How to remove duplicate vg in linux. If one or more physical volumes.

3. I can see they are duplicated by running md5sum for example on them. conf file. WARNING: Duplicate VG name vg_name: abCDe4-Ab9C-DeFG-a9bc-DEfG-LmNo-Pq0RsT (created here) takes precedence over aBcd8a-76ab-aBcd-EFge-9ab0-a7Bc-AbCddE. Chapter 4. # vgsplit myvg yourvg /dev/sdc1. The snippet is safe because volume names aren't allowed to contain shell special characters. Export the volume group. sudo service udev start. Click on ‘Find’. Click any single cell inside the data set. awk -v FS="" ‘{. The workaround is as follows (thanks to Martin): sudo umount /mnt # asume the drive in question is mounted under /mnt. The following command removes the logical volume /dev/testvg/testlv from the volume group testvg. With a default configuration, LVM commands will scan for devices in /dev and check every resulting device for LVM metadata. echo -e " abc \t def "|column -t|tr -s " ". It is reassuring to see awk and fdupes give the same results. Symptoms: The 'pvs', 'lvs' or 'pvscan' output shows "duplicate PV" entries and single path devices rather than multipath entries. Specify --type=raidXX to lvcreate or lvconvert. Dec 8, 2008 · 4. The umount. Logical Volume Backup. set $(lvs --noheadings -o lv_name,vg_name) lv_name=$1 vg_name=$2 Note that you can't just write lv_name=$(lvs --noheadings -o lv_name) because lvs puts extra whitespace around the value. change VG's UUID: vgchange -u VloGroupName. Click the Attach block volume button. Physical volume "/dev/sdb1" successfully created. Dec 5, 2016 · If we simply remove the duplicate frames, the 'pacing' of the video is lost, and what used to take, maybe, 5 seconds to display, now takes a fraction of a second, giving a very jerky, unnatural motion, although there are no duplicate images in the video. vgcfgbackup command creates backup files containing metadata of volume groups. VG/LV. Here's the output of update-grub2: Sourcing file `/etc/default/grub'. To set to debuf mode: 3. Let's start by looking at the output from " lsblk -f " (run as root), and then try to determine what is where and what you want to keep. How can I rename one of these VolGroups to get rid of this conflict? DESCRIPTION top. Create an image file of the Full install USB, (or Persistent USB), using Gnome-Disks. Nov 19, 2016 · lvm vgrename <vg uuid from vgdisplay> <new_vg_name> Thank you to @koppor! I too had two fedora_localhost-live VGs (pulled the drive out of a smoked machine and trying to get data off of it. Jun 24, 2020 · Use --select vg_uuid=<uuid> in place of the VG name. associated with the specified PV(s) and changes the associated VG and PV UUIDs. # find the duplicates: fclones group --isolate originals copies >dupes. Managing LVM volume groups. 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. We now need to prepare the disk for use in LVM by using the pvcreate command. Can't remove locked LV var pvmove --abort Couldn't find device with uuid RQr0HS-17ts-1k6Y-Xnex-IZwi-Y2kM-vCc5mP. In case your logical volume was mounted, you will have to remount to make the [root@localhost ~] vgdisplay --- Volume group --- VG Name vg_root System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 7 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 297,59 GiB PE Size 4,00 MiB Total PE 76182 Alloc PE / Size 59392 / 232,00 GiB Free PE / Size 16790 / 65,59 GiB VG Oct 20, 2019 · When I mounted the laptop hard drive, I got some warnings from the various vg commands about a duplicate vg name. I'm on a server that shows a duplicate VG name. Found duplicate PV Mar 23, 2012 · To transfer a logical volume to a different group, you cannot simply transfer extents, because that might split the physical volume between the source VG and the target VG. For example, pvcreate --uuid 56ogEk-OzLS-cKBc-z9vJ-kP65-DUBI-hwZPSu /dev/sdc. In addition, in a clustered environment you must deactivate a logical volume before it can be removed. Jun 13, 2022 · A bash script that uses awk to remove duplicate characters might look like this: #!bin/bash. Use vgimportclone command and import VG using a different name. May 3, 2013 · 5. May 6, 2016 · 0. The snapshot then copy with dd is a good method but might be slow if your file-systems are not full. The problem happens only, when specific timing characteristics and a specific system/setup are present. $ sort -b -k 2 -u users. Remove Duplicate Lines from a Text File. Feb 3, 2012 · 2. The following dialog box appears. Login as "root" and execute vgchange -a n. Some directories may not be displayed/deleted due to Syncing disks. 5. This solution is very fast because it copy only the used blocks. # vgchange -an design. Root Cause of Duplicate PV Warning. To remove a physical volumes: 2. To save the output to another file: $ awk The two devices displayed in the output are both multipath maps. Make sure that no logical volumes are present in the volume group, see later section for how to do this. Now you actually remove the volume group: # vgremove my_volume_group. In this case, you will have 2 VG on the system with the same name and administer them & mounting LVs in them is havoc. in the volume group are lost, consider vgreduce --removemissing to make the volume group. # df -h. $ uniq linux-distributions. This method will not sort the string: the words remain in the original order, only with the duplicates removed. Now in this example we are going to extend an existing volume group to incorporate this new partition. #Linux. An LV positional arg generally includes the VG name and LV name, e. mount /dev/vg1/lvol1 /bar. This is caused by the default filter in the /etc/lvm/lvm. Removing a volume group. WARNING: VG name ubuntu-vg-1 is used by VGs 0FSzGi-emNx-ILEO-MjLt-2RAa-Sn40-mn2voh and VkCMJn-0IyH-DPjA-4hdZ-GqOl-eNkj-4Plf12. 04 since there are a lot of duplicates: Here's a screenshot of the GRUB menu: Everything seems to be listed twice. Mount the file system. If you want your 2 devices to be treated as a single logical volume you need to expand volume group vgsystem to sdb1 and then create a logical volume: vgextend vgsystem /dev/sdb1. Tag Tag name. In this guide, we saw various command example to remove duplicate lines from a text file on Linux. Apr 2, 2015 · @iuvbio That regex deletes one line if the one immediately after is the same. If you can afford to sort the results, then go for the other answer (Peter's). Marking the volume group inactive removes it from the kernel and prevents any further activity on it. The server has 4 physical drives (PV's), each with it's own volume group (VG). Its approach gets rid of the duplicate lines on your text file without affecting its previous order. # vgrename vg02 my_volume_group. When I Oct 1, 2012 · 0. Within a volume group, the disk space available for allocation is divided into units of a fixed-size called extents. By default, vgcfgbackup automatically stores the backup files when the change is made in the LVM configuration. Jul 13, 2023 · 1. Like : cat file | sort -r | uniq. Share. 1) Create Image file from existing operating system: Boot Live Ubuntu USB and insert Full install, (or Persistent), USB to be copied. Import using VG UUID while keeping VG name the same. cifs is in /sbin directory, unless you specify the "-i" option to umount. 3. Then do: vgchange -a n originalvgname This will deactivate the volume group called originalvgname, but because only the duplicate devices are visible, it will deactivate it on them (the original originalvgname is already invisible because of the filter above). 1. Make sure to list your originals as the first argument. Now, the disk is completely removed from the LVM and can be used for other purposes. I already ran apt-get autoremove --purge, but there was nothing to remove. More methods do exist, but these are the easiest to use and remember. If one or more physical volumes. It is not a common issue. Once we confirm our existing drives, now it’s time to attach our new SSD drive to system and verify newly added drive with the help of fdisk command. Create the array with --metadata=1. If you still can't, then you'll need something more clever (a script) that parses the file and keeps unique entries as it goes through. Select to scan recursively or not by checking/unchecking checkbox on the top-right. Change the name of the Volume Group. Similar to pvcreate, we will execute vgcfgrestore with --test mode to check the if restore VC would be success or fail. Metadata backups and archives are automatically created whenever there is a configuration change for a volume group or logical volume, unless this feature is disabled in the lvm. Another solution would be to read file and skip the lines containing TABLE or Mar 8, 2015 · cd /. edited Sep 23, 2015 at 10:37. You can override the Jan 2, 2023 · Steps to use: Step 1: First choose the task that you want to perform from the left panel like I am choosing the Duplicates panel option, you can choose the other panel too. Activate the volume group. or, if the file is small enough (less than 4 billion lines, to ensure that no line is repeated 4 billion times), you can do: $ awk '!v[$0]++' input-file. 2, which is the default since 2010. After booting the LiveCD, plug the external USB harddisk. png to prime-499. Alternatively, if you are sure that the words in the first column do not have more than 2 characters which are the same, you can simply use: uniq -w3 file. Activate the Logical Volume Group. WARNING: Duplicate VG name vg01: Existing dKW6b3-COaO-4NXA-IbeP-UWTq-RUW6-AHHTAD (created here) takes precedence over kQH1c3-I0ZR-xUff-a8zP-fXzH-xrqP-MtjYGJ. And all done! Again you should remember, this utility do not delete the lint files but provide you with the information only and leaves everything on you. When done, click the “Delete” button. To create a volume group from one or more physical volumes, use the vgcreate command. # remove the duplicates: Jun 22, 2016 · printf '%s\n' "${Asep[@]}" which yields: Dog,Cat,Horse. tr -s " " will squeeze multiple spaces to single space. Leave all check boxes checked and click OK. convert tabs to spaces. $ awk '!seen[$0]++' sample_file. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Dec 16, 2020 · Duplicating a Ubuntu System for Distribution. vgrename is a command which used to rename VG in Linux. hardware snapshot). You can remove the VG now. One of the common uses of the uniq command is to remove the adjacent duplicate lines from the text file as shown. I use HP-UX syntax for lv, you might have to use /dev/mapper/myvg-mylv syntax. Closing Thoughts. lvcreate -l 100%VG -n lvsystem vgsystem. After restarting the node, LVM commands show: Apr 26, 2018 · Before vgreducing a PV out of the VG, you should check that the PV is reported as completely free by either the pvs or the pvdisplay command. LV Logical Volume name. Use the breadcrumbs at the top of the page, and select Instances. What you can do is transfer one or more PVs from the source VG to the target VG, with the vgsplit command. Now, you have two choices to import VG in such case. To get the pvremove help: Jan 9, 2024 · If you use the vgs with some additional parameters “sudo vgs -o vg_name,vg_uuid,pv_uuid” it will give you the VG UUID and the physical ID. Depending on the implementation of awk, you may not need to worry about Jul 13, 2023 · All you need to do is: Add/remove the directories to scan. Whereas if I have: variable="apple lemon papaya papaya mango" then it removes the duplicate papaya and prints: apple lemon papaya mango. Syntax# lvrename Volu_Group_NameOld_log_vol_namenew_log_vol_name# lvrename VolGroup work office Renamed "work" to "office" in volume group "VolGroup" So now our Logical Volume is renamed. Jul 24, 2023 · The awk command is part of the Free Software Foundation package and is primarily used for pattern scanning and processing language. May 4, 2012 · To remove an inactive logical volume, use the lvremove command. sudo cryptsetup luksClose <LUKS-devicename>. Nov 11, 2023 · Step 3: Restore VG to recover LVM2 partition. Finally, run the ‘pvremove’ command to remove the disk from the LVM configuration. Jun 7, 2020 · 3. See lvm(8) for common options. If you need to remove duplicate files from one directory tree that match files in another directory, all you need is the --isolate option. # vgdisplay. After we restore PV, next step is to restore VG which will further recover LVM2 partitions and also will recover LVM metadata. vgimportclone is used to import a duplicated VG (e. By default, the metadata backup is stored in the /etc/lvm/backup file and the metadata archives are Feb 26, 2015 · On a GNU system you'll need to use sed or similar if your locale uses multibyte characters (as jimmij suggests) because GNU tr can only reference a character per byte. Can't remove locked LV var lvremove -fff vg3/var Couldn't find device with uuid RQr0HS-17ts-1k6Y-Xnex-IZwi-Y2kM-vCc5mP. 5554 duplicate files (in 4301 sets), occupying 41484. For example, the following command removes the logical volume lvol1 in the volume group vol_grp. Use the command uniq, you can remove duplicate entries. $ sort -u users. One or more of my Volume Groups appears to have gone missing and I'm getting Duplicate VG warnings. You can remove all the logical volumes that used that physical volume from the volume group with the --removemissing argument of the vgreduce command. Jun 15, 2016 · Mark the volume group inactive. confirm removal. I execute the command a couple of times, to be sure. To restore the ability to boot: mount /dev/mapper/vg-mint-stick-root /mnt; mount /dev/mapper/vg-mint-stick-boot /mnt/boot; sudo nano /etc/fstab; # edit the volume group names for the mounts; cd /mnt ; for i in proc sys dev; do mount -o bind /$i $i; done; chroot /mnt; grub-install --boot-dir=/boot /dev/sdX; # select the correct drive; sync; sync Aug 31, 2019 · I have 500 files in a directory and some of them are duplicates. 11. Under Resources on the lower left, select Attached block volumes. txt #<--recommend syntax. If you lose a physical volume, you can activate the remaining physical volumes in the volume group with the --partial argument of the vgchange command. 163k 94 697 763. pvcreate erase all data on disk (and prepare for LVM) lvcreate sould create a logical volume lvol1, you specify lv name with -n bar. Use LVM's MD integration. Each VG has 2 or more logical volumes (LV's. So we have a VG (vg04) with two LV's that have become orphans than we need to clear out of Apr 3, 2012 · This section describes the commands that perform the various aspects of volume group administration. in command means the current directory in the Linux command line). All these use Bash≥4 features. # vgreduce my_volume_group /dev/hda1. Use pvmove for moving all the data to other PVs. 4. unmount the file system. To remove rows with the same values in certain Feb 11, 2016 · 3. If there are logical volumes that exist in the volume group, a prompt will be given to. 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. That script prompts for a Jun 21, 2012 · You can make sure you see the duplicate /dev/sdy devices via e. fdupes will also delete duplicate files with the -d option, and ask you to confirm each deletion. Be sure /dev/sda is the source (internal harddisk) and /dev/sdb is the destination (USB external harddisk). txt. ). kenorb. Oct 12, 2022 · SUSE Linux Enterprise Server 12 Situation By accident, existing volumes groups on a non mirrored or clustered device have been changed from a local managed into a clustered state as shown by vgs output: DESCRIPTION. txt that contains: adam Then, the final output will be: Oct 29, 2015 · Really nice solution, thanks. Turns out the laptop (despite naming the system something different) had the exact same vg name as my desktop hard drive! I immediately renamed the vg of the laptop hard drive to something else. pvremove Command Examples. An extent is the smallest unit of space Apr 4, 2024 · You can eliminate any duplicate entries in a file while ordering the file, run: $ sort +2 -u users. Without any options, the sort compares entire lines in the file and outputs them in ASCII order. When using Nov 6, 2023 · The vgcfgrestore command allows you to recover the logical volume without losing any data. This also works with vgs and lvs to find VGs and LVs. If there are logical volumes that exist in the volume group, a prompt will be given to confirm removal. The default location of the backup files is /etc/lvm/backup and It can be invoked indirectly by the umount(8) command when umount. Exporting Volume Group. 6. Except if duplicates are found at the end, one after the other then it doesn't work. See lvm(8) for valid names. Backup the system. # vgrename /dev/vg02 /dev/my_volume_group. # lvchange -a n /dev/myvg/mylv. Get the relevant volume group uuids from the system. Oct 24, 2015 · N; append a newline followed by the Next line of the file to the pattern space /^ *\([^ ][^ ]* *[^ ][^ ]*\)\( . This seems to be achievable using ffmpeg with an 'mp_decimate' option, viz:- Apr 3, 2011 · If the physical volume is still being used you will have to migrate the data to another physical volume using the pvmove command. On the Data tab, in the Data Tools group, click Remove Duplicates. Thus: grep These filename | sort -u. LVM related commands are spewing warnings about duplicate VGs. 4. my_list = [1, 2, 3, 2, 4, 3, 5] deduplicated_list = list(set(my_list)) Using collections. Mar 3, 2020 · Sometimes, the system boots into Emergency mode on (re)boot. sudo lvchange -a n <LV-name>. pvcreate /dev/sdb1. Cannot change VG vg3 while PVs are missing. To remove the Volume group we have to deactivate it first with vgchange command : # vgchange -an [vg_name] 3. Note. (the . OrderedDict: This method preserves the order of elements and efficiently removes duplicates. Then use the vgreduce command to remove the physical volume: The following command removes the physical volume /dev/hda1 from the volume group my_volume_group . Step 2: Choose the Search Path where you want to perform the task. See lvm(8) for information about tag names and using tags in place of a VG, LV or PV. ) Now LVM is complaining about the missing drive. You could however create a new VG and add it to that. Reduce the size of the LV by at least the size of the PV you want to remove ( lvresize ); check the success with pvs and vgs. for(i=1;i. 8 megabytes. Specifying -i to umount avoids execution of umount helpers such as umount. cifs command only works in Linux, and the kernel must support the cifs filesystem. *\)*\n *\1/ A very tricky regex: match any leading spaces, followed by a nonspace sequence, space or multiple spaces, nonspace sequence, then optionally a space followed by anything, then a newline, then any leading spaces, then the Nov 28, 2021 · 3. Jan 27, 2018 · # vgdisplay WARNING: Device for PV 6bVVia-tsco-GEyq-1zHZ-Vn8W-Eg0v-MNZMmG not found or rejected by a filter. Step 3: Click on the Find option to locate the files. If the logical volume is currently mounted, unmount the volume before removing it. Raw. Apr 26, 2023 · 0. I tried about 15 different combinations with vgrename then about 5 with lvm vgrename. Use pvremove for making the disk not look like a PV any more. Jul 10, 2020 · Sort command remove duplicates, but unfortunately I also need to remove lines with repeated PNUM’s and keep only one unique PNUM with longes text in example output it would be “PNUM-1234: [App] [Tracker] Text 123 ssd vp” and 2 others line with PNUM-1234 should be removed from the file. Description. 14. Renaming a Volume Group. vgremove removes one or more VGs. Prev. Either of the following commands renames the existing volume group vg02 to my_volume_group. You can use lvremove command to remove the specified logical volume in the volume group. To force the pv remove: 4. To remove an inactive logical volume, use the lvremove command. Then use the vgreduce command to remove the physical volume. Sep 27, 2017 · I know, that the /dev/sde block device doesn't exist anymore (cause I've stopped a piece of software, which simulated it), but I still see it in the lsblk output and in the /dev directory. Select the lines in visual-line mode ( Shift + v ), then :!uniq. May 22, 2014 · This example counts up all the duplicates in Pictures, and how much disk space they’re using: $ fdupes -rSm Pictures/. metadata consistent again. The vgcreate command creates a new volume group by name and adds at least one physical volume to it. #Tags. Consider vgreduce --removemissing. pvs. Volume group "yourvg" successfully split from "myvg". Result. You have to supply the old VG name and required a new name. After you get to console, change all PV's UUIDs: pvchange -a -u. Mark the volume group inactive. BTW, to see the whole output you can use cat - -A: shows you all spacial characters including tabs and EOL: Jan 15, 2017 · Rep: That might or might not be straightforward to clean up. Creating Volume Groups. answered Dec 8, 2008 at 22:32. Ex: variable="apple lemon papaya papaya" prints: apple lemon papaya papaya. Use the vgrename command to rename an existing volume group. The only one that works is this: Mar 2, 2021 · It is also many factors faster than fdupes. # vgrename /dev/vg01 /dev/testvg. Nov 25, 2016 · In Linux, we have one command which does all this stuff in the background for you. g. This command will disable LVM in both disks. Aug 20, 2014 · I want to remove duplicates from this file, to get only for the question at 1: column1 column2 john kerry adam stephenson ashley hudson For question 3, I want to take the 2nd listmeaning the output of the 1st list and scrub this futher. Then select “Yes” on the confirmation pop-up window to delete the duplicate files. If you want to remove VG vgsystem from /dev/sda1 use pvremove vgsystem. 1. Select the Ok button in the pop-up window, and wait for the volume to detach. Remove Duplicated Lines in a Text File. Volume group "/dev/vg01" successfully renamed to "/dev/testvg". In an ASCII locale you can remove all duplicates w/ tr like: VG Volume Group name. The following command removes the physical volume /dev/hda1 from the volume group my_volume_group . However, this only checks for files inside the given directory. Thoughts? – Issue. $ sudo lvremove vol_grp/lvol1. conf, which is as follows: filter = [ "a/. OR. Remove Duplicate Lines in File. Import the volume group. If not, and you have other PVs in the VG with free space available, you can use the pvmove command to move the data out of the PV you wish to remove and onto one (or more, if necessary) of the PVs you're If you need to copy a logical volume from VG A to another VG B, I found a interesting variant using partclone. They are called prime-0. Deactivate the volume group: # vgchange -a n my_volume_group. Oct 5, 2015 · To remove the duplicates, one uses the -u option to sort. May 17, 2021 · These should be all the commands you need in order to drop duplicate lines from a file, while optionally sorting or counting the lines. Select the ol-node02 instance in the list. You can specify which PVs you want to transfer, or which LV (but Mar 27, 2020 · To find duplicates in a particular directory, simply type fdupes <directory_path> on the Linux terminal, and run it. and rename your volume group to a new name. Make sure that no users are accessing files on the active volume. How can I delete the duplicate files so I am left with only one copy of each? md5sum prime-* gives me: Below is the summary of steps to perform to import new volume group with same name as that of already imported VG. May 3, 2013 · To move a volume group form one system to another, perform the following steps: Make sure that no users are accessing files on the active volumes in the volume group, then unmount the logical volumes. Sep 21, 2017 · You can filter LVM commands’ output directly using the -S option: # pvs --noheadings -o name -S uuid=MtLb3p-MUle-8fyk-fy6m-z99n-V9mi-xxxxxx /dev/sdb3. Once you have verified data are OK, in new place: 3. png. Note: Did you see in the above screen, that the new drive has been added successfully with name “ /dev/sda “. Apr 18, 2015 · Scenario 2: If the disk is installed in the server, but still unknown, the LVM meta data may be missing. Duplicate VG(s) and PV(s) are not. We had a disk fail in a server and replaced it before removing the drive from LVM. bash. This could be done in different ways, but I've tried to restrict myself to the tools you suggested: cut -d, -f1 file | uniq | xargs -I{} grep -m 1 "{}" file. If one or more PVs in the VG are lost, consider vgreduce--removemissing to make the VG metadata consistent again. Jul 6, 2016 · Removing partial LV var. read string. 2) Truncate image for distribution, remove unwanted space from end of image file. 2. cifs. When running vgdisplay command to check for free space, it shows: Raw. --- Volume group --- VG Name lvm System ID Format lvm2 Metadata Areas 0 Metadata Sequence No 4966 VG Access read/write VG Status resizable MAX LV 0 Cur LV 32 Open LV 0 Max PV 0 Cur PV 1 Act PV 0 VG Size <3,00 TiB PE Size 32,00 MiB Total PE 98303 Alloc PE / Size 47232 / 1,44 TiB Free PE May 23, 2023 · Hold down the “CTRL” button on the keyboard while clicking on the file names you want to delete to select the files. You should run the vgreduce command with I want to remove duplicate entries from a text file, e. There are two ways to avoid this. But in this specific case is not producing exactly the expected result as the file must be sorted for uniq to work - it will only detect duplicate lines if they are adjacent. If you want to count duplicates or have a more complicated scheme for determining what is or is not a duplicate, then pipe the sort output to uniq: grep These filename | sort | uniq and see man uniq` for options. I want to clean up the entries in GRUB on Ubuntu 22. If you do not want to change the order of the input file, you can do: $ awk '!v[$0]{ print; v[$0]=1 }' input-file. That's usually caused by using dd or similar tools to clone a disk or partition. column -t will: remove the spaces at the beginning and at the end of the line. txt #<--outdated syntax. vgremove allows you to remove one or more volume groups. LVM commands report Duplicate VG names. PDF. Excel removes all identical rows (blue) except for the first identical row found (yellow). I want a file like input. This step is DESCRIPTION vgremove allows you to remove one or more volume groups. To do so use the lvremove command : # lvremove -f [vg_name]/[lv_name] 2. If one or more physical volumes in the volume group are lost, consider vgreduce --removemissing to make the volume group metadata consistent again. g: kavitha= Tue Feb 20 14:00 19 IST 2012 (duplicate entry) sree=Tue Jan 20 14:05 19 IST 2012 divya = Tue Jan 20 14:20 19 IST 2012 Oct 7, 2014 · Step 2: Check for Newly added Drive. That'll only catch duplicates which come one after another. echo -n “Enter string: “. Repeat the force option ( -ff) to forcibly remove LVs in the VG without confirmation. sudo service udev stop. In the above output, we can see that the uniq command has successfully eliminated the duplicated lines. A volume group (VG) is a collection of physical volumes (PVs), which creates a pool of disk space out of which logical volumes (LVs) can be allocated. You need to restore the UUID for the device as displayed by pvscan, and then run vgcfgrestore to restore the LVM meta data. where. If you're stuck on older Bash versions, there are workarounds but it won't be as safe and nice and easy…. Remove the logical volume in the volume group. . Use the -a n argument of the vgchange command to mark the volume group as inactive, which prevents any further activity on the volume group. Use vgreduce for taking a disk out of a VG. Previous Next. First create a snapshot of the source LV Mar 24, 2014 · NOTE: To rename a Logical Volume you will have to unmount your partition. If LVs exist in the VG, a prompt is used to confirm LV removal. LVM doesn't expose unassembled devices. sort has many options: see man sort. vgchange -- volume group "design" successfully deactivated. Nov 18, 2022 · Different examples to use lvremove command. Sample Output: If the physical volume is still being used you will have to migrate the data to another physical volume using the pvmove command. First make sure no users are accessing files on active volume, then unmount it. Mount the Logical Volume and verify data avilability. Else go to the required directory using cd and run fdupes. from collections import OrderedDict. then you should be able to make a filesystem on /dev Jan 3, 2018 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have The following command deactivates the logical volume mylv and then splits the volume group yourvg from the volume group myvg, moving the physical volume /dev/sdc1 into the new volume group yourvg . To avoid having to deal with the spaces at the start of the output, add --config 'log {prefix=""}': Jun 20, 2024 · Using a Set: Convert the list to a set to remove duplicates and then convert it back to a list. able to be used until they are made to coexist with the origin VG(s) and PV(s). Once you have umounted all the mount points, you can remove the LVs associated with them. umount /mnt. 7. vgimportclone renames the VG. You've got duplicate UUIDs. Fix duplicate VG names with vgrename uuid, a device filter, or system IDs. The PV superblock will be shifted by 512k, and won't be recognisable on unassembled devices. */". nw rd wk dv sl np yk tv zo uf