Editing Logical Volume Manager (Linux)
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− | + | [[wikipedia:Logical_Volume_Manager_(Linux)|LVM]]<ref>http://man7.org/linux/man-pages/man8/lvm.8.html</ref> available in Linux allows manage multiple physical volumes or entire hard disks. It supports among other functionalities: | |
* Create single logical volumes of multiple physical volumes or entire hard disks | * Create single logical volumes of multiple physical volumes or entire hard disks | ||
* Add or remove volumes/disk dynamically | * Add or remove volumes/disk dynamically | ||
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* Create snapshots | * Create snapshots | ||
− | LVM introduces the concept of | + | LVM introduces the concept of Volume Groups (VGs) and Logical Volumes (LVs). |
− | + | Configuration file: <code>/etc/lvm/[[lvm.conf]]</code> | |
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* [[linux/mdadm|mdadm]] and [[Linux Administration/Devices and Filesystems/ZFS|ZFS]] | * [[linux/mdadm|mdadm]] and [[Linux Administration/Devices and Filesystems/ZFS|ZFS]] | ||
* [[resize2fs]]<ref>https://manpages.debian.org/stretch/e2fsprogs/resize2fs.8.en.html</ref> file system resizer for ext2/ext3/ext4 (resize2fs /dev/mapper/VolGroup-lv_root) (for ext4 only).<ref>https://www.technomenace.com/2014/08/how-to-extend-lvm-on-qcow2-images/</ref>. Code: https://github.com/tytso/e2fsprogs/blob/master/resize/resize2fs.c | * [[resize2fs]]<ref>https://manpages.debian.org/stretch/e2fsprogs/resize2fs.8.en.html</ref> file system resizer for ext2/ext3/ext4 (resize2fs /dev/mapper/VolGroup-lv_root) (for ext4 only).<ref>https://www.technomenace.com/2014/08/how-to-extend-lvm-on-qcow2-images/</ref>. Code: https://github.com/tytso/e2fsprogs/blob/master/resize/resize2fs.c | ||
− | * [[Ansible]] LV module: https://docs.ansible.com/ansible/latest/modules/lvol_module.html#lvol-module | + | * [[DevOps/Ansible|Ansible]] LV module: https://docs.ansible.com/ansible/latest/modules/lvol_module.html#lvol-module |
− | * | + | * [[dmsetup]] |
* [[UUID]] | * [[UUID]] | ||
− | + | ||
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