Either of the following commands renames logical volume lvold in volume group vg02 to lvnew. Boot into rescue mode and choose option 3 skip to shell. Rename command can be used to rename multiple files in linux at once. How to rename volume group kernel talks unix, linux. In this article we will see how to do it in a proper way. You must specify lv when managing the state of logical volumes or thinpool when managing a thin provisioned volume.
The file formerly accessible under the name oldname is afterwards accessible as newname instead. There really is no other name quite so succinct or aptly titled as rootvg, when describing the volume group containing the boot image and root filesystem. Setup linux lvm using pvcreate, vgcreate, lvcreate with. Renaming a volume group red hat enterprise linux 6. Remounting the file system is necessary in order for the user space to see the name change. Second, you should know that messing this up can cause. Please take care and back up anything you dont understand. I had attempted to change the volume group name following gwiesenekkers post called rename root volume group. But in linux you have multiple options to change the drive label of any usb drive.
Alternately, you may just be able to run grubmkconfig to fix that. Rename multiple files at once in linux with rename command. How can i rename one of these volgroups to get rid of this conflict. Ive learned the hard way that when a software vendor tells you to use. Hi, is there any way to change the file name while compressing. Reboot your machine and choose recovery mode not mandatory but its better run the command. Any device or volume without any label is normally recognized with some generic name by linux. Renaming the volume group the right way centos centos forums.
Any vg name changes you make will also have to be manually changed in the etcfstab. To change hostname from nixcraft to vivekslaptop, enter. I hit issue of multiple lvm volume groups with the same name in anaconda installation,anaconda gui provides the following suggestion. When we checked them on mac or windows the files ended up in merged into one folder, but on linux they wereare two, so the build fails. This entry is 1 of 17 in the linux unix set hostname tutorial series. The following are linux lvm command examples along with a description. Otherwise many lvm2 commands will refuse to run or give warning messages. The existing name for my volume group is volgroup as you see in blue color. I had to deactivate the first vg first luckily i have the root fs outside of lvm, rename it, and rename the second vg and then rename the first vg again. I cant act on the first vg as its active for most of the systems file systems. You can generate it according to your boot modules.
Jul 15, 2011 lvm renaming how to rename logical volumes lvms in linux lvm, lvs, lvrename, lvdisplay, logvol renaming a logical volume is a three step process. When lvm volume groups collide free software universe. Rename one of the volume groups so the names are distinct. Renaming a volume group red hat enterprise linux 6 red. Renaming a volume group red hat enterprise linux 6 red hat customer portal.
How to import vg using different vg name kernel talks. If you like to use a cloned volume with a volume group on it, then normally you will have a problem with the vg uuid and the vg name. Setup linux lvm logical volume manager using pvcreate, vgcreate, lvcreate commands. Next, we must generate a new g file by using grub2mkconfig. If you mistyped or want to change a branch name, here is the steps you should follow. So after a lot of research the answer was found here. An alternate syntax to rename this logical volume is. Small post to explain how to rename a lvm volume group on debian. But be careful this change is temporary you should continue with grub config regeneration. You have to supply the old vg name and required a new name. Renaming logical volumes to rename an existing logical volume, use the lvrename command. If the file had any other names aside from oldname, it continues to have those names.
Many linux distros have rename command that will rename the specified files by replacing the first occurrence of an expression in their name by replacement. I believe you already know how to rename files in linux with mv command. There really is no other name quite so succinct or aptly titled as rootvg. The good answer there is a nice solution for the problem and you can import and rename duplicated volume groups. Howto change the lvm volume group name that includes the root partition. Trying vgrename command with the second vg uuid didnt work. This guide was created as an overview of the linux operating system, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter. How to rename every file in all subdirectories in windows. To display physical volumes pv on a system you can issue the pvs command. Changing the volume name on an lvm machine edwardslab. Here are detailed informations about my vg, lv and mount points. The red hat customer portal delivers the knowledge, expertise, and guidance available through your red hat subscription. Now, you have two choices to import vg in such case.
Edit etcfstab and change all the entries with the new name. Ive discovered that there is a problem with all the superblocks except for those of the docu lv see below. Basically i had to rename the vg, change fstab, update the grub config file so that every single reference to the old vg was changed, and then rebuild the initrd. Its possible to update the information on rename my tv series or report it as discontinued, duplicated or spam. I refused to believe that changing the vg name remotely wasnt possible. Two of the main reasons for this new version are the needed update of the user interface and support for the new api of. You can rename the file in a casesensitive way and commit the change. You should be carefull when you modify root volume group because boot partition is located there. All the volume groups visible to a system need to have different names. How to rename lvm vgs so that the os boots after the.
Remember that the vgchange command doesnt update your etcfstab file. The directory containing the name newname must be on the same file system as the directory containing the name oldname. The challenge is that the automated grub update script doesnt expect that the name of the root volume can change while the system is live, so it gets confused and aborts. How to rename vg and lv in redhatcentos 7 itechswebit. Z this to be done while performing the compression operation and the unix file modification time should be changed to time of creating the. For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. After cloning a vm the name of the root volume group still referred to the original hostname so i wanted to rename it. If that is the case, this script may be a bad idea.
Howto change the lvm volume group name that includes the. The command to rename the volume group is quite simple on linux unlike aix. House of brick enabling cloud adoption for enterprise applications. Two lvm volgroups, same name, one is system disk what. Renaming logical volumes red hat enterprise linux 4. How do you mount a lvm patition that has the same vg name. Of course if the volume group you are trying rename contains your root filesystem, then you would have to boot from the cd. In case your logical volume was mounted, you will have to remount to make the changes affect.
Git is casesensitive and your filesystem may not be. This situation could arise when disks are moved between machines. Here are some pointers on how to change the volume group name on an ubuntu lvm machine. Use vgimportclone command and import vg using a different name. How do you rename the volume group that contains the root. To rename a logical volume you will have to unmount your partition. I have two volumes groups, origvg and newvg, that are basically a mirror of each other. To display more details about a pv, you can issue the pvdisplay command. So when i discovered that one of my linux systems had the mangled name of rootbvg for the root volume group, it made me cringe. Rename my tv series alternatives and similar software. Rename root volume group house of brick technologies.
But avoid asking for help, clarification, or responding to other answers. In this tutorial, you learned how to change hostname on ubuntu linux. At these cases, you only have the option to use uuid. For example, the following command would fix extension of your pl files.
Ubuntu linux change hostname computer name nixcraft. This situation could arise when disks are moved between. Sometimes we need or want to change volume groups andor logical volume names. Here are some practical scenarios in which you can use the rename command. Create a logical volume of 512m with disks devsda and devsdb lvol. It can encrypt whole disks, removable media, partitions, software raid. Rename volume group when there are multiple volume. Rename my tv series, a tool to rename tv series episodes, has been around for a while now, and its time for an update the old one can still be found here. Lvm stands for logical volume manager or logical volume management. When two vgs have the same name, the vg uuid can be used in place of the source vg name. How to rename logical volume and volume group in linux. Rename my tv series was added by hansaplast in jan 2012 and the latest update was made in nov 2018.
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