Installation guide
Table Of Contents
- LVM Administrator's Guide
- Table of Contents
- Introduction
- Chapter 1. The LVM Logical Volume Manager
- Chapter 2. LVM Components
- Chapter 3. LVM Administration Overview
- Chapter 4. LVM Administration with CLI Commands
- 1. Using CLI Commands
- 2. Physical Volume Administration
- 3. Volume Group Administration
- 3.1. Creating Volume Groups
- 3.2. Adding Physical Volumes to a Volume Group
- 3.3. Displaying Volume Groups
- 3.4. Scanning Disks for Volume Groups to Build the Cache File
- 3.5. Removing Physical Volumes from a Volume Group
- 3.6. Changing the Parameters of a Volume Group
- 3.7. Activating and Deactivating Volume Groups
- 3.8. Removing Volume Groups
- 3.9. Splitting a Volume Group
- 3.10. Combining Volume Groups
- 3.11. Backing Up Volume Group Metadata
- 3.12. Renaming a Volume Group
- 3.13. Moving a Volume Group to Another System
- 3.14. Recreating a Volume Group Directory
- 4. Logical Volume Administration
- 4.1. Creating Logical Volumes
- 4.2. Persistent Device Numbers
- 4.3. Resizing Logical Volumes
- 4.4. Changing the Parameters of a Logical Volume Group
- 4.5. Renaming Logical Volumes
- 4.6. Removing Logical Volumes
- 4.7. Displaying Logical Volumes
- 4.8. Growing Logical Volumes
- 4.9. Extending a Striped Volume
- 4.10. Shrinking Logical Volumes
- 5. Creating Snapshot Volumes
- 6. Controlling LVM Device Scans with Filters
- 7. Online Data Relocation
- 8. Activating Logical Volumes on Individual Nodes in a Cluster
- 9. Customized Reporting for LVM
- Chapter 5. LVM Configuration Examples
- Chapter 6. LVM Troubleshooting
- Chapter 7. LVM Administration with the LVM GUI
- Appendix A. The Device Mapper
- Appendix B. The LVM Configuration Files
- Appendix C. LVM Object Tags
- Appendix D. LVM Volume Group Metadata
- Index

creation example, 51
definition, 1, 8
displaying, 33, 40, 45
exclusive access, 39
extending, 34
growing, 34
linear, 28
local access, 39
lvs display arguments, 45
mirrored, 30
reducing, 36
removing, 33
renaming, 33
resizing, 32
shrinking, 36
snapshot, 37
striped, 30
lvchange command, 33
lvconvert command, 32
lvcreate command, 28
lvdisplay command, 34
lvextend command, 34
LVM
architecture overview, 2
clustered, 3
components, 2, 6
custom report format, 40
directory structure, 23
help, 19
history, 2
label, 6
logging, 16
logical volume administration, 28
physical volume administration, 19
physical volume, definition, 6
volume group, definition, 8
LVM1, 2
LVM2, 2
lvmdiskscan command, 20
lvreduce command, 32, 36
lvremove command, 33
lvrename command, 33
lvs command, 40, 45
display arguments, 45
lvscan command, 34
M
man page display, 19
metadata
backup, 16, 26
recovery, 63
mirrored logical volume
converting to linear, 32
creation, 30
definition, 12
failure recovery, 60
reconfiguration, 32
O
online data relocation, 39
P
partition type, setting, 19
partitions
multiple, 7
path names, 18
persistent device numbers, 32
physical extent
preventing allocation, 21
physical volume
adding to a volume group, 23
administration, general, 19
creating, 19
definition, 6
display, 42
displaying, 21, 40
illustration, 6
initializing, 20
layout, 6
pvs display arguments, 42
recovery, 64
removing, 22
removing from volume group, 24
removing lost volume, 64
resizing, 22
pvdisplay command, 21
pvmove command, 39
pvremove command, 22
pvresize command, 22
pvs command, 40
display arguments, 42
pvscan command, 21
R
removing
disk from a logical volume, 56
logical volume, 33
physical volumes, 22
82