should be removed. 3. Unfortunatelly vg0 is the only volume groupe on the system sharing Oct 7, 2019 · 4. $ sudo wipefs -a /dev/sdb2. May 22, 2015 · I resized the lvm (sda5) partition. Not an answer to my question as posted, but a solution to my problem and hopefully useful to anybody in the same boat. Get training, subscriptions, certifications, and more for partners to build, sell, and support customer solutions. Reboot. 6. - There is no file system available (unformatted) - The device entry /dev/sdb5 is missing. The installer lets you select a single disk for such setup, and uses that disk as physical volume for the V olume G roup (VG) pve. also happen when the physical volume was not removed from the volume group first while the disk was already remove from the system . May 12, 2022 · In most cases, Proxmox deletes associated disks when deleting a virtual machine. The 'dmsetup info -c' command shows the LV is still opened. conf(5) auto_set_activation_skip controls the default activation skip setting used by lvcreate. 332418] device-mapper: snapshots: Invalidating snapshot: Unable to allocate exception. I can't figure out how to fix this. I've run fuser and lsof, and neither show anything using md127. vgcfgbackup -f vg. $ sudo system-config-lvm sudo: system-config-lvm: command not found $ sudo apt install system-config-lvm Reading package lists Done Building dependency tree Reading state information Done E: Unable to locate package system-config-lvm – Feb 7, 2013 · Highlight the volume to be resized and right click for options, choose reduce volume. Once the devices are gone, lvm won't have any disks to fail reading them from. Run fdisk /dev/sda and press: Then run testdisk: Then store testdisk's backup somewhere by scp backup. lvm[3036]: No longer monitoring snapshot osvolgrp-rootsnapshot. umount /dev/pve/data. Feb 21, 2019 · Remove a Physical Volume listed as an “unknown device” is one of the most known issues for an Linux administrator, and that happen when LVM has scanned the storage stack, but it is unable to find a required PV UUID. It is an exact copy of LVM volume which has all the data of volume at the time of its creation. Step 3: Disable LVM. Nov 11, 2023 · I will share the steps to reproduce the scenario i. Thanks in advance for any help provided. The above is pretty much what I see while installing/removing packages as well. 1 Login to pve via SSH. # lvremove /dev/VG0/LV4. – If you are unable to unmount or lvremove a logical volume, verify that there are no processes holding the LV. The file must exist in /etc/lvm/devices/ and is managed with the lvmdevices (8) command. deactivating any active logical volume prior to removal. Dec 19, 2016 · If you have VMs deployed in local-lvm - then yes, you'll lose them. 1. LVM normally allocates blocks when you create a volume. You are trying to "reduce" a volume group to nothing. To fix this issue, execute the following commands, in case if it is an ext2/3 filesystem: mke2fs -S /dev/XXX && fsck /dev/XXX. Oct 17, 2016 · Community Developer. Previous. 5. A Red Hat training course is available for Red Hat Enterprise Linux. # lvremove svg/snap_mongodb. Dec 21, 2021 · LVM Basics; 1 Delete/Remove local-lvm. Failed to suspend and send message svg/thinpool. # sudo lvremove /dev/ops/dbbackup. Volume group "ubuntu-vg" not found. Since it doesn't get unmounted the lvm rationally refuses to let you delete the partition. To allow the LVM to grow, the block device needs to be added as a physical volume to LVM without any partitioning on it. If you simply want to be able to remove your logical volume you can run findmnt | grep <lv-name> and then run umount on the Oct 28, 2015 · Hello there, I am trying to remove a leftover Testing-VM. I have created a sample ruby script file for removing extra LVM snapshots from the system. 1:0/523356342 That's all, but still finding the root cause. If the May 13, 2015 · If it's THE extended partition, you can't delete it without removing all the logical partitions in it. device-mapper: remove ioctl on failed: Device or resource busy. 6. You can also go to /etc/libvirt/qemu/ through the command line or mc and delete the vm's xml. Raw. Removing physical volumes from a volume group, Make sure that the physical volume isn't used by any logical volumes by using the pvdisplay command, then. This overrides the devices file. If set-up correctly, the LVM can grow as the disk/raid might grow. Dec 11, 2020 · Check to see if you have nay volume's still in that group. I created a new LVM storage pool with a pre-created PV and VG. Executing the pvremove command zeroes the LVM metadata on an empty physical volume. If you wish to use this device for partitioning, please remove its LVM data first. Jan 29, 2019 · Following a reboot I have an ext4 LVM that is unable to mount, returning the following message: mount(2) system call failed: Structure needs cleaning. 18. after reboot you can see your volumegroup vg0 by command vgdisplay. However, I can install and remove packages just fine, seemingly including lvm2 itself. Find the major,minor number in ‘lsof’ command output. If it’s a SAN disk, take a snapshot, it’s very easy to restore. The system doesn't seem able to find the LVM partitions at all: $ sudo vgchange -ay ubuntu-vg. Resize the contained file system. I'm looking to resize my ubuntu partition (/dev/sda2) and tried first shrinking the Logical Volume through lvm and then the physical volume through both lvm and gparted. See full list on cyberithub. The physical volume (PV) is either a partition or a whole disk. Delete a VM Disk via GUI. 4. Oct 8, 2022 · In case somebody is looking do the same as I was, here is the solution: Before start, make sure login to PVE web gui, delete local-lvm from Datacenter -> Storage. To know more about LVM configuration you can check on How to configure LVM (pvcreate, vgcreate and lvcreate ) in Linux Using 6 Easy Steps. Storage pool type: lvmthin. Why do I need to remove a pv that does not exist you say? Somewhere during the installation and configuration of an external disk array, the device table appears to have become corrupt. Then you need to boot from rescue disc and resize ext4 file system. Attempting to flush a multipath map with "multipath -f" or "multipath -F" results in "map in use": # multipath -f mpath7 mpath7: map in use Unable to remove the multipath device, even after unmapping the LUN from the server. Then proceed. I would like to install Ubuntu 20. Either via UI in [Node] > Disks > LVM Thin > Create: Thinpool. will show what is mounted. You can relabel the LVM at the same time you enter the new size. I've unmounted the BTRFS volume successfully but I can't do anything with the disk s . Filed Under: Linux. If the non-root LVM volume, Volume Group, and Physical Volume used for the LV are no longer required on the system, then it could be removed/deleted using following steps. # vgreduce myvg /dev/sdb1. You can create an LVM volume group (VG) myvg using the /dev/vdb1 and /dev/vdb2 physical volumes (PVs). You can make as many new LVMs as you need with the available space. The origin LVM volume has been in an "(O)rigin with merging snapshot" state for several days and across several reboots. device-mapper: remove ioctl on vg-lv_a failed: Device or resource busy LVM reads disk labels to figure out which devices contain pv:s. Nov 21, 2021 · A short guide with an example demonstrating how to remove an LVM disk. - lvremove /dev/pve/data. Package: schroot Version: 1. Most all advice I found so far to fix this problem is to run fsck, which I did, but it detected no problem and I'm still unable to mount. Confirm to delete. The unmount command executes only if none of the file To find the process that is keeping the logical volume open, follow the steps below. Resize the volume container partition. The unmount command fails if the file system you are trying to unmount is currently being used. Prev. 04 bootable usb. Select the local-lvm, Click on “Remove” button. Jun 25, 2021 · A disk hosting part of an LVM volume failed, I'm trying to unmount everything properly to run btrfs check on it. Dec 25, 2020 · I get to the partition part and it says "Unable to automatically remove LVM data" Go to manual Then Configure the Logical volume manager All it says is keep the layout and config LVM. For other FS, it is expected to use the corresponding mkfs commands. bak and remove all thinp related volumes. By default, when physical volumes are used to create a volume group, its disk space is divided into 4MB extents. 8k. Removing a thin LV and its related snapshots returns the blocks it used to the thin pool LV. # lvchange -an /dev/CVOL/workspace. Resize the volume container. umount /dev/pve/data lvremove /dev/pve/data. This told me that volumegroup vg0 has insuficiant space: 1 extends, 5 required. 5. LVM copies blocks or chinks from volume to volume so it’s comparatively fast than file-based backup. Jan 27, 2020 · To add a physical volume to an existing volume group, you need to use the “ vgextend ” command, specify the volume group and the physical volumes to be added. Using gparted (after deactivating the partition), it fails on the command: WARNING: PV /dev/sda3 in VG ubuntu-mate-vg is using an old PV header, modify the VG to update Oct 14, 2020 · 2. Mar 7, 2017 · Before restoring boot you need to restore LVM! Boot your system again from SystemResqueCD. root@hostname:# lvremove /dev/testvg/testlv Logical volume management (LVM) creates a layer of abstraction over physical storage to create a logical storage volume, which is a virtual block storage device that a file system, database, or application can use. Apr 10, 2021 · Use the appropriate command below to install LVM with your system’s package manager. I then attempted to launch a very basic ubuntu cloud instance, the image downloaded to the new storage pool and the container created records that it made it on the new storage pool as well (verifiable by lxc storage volume list new-pool), but the container failed not being able to use the pool for some reason. Removing a logical volume. The problem was fixed. Jun 3, 2002 · Greetings, I am unable to remove a non-existant physical volume from a volume group. Apr 21, 2021 · Extend the Logical Volume. # lvdisplay svg/snap_mongodb. Feb 5, 2021 · lvm[3036]: WARNING: Snapshot osvolgrp-rootsnapshot is now 95. Step 3: Remove LV. change VG's UUID: vgchange -u VloGroupName. manually delete the LVM metadata and then steps to recover LVM2 partition, restore PV, restore VG and restore LVM metadata in Linux using vgcfgrestore. May 10, 2021 · 1. Execute the LVM command with the -vvvv option. Regards. 0. Find the major,minor number corresponding to the Logical Volume: For Example: 2. 26-1 Severity: important Dear Maintainer, I was unable to use sbuild with LVM schroots because of failures to remove LVM snapshots with the following errors: #+begin_src Purging /«BUILDDIR» Not cleaning session: cloned chroot in use E: 05lvm: Unable to deactivate open hati-sid--amd64--sbuild--ae3ae89c--e79c--4ce1 Get product support and knowledge from the open source experts. Because the volume group(s) on the selected device also consist of physical volumes on other devices, it's not safe to remove automatically. 1. Jan 22, 2021 · Unable to deactivate logical volume "lv_a". We wrongly added existing LVM Volume Group (which is used by host os) inside the virt-manager storage pool, right now we are unable to delete added storage pool called "tnpmdc_fs". Volume group is a logical aggregation of physical volumes in LVM (Logical Volume Manager) Technology. Delete Volume Group using vgremove command. Jan 5, 2023 · To use storage devices with LVM, they must first be marked as a physical volume. Jun 25, 2020 · Before removing/detaching disk from the server, you need to remove it from LVM. Please ensure that all lvols with extents mapped to that disk have been reduced before. First, use the lvmdiskscan command to find all block devices that LVM can access and use: sudo lvmdiskscan. Advertisements. LVM shapshot were created when thinpool had space issue, but now they can't be deleted. I suppose you could do a vgchange -a n <name_of_errorvg> before you remove the devices. # chdev -l hdisk2 -a pv=clear. I was running LVM on top of md127, but I've umounted the LVs and I've done "{lv,vg}change -an vg_Name". # lspv. Image I want to move/delete (Without completely removing the CT) The CT's already existing volume on local-lvm. This overrides the lvm. This command is working fine and we can remove snapshots from the system. If the problem is related to the logical volume activation, enable LVM to log messages during the activation: Set the activation = 1 option in the log section of the /etc/lvm/lvm. Output. See fdisk(8) man page and --wipe option for more details. You can now reallocate the disk to another volume group or remove the disk from the system. The lvextend command allows you to extend the size of the Logical Volume from the Volume Group. Now, the disk is completely removed from the LVM and can be used for other purposes. Logical volumes cannot be. and rename your volume group to a new name. 4. Take note of the 5th column, which indicates if a volume is “open,” and the 2nd and 3rd columns, which are the Unable to remove a multipath device in order to proceed with unmapping the LUN from the server. Removing Physical Volumes. Then restart rc. conf configuration file. $ vgextend vg_1 /dev/sdc. Jun 6, 2023 · Any open files will need to be closed and any running processes using the LVM snapshot will either need to be completed or killed (if it is safe to do so). If the above command doesn’t return any output, try to ‘grep’ using just LV name. If you see any open processes or file descriptors, kill them using ‘pkill’ or ‘kill -9’ [ ‘man’ command for options]. Code: vgdisplay. if they contain a mounted filesystem). Jun 29, 2017 · LVM snapshot is a frozen image of the logical volume. Command to remove the activation skip flag from a snapshot LV: lvchange -kn VG/SnapLV. I'm fairly new to linux. Interrupt the GRUB boot process and edit the kernel command line as follows: Remove these (if present): rhgb quiet. Feb 11, 2016 · 3. To remove a logical volume through SMIT, use the following procedure: If the logical volume does not contain a file system, skip to step 4. Apr 17, 2012 · ERROR: Unable to automatically remove LVM data Because the volume group(s) on the selected device also consist of physical volumes on other devices, it is not considered safe to remove its LVM data automatically. [Press enter to continue] The Proxmox VE installation CD offers several options for local disk management, and the current default setup uses LVM. Now you can remove the LVM volume label from the physical volume with pvremove. We don't know how to securly remove this VM. These are the general steps to take. Dec 2, 2018 · Possible reasons are: - The file system is damaged. After following the advice from @shodanshok to boot into Live CentOS7 sticked to the server on an USB stick, I was able to issue the Mar 16, 2013 · Code: umount -a. While shrinking the logical volume worked, shrinking the physical volume did not. bak vgname. After you have moved the data off /dev/sdb1, you can remove it from the volume group. – Jan 4, 2021 · Step 1: Delete entry from /etc/fstab. In this article, I will take you through the steps to delete Volume Group in Linux. 2 Unmount and Delete lvm-thin. Creating LVM volume group. This specifies that LVM can use the device within a volume group. 2. To determine if the LVM filter may be an issue, run you can take additional steps to investigate from the dracut shell: 1. This was on an Ubuntu 18. To install LVM on Arch Linux and Manjaro: $ sudo pacman -S lvm2. lvremove removes one or more logical volumes. LVM provides flexibility to organize logical volumes without being bound to inflexible partitioning. This behaviour is called thin-provisioning, because volumes can be much larger than physically available space. --devicesfile String A file listing devices that LVM should use. It's caused by a delay between the time that the snapshot is unmounted and. 7TB' does not exists We already removed this ceph storage. Removed "/dev/sdb1" from volume group "myvg". You can do this by reducing VG and opting for that disk out. Dec 8, 2023 · It is always recommended to take a backup before shrinking an LVM partition. kernel: [ 8406. The specifics depend on the file system and I don't know the LVM commands by heart. First try to un-mount the LVM snapshot from the system (in case it has been mounted): Mar 3, 2020 · This condition is most frequently reported when a script is used to automate. 1). The 'mount' command shows it is unmounted. This removes the partition device entry and allows me to once against deactivate the LV without problems. To remove a disk manually, use the GUI or a terminal shell. Maybe it would be enough to remove /etc/pve/qemu-server/. If a device is no longer required for use by LVM, you can remove the LVM label with the pvremove command. Nov 16, 2015 · device-mapper: thin 353:9: unable to switch pool to write mode until repaired Thin pool transaction_id=4, while expected: 5 Failed to update mythinpool. Step 2: unmount the partition. com Jan 6, 2019 · The second LVM, called "blah2", I created on /dev/sdd in the shell, via: pvesm add lvm blah2 --vgname blah2vgxx. Then, use the Remove button to instruct Proxmox to delete Oct 24, 2017 · I think system-config-lvm is no longer in use. raw to delete. LVM thin pools instead allocates blocks when they are written. and then remove the mount point in fstab. This option can be repeated or accepts a comma separated list of devices. root@kerneltalks # vgreduce vg01 /dev/xvdf. However I don't see to be able to delete it I think maybe /dev is blocking it but not sure as haven't dealt much with lvm before. Select the virtual machine from the resource tree and open the Hardware tab. Or via CLI create a volume group that owns /dev/sda with pvcreate and vgcreate and then create a thinpool as described here, replacing the volume group name and size accordingly of course. can you guide us Unable to delete LVM based storage pool added in virt-manager - Red Hat Customer Portal Issue. Backup volume is read-only in LVM and read-write in LVM2 by default. And reboot! You should be able to manipulate the partition after that. May 27, 2018 · Could anyone guide me on how to remove the current /dev/sda2 using parted and then add it back extending the disk space from 10GB to 25GB. conf Thank you and best Dec 8, 2023 · If it’s free and used show as '0', use the ‘vgreduce’ command to remove the physical volume /dev/sdb from the volume group: Common Syntax of vgreduce. - lvresize -l +100%FREE /dev/pve/root. Confirmation will be requested before. Removed "/dev/xvdf" from volume group "vg01". vgcfgbackup can be used to manually create LVM backups, as these backups are very helpful and can also be used in LVM Disaster Recovery. 2. 7. # lsof | grep /path-to-LV-volume. Add this: rdshell. And now you can remove or repurpose the disk. May 22, 2014 · The lvmcache(7) manpage describes how you can remove the cache pool without removing its origin volume: Removing a cache pool LV without removing its linked origin LV This writes back data from the cache pool to the origin LV when necessary, then removes the cache pool LV, leaving the un-cached origin LV. Get product support and knowledge from the open source experts. Reinstalling LVM2 package doesn't help, nor dpkg --configure -a or dpkg --configure lvm2 . Locate the major/minor numbers for the logical volume you’re trying to remove (ie lvol0): dmsetup info -c | grep lvol0. You can use the normal LVM command-line tools to manage and create LVM thin pools (see Nov 4, 2014 · What is the output of; Code: # lspv. /dev/CVOL/workspace /data ext4 defaults 0 0. Instead, to delete it, use vgremove. After you get to console, change all PV's UUIDs: pvchange -a -u. For removing LVM snapshot, we are using lvremove command. rh dh tx oe ss hz bo pb me fw