[linux-lvm] Newbie of LVM

[Way Loss]

Hi all,

   I am very new to LVM. Here is the detail of my
current fs.
Filesystem            Size  Used Avail Use% Mounted on
/dev/md1              9.4G  2.5G  6.5G  28% /
/dev/md2              9.4G  7.6G  1.4G  85% /home
/dev/md3              9.4G  6.6G  2.4G  74% /var
/dev/md4              958M   18M  892M   2% /tmp
/dev/md5              153G  119G   27G  82% /www

    My md5 is almost full and I wanna use LVM to merge
my md5 with a new partition from a new hdd. I wanna
ask if this possible for LVM to merge 2 partition
together while one of them have data on it? I can't
suffer any data loss and want to make sure that LVM
works perfectly to what I want.
   Thanks all.

Best Regards,
Sing

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