Red Hat GLOBAL FILE SYSTEM 5.0, Руководство администратора

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3.10. Combining Volume Groups ...............................................................31
3.11. Backing Up Volume Group Metadata .................................................31
3.12. Renaming a Volume Group ...............................................................31
3.13. Moving a Volume Group to Another System .......................................32
3.14. Recreating a Volume Group Directory ................................................33
4. Logical Volume Administration .......................................................................33
4.1. Creating Logical Volumes ...................................................................33
4.2. Persistent Device Numbers .................................................................38
4.3. Resizing Logical Volumes ...................................................................38
4.4. Changing the Parameters of a Logical Volume Group ...........................38
4.5. Renaming Logical Volumes .................................................................39
4.6. Removing Logical Volumes .................................................................39
4.7. Displaying Logical Volumes ................................................................39
4.8. Growing Logical Volumes ...................................................................40
4.9. Extending a Striped Volume ................................................................41
4.10. Shrinking Logical Volumes ................................................................43
5. Creating Snapshot Volumes ..........................................................................43
6. Controlling LVM Device Scans with Filters ......................................................44
7. Online Data Relocation ..................................................................................45
8. Activating Logical Volumes on Individual Nodes in a Cluster ............................46
9. Customized Reporting for LVM ......................................................................47
9.1. Format Control ...................................................................................47
9.2. Object Selection .................................................................................49
9.3. Sorting LVM Reports ..........................................................................56
9.4. Specifying Units .................................................................................57
5. LVM Configuration Examples .................................................................................59
1. Creating an LVM Logical Volume on Three Disks ............................................59
1.1. Creating the Physical Volumes ............................................................59
1.2. Creating the Volume Group .................................................................59
1.3. Creating the Logical Volume ...............................................................59
1.4. Creating the File System .....................................................................60
2. Creating a Striped Logical Volume .................................................................60
2.1. Creating the Physical Volumes ............................................................60
2.2. Creating the Volume Group .................................................................61
2.3. Creating the Logical Volume ...............................................................61
2.4. Creating the File System .....................................................................61
3. Splitting a Volume Group ...............................................................................62
3.1. Determining Free Space .....................................................................62
3.2. Moving the Data .................................................................................63
3.3. Splitting the Volume Group .................................................................63
3.4. Creating the New Logical Volume ........................................................64
3.5. Making a File System and Mounting the New Logical Volume ...............64
3.6. Activating and Mounting the Original Logical Volume ............................64
4. Removing a Disk from a Logical Volume .........................................................64
4.1. Moving Extents to Existing Physical Volumes .......................................65
4.2. Moving Extents to a New Disk .............................................................66
6. LVM Troubleshooting ............................................................................................69
LVM Administrator's Guide
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