rwjblue
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How to extend a logical volume?
I recently upgraded my Zimbra email server with bigger harddrives. The configuration was 2 250GB drives setup as a mirror. Using clonezilla, I cloned a bare metal image of the server and then replaced the drives with 2 750GB drives. I then restored the cloned image back to the 750z and proceeded with testing the system and so forth. Everything checks out except when using Gparted you can see the unallocated space left over from the bigger drives which needs to be merged into the volume. Using Gparted I tried to resize the volume to use the remaing 500GB of unallocated space but what happend is now I have an extended partition of 750GB. I need to have my logical volume utlitze this space. How do I properly go about accomplishing this. I have read about the lvmextend command and how to extend the lvm but I don't know how to properly issue the right commands to makes this happen. Any help is appreciated.
[root@mail ~]# parted -l
Model: Dell VIRTUAL DISK (scsi)
Disk /dev/sda: 750GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number Start End Size Type File system Flags
1 32.3kB 57.6MB 57.5MB primary fat16 boot
2 57.6MB 2213MB 2155MB primary fat32 lba
3 2213MB 2320MB 107MB primary ext3
4 2320MB 750GB 748GB extended
5 2320MB 249GB 247GB logical lvm
[root@mail ~]# parted -l
Model: Dell VIRTUAL DISK (scsi)
Disk /dev/sda: 750GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number Start End Size Type File system Flags
1 32.3kB 57.6MB 57.5MB primary fat16 boot
2 57.6MB 2213MB 2155MB primary fat32 lba
3 2213MB 2320MB 107MB primary ext3
4 2320MB 750GB 748GB extended
5 2320MB 249GB 247GB logical lvm
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