LVextend

[madunix]

look @
http://chrishood.vox.com/library/post/expand-san-lun-without-destroying-logical-volumes.html
http://www.redhat.com/magazine/009jul05/features/lvm2/
http://tldp.org/HOWTO/LVM-HOWTO/extendlv.html


On Tue, May 18, 2010 at 5:57 AM, Marti, Robert <RJM002 at shsu.edu> wrote:
> Because you're extending an already formatted partition. Read up on
> what formatting does in the Linux world. The extend process covers any
> magic that might need to happen.
>
> Sent from my iPhone
>
> On May 17, 2010, at 22:29, "Raj Har" <raj4list at gmail.com> wrote:
>
>> Hello all,
>>                i have one confusion please help me.
>>
>> 1.suppose we creates 500M PV
>> 2.500M VG1
>> 3.200M lV1
>> 4.format with mke2fs -j /dev/vg1/lv1
>> 5.mount /dev/vg1/lv1 /new
>> 6.i want lvextend
>> 7.when we extend lv from vg. after extend we need not to format this
>> partation we run resize2fs command for using this partition.
>>
>> why we not need to fromat this partition?
>> when we create first time lv we format it bt not in extend case why?
>>
>> thanks
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