Index 
    
      
        Index 
      
    
    
    
      
      
        
        
        
          C 
          
            cache file 
            
              
                building, Scanning Disks for Volume Groups to Build the Cache File  
               
             
            cluster environment, Running LVM in a Cluster , Creating LVM Volumes in a Cluster  
            CLVM 
            
              
                definition, Running LVM in a Cluster  
               
             
            clvmd daemon, Running LVM in a Cluster  
            command line units, Using CLI Commands  
            configuration examples, LVM Configuration Examples  
            creating 
            
              
                logical volume, Creating Logical Volumes  
                logical volume, example, Creating an LVM Logical Volume on Three Disks  
                LVM volumes in a cluster, Creating LVM Volumes in a Cluster  
                physical volumes, Creating Physical Volumes  
                striped logical volume, example, Creating a Striped Logical Volume  
                volume groups, Creating Volume Groups  
               
             
            creating LVM volumes 
            
              
                overview, Logical Volume Creation Overview  
               
             
           
         
        
          D 
          
            data relocation, online, Online Data Relocation  
            deactivating volume groups, Activating and Deactivating Volume Groups  
            
              
                exclusive on one node, Activating and Deactivating Volume Groups  
                local node only, Activating and Deactivating Volume Groups  
               
             
            device numbers 
            
              
                major, Persistent Device Numbers  
                minor, Persistent Device Numbers  
                persistent, Persistent Device Numbers  
               
             
            device path names, Using CLI Commands  
            device scan filters, Controlling LVM Device Scans with Filters  
            device size, maximum, Creating Volume Groups  
            device special file directory, Creating Volume Groups  
            display 
            
              
                sorting output, Sorting LVM Reports  
               
             
            displaying 
            
              
                logical volumes, Displaying Logical Volumes , The lvs Command  
                physical volumes, Displaying Physical Volumes , The pvs Command  
                volume groups, Displaying Volume Groups , The vgs Command  
               
             
           
         
        
        
        
        
        
        
          L 
          
            linear logical volume 
            
              
                converting to mirrored, Changing Mirrored Volume Configuration  
                creation, Creating Linear Volumes  
                definition, Linear Volumes  
               
             
            logging, Logging  
            logical volume 
            
              
                administration, general, Logical Volume Administration  
                changing parameters, Changing the Parameters of a Logical Volume Group  
                creation, Creating Logical Volumes  
                creation example, Creating an LVM Logical Volume on Three Disks  
                definition, Logical Volumes , LVM Logical Volumes  
                displaying, Displaying Logical Volumes , Customized Reporting for LVM , The lvs Command  
                exclusive access, Activating Logical Volumes on Individual Nodes in a Cluster  
                extending, Growing Logical Volumes  
                growing, Growing Logical Volumes  
                linear, Creating Linear Volumes  
                local access, Activating Logical Volumes on Individual Nodes in a Cluster  
                lvs display arguments, The lvs Command  
                mirrored, Creating Mirrored Volumes  
                reducing, Shrinking Logical Volumes  
                removing, Removing Logical Volumes  
                renaming, Renaming Logical Volumes  
                resizing, Resizing Logical Volumes  
                shrinking, Shrinking Logical Volumes  
                snapshot, Creating Snapshot Volumes  
                striped, Creating Striped Volumes  
               
             
            lvchange command, Changing the Parameters of a Logical Volume Group  
            lvconvert command, Changing Mirrored Volume Configuration  
            lvcreate command, Creating Logical Volumes  
            lvdisplay command, Displaying Logical Volumes  
            lvextend command, Growing Logical Volumes  
            LVM 
            
              
                architecture overview, LVM Architecture Overview  
                clustered, Running LVM in a Cluster  
                components, LVM Architecture Overview , LVM Components  
                custom report format, Customized Reporting for LVM  
                directory structure, Creating Volume Groups  
                help, Using CLI Commands  
                history, LVM Architecture Overview  
                label, Physical Volumes  
                logging, Logging  
                logical volume administration, Logical Volume Administration  
                physical volume administration, Physical Volume Administration  
                physical volume, definition, Physical Volumes  
                volume group, definition, Volume Groups  
               
             
            LVM1, LVM Architecture Overview  
            LVM2, LVM Architecture Overview  
            lvmdiskscan command, Scanning for Block Devices  
            lvreduce command, Resizing Logical Volumes , Shrinking Logical Volumes  
            lvremove command, Removing Logical Volumes  
            lvrename command, Renaming Logical Volumes  
            lvs command, Customized Reporting for LVM , The lvs Command  
            
              
                display arguments, The lvs Command  
               
             
            lvscan command, Displaying Logical Volumes  
           
         
        
        
        
          P 
          
            partition type, setting, Setting the Partition Type  
            partitions 
            
              
                multiple, Multiple Partitions on a Disk  
               
             
            path names, Using CLI Commands  
            persistent device numbers, Persistent Device Numbers  
            physical extent 
            
              
                preventing allocation, Preventing Allocation on a Physical Volume  
               
             
            physical volume 
            
              
                adding to a volume group, Adding Physical Volumes to a Volume Group  
                administration, general, Physical Volume Administration  
                creating, Creating Physical Volumes  
                definition, Physical Volumes  
                display, The pvs Command  
                displaying, Displaying Physical Volumes , Customized Reporting for LVM  
                illustration, LVM Physical Volume Layout  
                initializing, Initializing Physical Volumes  
                layout, LVM Physical Volume Layout  
                pvs display arguments, The pvs Command  
                recovery, Replacing a Missing Physical Volume  
                removing, Removing Physical Volumes  
                removing from volume group, Removing Physical Volumes from a Volume Group  
                removing lost volume, Removing Lost Physical Volumes from a Volume Group  
                resizing, Resizing a Physical Volume  
               
             
            pvdisplay command, Displaying Physical Volumes  
            pvmove command, Online Data Relocation  
            pvremove command, Removing Physical Volumes  
            pvresize command, Resizing a Physical Volume  
            pvs command, Customized Reporting for LVM  
            
              
                display arguments, The pvs Command  
               
             
            pvscan command, Displaying Physical Volumes  
           
         
        
        
          S 
          
            scanning 
            
              
                block devices, Scanning for Block Devices  
               
             
            scanning devices, filters, Controlling LVM Device Scans with Filters  
            snapshot logical volume 
            
              
                creation, Creating Snapshot Volumes  
               
             
            snapshot volume 
            
              
                definition, Snapshot Volumes  
               
             
            striped logical volume 
            
              
                creation, Creating Striped Volumes  
                creation example, Creating a Striped Logical Volume  
                definition, Striped Logical Volumes  
                extending, Extending a Striped Volume  
                growing, Extending a Striped Volume  
               
             
           
         
        
        
        
          V 
          
            verbose output, Using CLI Commands  
            vgcfbackup command, Backing Up Volume Group Metadata  
            vgcfrestore command, Backing Up Volume Group Metadata  
            vgchange command, Changing the Parameters of a Volume Group  
            vgcreate command, Creating Volume Groups  
            vgdisplay command, Displaying Volume Groups  
            vgexport command, Moving a Volume Group to Another System  
            vgextend command, Adding Physical Volumes to a Volume Group  
            vgimport command, Moving a Volume Group to Another System  
            vgmerge command, Combining Volume Groups  
            vgmknodes command, Recreating a Volume Group Directory  
            vgreduce command, Removing Physical Volumes from a Volume Group  
            vgrename command, Renaming a Volume Group  
            vgs command, Customized Reporting for LVM  
            
              
                display arguments, The vgs Command  
               
             
            vgscan command, Scanning Disks for Volume Groups to Build the Cache File  
            vgsplit command, Splitting a Volume Group  
            volume group 
            
              
                activating, Activating and Deactivating Volume Groups  
                administration, general, Volume Group Administration  
                changing parameters, Changing the Parameters of a Volume Group  
                combining, Combining Volume Groups  
                creating, Creating Volume Groups  
                deactivating, Activating and Deactivating Volume Groups  
                definition, Volume Groups  
                displaying, Displaying Volume Groups , Customized Reporting for LVM , The vgs Command  
                extending, Adding Physical Volumes to a Volume Group  
                growing, Adding Physical Volumes to a Volume Group  
                merging, Combining Volume Groups  
                moving between systems, Moving a Volume Group to Another System  
                reducing, Removing Physical Volumes from a Volume Group  
                removing, Removing Volume Groups  
                renaming, Renaming a Volume Group  
                shrinking, Removing Physical Volumes from a Volume Group  
                splitting, Splitting a Volume Group  
                
                  
                    example procedure, Splitting a Volume Group  
                   
                 
                vgs display arguments, The vgs Command  
               
             
           
         
       
     
    
  Note:  This documentation is provided {and copyrighted} by Red Hat®, Inc.  and is released via the Open Publication License. The copyright holder has added the further requirement that Distribution of substantively modified versions of this document is prohibited without the explicit permission of the copyright holder . The CentOS project  redistributes these original works (in their unmodified form) as a reference for CentOS-4  because CentOS-4  is built from publicly available, open source SRPMS. The documentation is unmodified to be compliant with upstream distribution policy. Neither CentOS-4  nor the CentOS Project  are in any way affiliated with or sponsored by Red Hat®, Inc.