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Increase Linux Partition dynamically?

There are 3 lvm volume on Science Linux 6.1 x86. I want to remove one volume and give the amount to /dev/mapper/VolGroup-lv_root.

[root@localhost /]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root
                       50G   38G  9.1G  81% /
tmpfs                 504M  924K  503M   1% /dev/shm
/dev/sda1             485M   68M  392M  15% /boot
/dev/mapper/VolGroup-lv_home
                       96G  7.7G   83G   9% /home

umount /dev/mapper/VolGroup-lv_home
lvremove /dev/mapper/VolGroup-lv_home
umount /dev/mapper/VolGroup-lv_root
lvextend -L +96G /dev/mapper/VolGroup-lv_root

Please let me know these command work correctly.

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You are going to need to do something to resize your root filesystem. – Zoredache Feb 3 at 18:06
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closed as exact duplicate by Holocryptic, sysadmin1138♦ Feb 3 at 21:56

This question covers exactly the same ground as earlier questions on this topic; its answers may be merged with another identical question. See the FAQ for guidance on how to improve it.

1 Answer

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You don't have to unmount your root filesystem (and in fact, you can't). After you have resized the LV on which it resides, you can simply do resize2fs on it.

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Teddy/ I booted with Livecd – WindStory Feb 3 at 19:17
Teddy/ Thanks a lot resolved. – WindStory Feb 3 at 19:38
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@WindStory, mark this as the answer by clicking the check mark underneath the grey "1" above. We don't edit titles here, that's not how we play. – tombull89 Feb 3 at 19:44
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