lvm合并调整分区大小

[root@sfzwapp2 /]# umount -f /app

umount2: Device or resource busy

umount: /app: device is busy.

        (In some cases useful info about processes that use

         the device is found by lsof(8) or fuser(1))

umount2: Device or resource busy

 [root@sfzwapp2 /]# fuser -c /app

/app:                18822ce

[root@sfzwapp2 /]# ps -ef|grep 18822

root     18822     1  0 00:00 ?        00:00:07 ./nmon_x86_64_rhel6 -f -T -s 120 -c 720

root     21559 21427  0 14:55 pts/2    00:00:00 grep 18822

[root@sfzwapp2 /]# kill -9 18822

[root@sfzwapp2 /]# umount -f /app

[root@sfzwapp2 /]# lvremove /dev/vg_sfzwapp2/LogVapp 

Do you really want to remove active logical volume LogVapp? [y/n]: y

  Logical volume "LogVapp" successfully removed

 [root@sfzwapp2 /]# lvextend -L +100G /dev/vg_sfzwapp2/LogVhome 

  Size of logical volume vg_sfzwapp2/LogVhome changed from 10.00 GiB (2560 extents) to 110.00 GiB (28160 extents).

  Logical volume LogVhome successfully resized

[root@sfzwapp2 /]# resize2fs    /dev/vg_sfzwapp2/LogVhome

resize2fs 1.41.12 (17-May-2010)

Filesystem at /dev/vg_sfzwapp2/LogVhome is mounted on /home; on-line resizing required

old desc_blocks = 1, new_desc_blocks = 7

Performing an on-line resize of /dev/vg_sfzwapp2/LogVhome to 28835840 (4k) blocks.

The filesystem on /dev/vg_sfzwapp2/LogVhome is now 28835840 blocks long.

 

[root@sfzwapp2 /]# df -h

Filesystem            Size  Used Avail Use% Mounted on

/dev/mapper/vg_sfzwapp2-LogVroot

                       35G  2.2G   31G   7% /

tmpfs                  16G  224K   16G   1% /dev/shm

/dev/sda1             477M   42M  410M  10% /boot

/dev/mapper/vg_sfzwapp2-LogVhome

                      109G   38M  103G   1% /home

/dev/mapper/vg_sfzwapp2-LogVtmp

                      9.8G   23M  9.2G   1% /tmp

/dev/mapper/vg_sfzwapp2-LogVusr

                      9.8G  2.9G  6.5G  31% /usr

/dev/mapper/vg_sfzwapp2-LogVvar

                      9.8G  145M  9.1G   2% /var