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Re: [linux-lvm] Disk size reporting.



Klaus Strebel wrote:
> Hi Jim,
> 
> Jim Ford schrieb:
>> I think I've extended a logical volume correctly, but DF shows no change.
>>
>> lvs output:
>>  LV     VG     Attr   LSize   Origin Snap%  Move Copy%
>>  root   Ubuntu -wi-ao  25.13G
>>  swap_1 Ubuntu -wi-ao 656.00M
>>
>> df output:
>> Filesystem           1K-blocks      Used Available Use% Mounted on
>> /dev/mapper/Ubuntu-root
>>                      18715076   2909852  14854544  17% /
>> tmpfs                   112264         0    112264   0% /dev/shm
>> tmpfs                   112264     12588     99676  12%
>> /lib/modules/2.6.12-10-386/volatile
>> /dev/hda1               233335     19166    201721   9% /boot
>>
>> Have I extended my Ubuntu volume correctly, please?
>>
>> <sigh> Life was _so_ much simpler without lvm and udev! </sigh>
> You just extended your volume, not your filesystem, don't you ;-). I
> don't know, which filesystem Ubunto uses for root and if it's ext2/ext3,
> if they use the online-resize patches.
> 
> So, seak for into how to resize/extend the filesystem you use.

The LVM FAQ entry for "Extending a Logical Volume" even covers this issue, and
tells you how to do it for several filesystems:
http://tldp.org/HOWTO/LVM-HOWTO/extendlv.html

Matt


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