[root@iZ9488z4qfcZ www]# umount /alidata
umount: /alidata: device is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
[root@iZ9488z4qfcZ www]# fuser -m /alidata/
/alidata/: 2296c
[root@iZ9488z4qfcZ www]# kill 2296
[root@iZ9488z4qfcZ www]# umount /alidata
umount: /alidata: device is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
[root@iZ9488z4qfcZ www]# fuser -m /alidata
/alidata: 2296c
[root@iZ9488z4qfcZ www]# ps aux |grep 2296
root 2296 0.0 0.0 108456 1900 pts/0 S 22:54 0:00 bash
root 2547 0.0 0.0 103172 828 pts/0 S+ 23:06 0:00 grep 2296
[root@iZ9488z4qfcZ www]# kill -9 2296
Killed (core dumped)
[root@iZ9488z4qfcZ ~]# fdisk /dev/svdb1
Unable to open /dev/svdb1
[root@iZ9488z4qfcZ ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/xvda1 20641404 3201844 16391036 17% /
tmpfs 1960556 0 1960556 0% /dev/shm
/dev/xvdb1 20635700 15126612 4460852 78% /alidata
[root@iZ9488z4qfcZ ~]# umount /dev/xvdb1
[root@iZ9488z4qfcZ ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/xvda1 20641404 3201844 16391036 17% /
tmpfs 1960556 0 1960556 0% /dev/shm
[root@iZ9488z4qfcZ ~]# fdisk -l
Disk /dev/xvda: 21.5 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00078f9c
Device Boot Start End Blocks Id System
/dev/xvda1 * 1 2611 20970496 83 Linux
Disk /dev/xvdb: 107.4 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x5710df54
Device Boot Start End Blocks Id System
/dev/xvdb1 1 2610 20964793+ 83 Linux
[root@iZ9488z4qfcZ ~]# fdisk /dev/xvdb
WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
switch off the mode (command 'c') and change display units to
sectors (command 'u').
Command (m for help): d
Selected partition 1
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-13054, default 1):
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-13054, default 13054):
Using default value 13054
Command (m for help): wq
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
[root@iZ9488z4qfcZ ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/xvda1 20641404 3201844 16391036 17% /
tmpfs 1960556 0 1960556 0% /dev/shm
[root@iZ9488z4qfcZ ~]# fdisk -l
Disk /dev/xvda: 21.5 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00078f9c
Device Boot Start End Blocks Id System
/dev/xvda1 * 1 2611 20970496 83 Linux
Disk /dev/xvdb: 107.4 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x5710df54
Device Boot Start End Blocks Id System
/dev/xvdb1 1 13054 104856223+ 83 Linux
[root@iZ9488z4qfcZ ~]# e2fsck -f /dev/xvdb1
e2fsck 1.41.12 (17-May-2010)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
/dev/xvdb1: 207395/1310720 files (0.4% non-contiguous), 3863926/5241198 blocks
[root@iZ9488z4qfcZ ~]# resize2fs /dev/xvdb1
resize2fs 1.41.12 (17-May-2010)
Resizing the filesystem on /dev/xvdb1 to 26214055 (4k) blocks.
The filesystem on /dev/xvdb1 is now 26214055 blocks long.
[root@iZ9488z4qfcZ ~]# mount /dev/xvdb1 /alidata
[root@iZ9488z4qfcZ ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/xvda1 20641404 3201844 16391036 17% /
tmpfs 1960556 0 1960556 0% /dev/shm
/dev/xvdb1 103210940 15142664 82825484 16% /alidata
[root@iZ9488z4qfcZ ~]# cd /alidata/
[root@iZ9488z4qfcZ vmfx]# df -H
Filesystem Size Used Avail Use% Mounted on
/dev/xvda1 22G 3.3G 17G 17% /
tmpfs 2.1G 0 2.1G 0% /dev/shm
/dev/xvdb1 106G 16G 85G 16% /alidata
[root@iZ9488z4qfcZ vmfx]# reboot