< 5 LVM Snapshots | Commands | 7 LVM Attributes > 33 & 34. Recovering a Faulty Disk https://www.udemy.com/course/a-complete-guide-on-linux-lvm/learn/lecture/13062490#overview Overview It is possible for the volume group metatdata area of a physical volume to be over-written or deleted. An error message is displayed indicating the metadata area is incorrect or the system was unable to ..
Category : Logical Volume Manager
< 4 Thin Provisioning | Commands | 6 Metadata Recovery of a Physical Volume > 30 – 32 Snapshots https://www.udemy.com/course/a-complete-guide-on-linux-lvm/learn/lecture/13062442#overview 30. Overview An LVM Snapshot is an exact copy of an LVM partition that has all the data from the LVM volume from the time the snapshot was created. An advantage of LVM snapshots is ..
< 3 Volume Group Administration | Commands | 5 Snapshots > 26. Overview https://www.udemy.com/course/a-complete-guide-on-linux-lvm/learn/lecture/13062374#overview Thin Provisioning allows you to over commit the storage and create LVs that are larger than the available extents. Example: PV1 & PV2 are both 50GB VG1 = 100GB Create a Thin Pool = Size of VG (100GB) It can be ..
< 2 LVM Logical Volumes | Commands | 4 Thin Provisioning > 15. Overview of PV Administration Commands Create a Physical Volume: pvcreate pvcreate /dev/sda1 List available Block devices: lvmdiskscan lvmdiskscan Display Physical Volumes: pvdisplay Displays information about a PV pvdisplay /dev/sda1 List Physical Volumes: pvs & pvscan pvs pvscan Prevent/Allow Allocation of a Physical ..
Physical Volume Commands Display the Physical Volumes Physical volumes will not show until they have been added to a Volume Group! pvdisplay /dev/sdx Physical Volumes Show (Short?) pvs Volume Group Commands Create Volume Groups vgcreate <groupName> /dev/sdx1 /dev/sdx2 … Display Volume Groups vgdisplay <-v> </dev/GROUPNAME> -v: Show Physical Volume information Volume ..
< 1 Logical Volume Manager | Commands | 3 Volume Group Administration > 8. Linear Logical Volumes https://www.udemy.com/course/a-complete-guide-on-linux-lvm/learn/lecture/13061988#overview Creating the Volume Group Volume Group is a pool of the physical volumes (PVs) Volume Groups are divided into Logical Volumes Logical Volumes are allocated into (mapped to) the same size as the Physical extents (PE) [See Logical ..
| Commands | Section 2: LVM Logical Volumes > 1. Introduction https://www.udemy.com/course/a-complete-guide-on-linux-lvm/learn/lecture/13069906#overview 2. The LVM Manager Overview Traditional Partitioning You cannot resize partitions You cannot add disks together to create a single drive Using LVM You can combine multiple drives into a single volume group The pool can be subdivided into smaller Logical Volumes (LV) ..
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