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Old 04-06-2013, 09:41 PM   #1
cameleon666
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Resize LVM in Vmware wheen 4 partitions


I need to add free space to LVM group. Most tutorials do tell about creating new partition but i can't create new one. How i would add all unlocated space in this situation ?

Code:
Filesystem            size  used  aval. %used. mounted on
/dev/mapper/VolGroup00-LogVol00
                      328G  293G   18G  95%    /
/dev/sda1              99M   13M   82M  14%    /boot
tmpfs                1006M     0 1006M   0%    /dev/shm

Disk /dev/sda: 590.5 GB, 590558003200 bytes
255 heads, 63 sectors/track, 71797 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          13      104391   83  Linux
/dev/sda2              14       19581   157179960   8e  Linux LVM
/dev/sda3           19582       23497    31455270   8e  Linux LVM
/dev/sda4           23498       44384   167774827+  8e  Linux LVM

Nr  Begining      End     Size     Type   Filesystem     Flag    
 1     32,3kB    107MB   107MB     main   ext3           boot
 2     107MB     161GB   161GB     main                  lvm      
 3     161GB     193GB   32,2GB    main                  lvm      
 4     193GB     365GB   172GB     main                  lvm      
       365GB     591GB   225GB            Free space
 
Old 04-07-2013, 05:36 AM   #2
mddesai
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Location: Bengaluru, India
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Quote:
...creating new partition but i can't create new one. How i would add all unlocated space in this situation ?
Why cant you create new partition?

you should create a partition and set partition type as 8e, then initialize that partition as physical volume (pvcreate), and then only you can add it to volume group.

Code:
/dev/sda2              14       19581   157179960   8e  Linux LVM
/dev/sda3           19582       23497    31455270   8e  Linux LVM
/dev/sda4           23498       44384   167774827+  8e  Linux LVM
Do they all belong to same volume group? if yes, then whats the point in creating different partitions for same volume group? you could just create one physical volume and then create many LV from that.

show outputs of pvs, vgs and lvs

Also note that redhat strongly recommends to create single partition that covers whole disk and mark as PV for administrative convenience and to take advantage of striping. if you are using vmware to learn why not add some virtual hdd to it.

Last edited by mddesai; 04-07-2013 at 06:11 AM.
 
Old 04-07-2013, 10:39 AM   #3
rknichols
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Your problem is that you have filled all 4 slots in the primary partition table, and that is the limit. With the MS-DOS partition table that you have, the only way to have more than 4 partitions is to have one of the primary partitions be an extended partition. Within that extended partition you could create up to 11 logical partitions before hitting the Linux limit of 15 total partitions per drive.

You cannot simply convert an ordinary partition to an extended partition. What you can do is grow your existing sda4 partition to use the rest of the disk. You won't be able to do that with gparted since it doesn't know how to grow the LVM container, but you can simply use fdisk to delete the partition and then re-create it with the same starting point and extending to the end of the disk. After doing that (and rebooting, to get the kernel to read the new partition table), you can run "pvresize /dev/sda4" to expand the PV. The space will now be available to extend your present LVM logical volumes or create new ones.
 
  


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