Logical Volume Management
Example of using LVM:
>> List the disks
ws1:~# fdisk -l
Disk /dev/sda1: 1073 MB, 1073741824 bytes
255 heads, 63 sectors/track, 130 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sda1 doesn't contain a valid partition table
Disk /dev/sda2: 134 MB, 134217728 bytes
255 heads, 63 sectors/track, 16 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sda2 doesn't contain a valid partition table
Disk /dev/sdb: 1073 MB, 1073741824 bytes
255 heads, 63 sectors/track, 130 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdb doesn't contain a valid partition table
Disk /dev/sdd: 1073 MB, 1073741824 bytes
255 heads, 63 sectors/track, 130 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdd doesn't contain a valid partition table
>> partition /dev/sdb and set it's type to LVM
ws1:~# fdisk /dev/sdb
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel. Changes will remain in memory only,
until you decide to write them. After that, of course, the previous
content won't be recoverable.
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-130, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-130, default 130):
Using default value 130
Command (m for help): t
Selected partition 1
Hex code (type L to list codes): L
0 Empty 1e Hidden W95 FAT1 80 Old Minix be Solaris boot
1 FAT12 24 NEC DOS 81 Minix / old Lin bf Solaris
2 XENIX root 39 Plan 9 82 Linux swap / So c1 DRDOS/sec (FAT-
3 XENIX usr 3c PartitionMagic 83 Linux c4 DRDOS/sec (FAT-
4 FAT16 <32M 40 Venix 80286 84 OS/2 hidden C: c6 DRDOS/sec (FAT-
5 Extended 41 PPC PReP Boot 85 Linux extended c7 Syrinx
6 FAT16 42 SFS 86 NTFS volume set da Non-FS data
7 HPFS/NTFS 4d QNX4.x 87 NTFS volume set db CP/M / CTOS / .
8 AIX 4e QNX4.x 2nd part 88 Linux plaintext de Dell Utility
9 AIX bootable 4f QNX4.x 3rd part 8e Linux LVM df BootIt
a OS/2 Boot Manag 50 OnTrack DM 93 Amoeba e1 DOS access
b W95 FAT32 51 OnTrack DM6 Aux 94 Amoeba BBT e3 DOS R/O
c W95 FAT32 (LBA) 52 CP/M 9f BSD/OS e4 SpeedStor
e W95 FAT16 (LBA) 53 OnTrack DM6 Aux a0 IBM Thinkpad hi eb BeOS fs
f W95 Ext'd (LBA) 54 OnTrackDM6 a5 FreeBSD ee EFI GPT
10 OPUS 55 EZ-Drive a6 OpenBSD ef EFI (FAT-12/16/
11 Hidden FAT12 56 Golden Bow a7 NeXTSTEP f0 Linux/PA-RISC b
12 Compaq diagnost 5c Priam Edisk a8 Darwin UFS f1 SpeedStor
14 Hidden FAT16 <3 61 SpeedStor a9 NetBSD f4 SpeedStor
16 Hidden FAT16 63 GNU HURD or Sys ab Darwin boot f2 DOS secondary
17 Hidden HPFS/NTF 64 Novell Netware b7 BSDI fs fd Linux raid auto
18 AST SmartSleep 65 Novell Netware b8 BSDI swap fe LANstep
1b Hidden W95 FAT3 70 DiskSecure Mult bb Boot Wizard hid ff BBT
1c Hidden W95 FAT3 75 PC/IX
Hex code (type L to list codes): 8e
Changed system type of partition 1 to 8e (Linux LVM)
Command (m for help): p
Disk /dev/sdb: 1073 MB, 1073741824 bytes
255 heads, 63 sectors/track, 130 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 130 1044193+ 8e Linux LVM
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
ws1:~#
>> partition /dev/sdd and set it's type to LVM
ws1:~# fdisk /dev/sdd
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel. Changes will remain in memory only,
until you decide to write them. After that, of course, the previous
content won't be recoverable.
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-130, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-130, default 130):
Using default value 130
Command (m for help): t
Selected partition 1
Hex code (type L to list codes): 8e
Changed system type of partition 1 to 8e (Linux LVM)
Command (m for help): p
Disk /dev/sdd: 1073 MB, 1073741824 bytes
255 heads, 63 sectors/track, 130 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdd1 1 130 1044193+ 8e Linux LVM
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
ws1:~#
>> display disk partitions
ws1:~# fdisk -l
Disk /dev/sda1: 1073 MB, 1073741824 bytes
255 heads, 63 sectors/track, 130 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sda1 doesn't contain a valid partition table
Disk /dev/sda2: 134 MB, 134217728 bytes
255 heads, 63 sectors/track, 16 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sda2 doesn't contain a valid partition table
Disk /dev/sdb: 1073 MB, 1073741824 bytes
255 heads, 63 sectors/track, 130 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 130 1044193+ 8e Linux LVM
Disk /dev/sdd: 1073 MB, 1073741824 bytes
255 heads, 63 sectors/track, 130 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdd1 1 130 1044193+ 8e Linux LVM
ws1:~#
>> configure /dev/sdb1 as a physical volume (PV)
ws1:~# pvcreate /dev/sdb1
Physical volume "/dev/sdb1" successfully created
>> configure /dev/sdd1 as a physical volume (PV)
ws1:~# pvcreate /dev/sdd1
Physical volume "/dev/sdd1" successfully created
>> display our physical volumes
ws1:~# pvdisplay
--- NEW Physical volume ---
PV Name /dev/sdb1
VG Name
PV Size 1019.53 MB
Allocatable NO
PE Size (KByte) 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID i4eUR6-gKOT-GMGD-fbCe-BdpZ-92sZ-31ijaa
--- NEW Physical volume ---
PV Name /dev/sdd1
VG Name
PV Size 1019.53 MB
Allocatable NO
PE Size (KByte) 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID NzdCHZ-n2qv-Bf27-IvNy-7cHi-1IIC-tBlKoL
ws1:~#
>> create our volume group
ws1:~# vgcreate -h
vgcreate: Create a volume group
vgcreate
[-A|--autobackup {y|n}]
[--addtag Tag]
[--alloc AllocationPolicy]
[-c|--clustered]
[-d|--debug]
[-h|--help]
[-l|--maxlogicalvolumes MaxLogicalVolumes]
[-M|--metadatatype 1|2]
[-p|--maxphysicalvolumes MaxPhysicalVolumes]
[-s|--physicalextentsize PhysicalExtentSize[kKmMgGtT]]
[-t|--test]
[-v|--verbose]
[--version]
VolumeGroupName PhysicalVolume [PhysicalVolume...]
>> create volume group named tape-store-01, using PV /dev/sdb1
ws1:~# vgcreate tape-store-01 /dev/sdb1
Volume group "tape-store-01" successfully created
ws1:~#
>> show our volume group allocation
ws1:~# vgdisplay -v
Finding all volume groups
Finding volume group "tape-store-01"
--- Volume group ---
VG Name tape-store-01
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 1
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 0
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 1016.00 MB
PE Size 4.00 MB
Total PE 254
Alloc PE / Size 0 / 0
Free PE / Size 254 / 1016.00 MB
VG UUID MFI9pe-wmGQ-EV18-Hirx-iUp6-sBF5-bLuriF
--- Physical volumes ---
PV Name /dev/sdb1
PV UUID i4eUR6-gKOT-GMGD-fbCe-BdpZ-92sZ-31ijaa
PV Status allocatable
Total PE / Free PE 254 / 254
ws1:~#
>> create our logical volume
ws1:~# lvcreate -h
lvcreate: Create a logical volume
lvcreate
[-A|--autobackup {y|n}]
[--addtag Tag]
[--alloc AllocationPolicy]
[-C|--contiguous {y|n}]
[-d|--debug]
[-h|-?|--help]
[-i|--stripes Stripes [-I|--stripesize StripeSize]]
{-l|--extents LogicalExtentsNumber |
-L|--size LogicalVolumeSize[kKmMgGtT]}
[-M|--persistent {y|n}] [--major major] [--minor minor]
[-m|--mirrors Mirrors [--nosync] [--corelog]]
[-n|--name LogicalVolumeName]
[-p|--permission {r|rw}]
[-r|--readahead ReadAheadSectors]
[-R|--regionsize MirrorLogRegionSize]
[-t|--test]
[--type VolumeType]
[-v|--verbose]
[-Z|--zero {y|n}]
[--version]
VolumeGroupName [PhysicalVolumePath...]
lvcreate -s|--snapshot
[-c|--chunksize]
[-A|--autobackup {y|n}]
[--addtag Tag]
[--alloc AllocationPolicy]
[-C|--contiguous {y|n}]
[-d|--debug]
[-h|-?|--help]
[-i|--stripes Stripes [-I|--stripesize StripeSize]]
{-l|--extents LogicalExtentsNumber |
-L|--size LogicalVolumeSize[kKmMgGtT]}
[-M|--persistent {y|n}] [--major major] [--minor minor]
[-n|--name LogicalVolumeName]
[-p|--permission {r|rw}]
[-r|--readahead ReadAheadSectors]
[-t|--test]
[-v|--verbose]
[--version]
OriginalLogicalVolume[Path] [PhysicalVolumePath...]
ws1:~#
>> create logical volume named tape-store, with size of 512M from
>> volume group tape-store-01
ws1:~# lvcreate --name tape-store --size 512M tape-store-01
Logical volume "tape-store" created
ws1:~#
>> display our logical volume
ws1:~# lvdisplay -a
--- Logical volume ---
LV Name /dev/tape-store-01/tape-store
VG Name tape-store-01
LV UUID VSBglq-Jf3k-qwzR-kEmU-Wtn2-WjPN-oBdCwG
LV Write Access read/write
LV Status available
# open 0
LV Size 512.00 MB
Current LE 128
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 254:0
ws1:~#
>> display our volume group allocation
ws1:~# vgdisplay
--- Volume group ---
VG Name tape-store-01
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 2
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 1016.00 MB
PE Size 4.00 MB
Total PE 254
Alloc PE / Size 128 / 512.00 MB
Free PE / Size 126 / 504.00 MB
VG UUID MFI9pe-wmGQ-EV18-Hirx-iUp6-sBF5-bLuriF
ws1:~#
>> now put a filesystem on our logical volume
ws1:~# mke2fs -h
mke2fs: invalid option -- h
Usage: mke2fs [-c|-t|-l filename] [-b block-size] [-f fragment-size]
[-i bytes-per-inode] [-I inode-size] [-j] [-J journal-options]
[-N number-of-inodes] [-m reserved-blocks-percentage] [-o creator-os]
[-g blocks-per-group] [-L volume-label] [-M last-mounted-directory]
[-O feature[,...]] [-r fs-revision] [-R options] [-qvSV]
device [blocks-count]
ws1:~#
>> create ext3 filesystem, using 4K block size, from logical volume,
>> /dev/tape-store-01/tape-store.
ws1:~# mke2fs -b 4096 /dev/tape-store-01/tape-store
mke2fs 1.40-WIP (14-Nov-2006)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
131072 inodes, 131072 blocks
6553 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=134217728
4 block groups
32768 blocks per group, 32768 fragments per group
32768 inodes per group
Superblock backups stored on blocks:
32768, 98304
Writing inode tables: done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 30 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
ws1:~#
>> create the mount point for the filesystem
ws1:~# mkdir /tape-store
>> and mount the filesystem
ws1:~# mount /dev/tape-store-01/tape-store /tape-store
>> show our disk space
ws1:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 1008M 364M 594M 38% /
tmpfs 65M 0 65M 0% /lib/init/rw
udev 10M 24K 10M 1% /dev
tmpfs 65M 4.0K 65M 1% /dev/shm
/dev/mapper/tape--store--01-tape--store
496M 396K 470M 1% /tape-store
ws1:~#
>> we will now resize the logical volume
>> get resize2fs usage
ws1:~# resize2fs -h
resize2fs 1.40-WIP (14-Nov-2006)
Usage: resize2fs [-d debug_flags] [-f] [-F] [-p] device [new_size]
ws1:~#
>> get lvextend usage
ws1:~# lvextend -h
lvextend: Add space to a logical volume
lvextend
[-A|--autobackup y|n]
[--alloc AllocationPolicy]
[-d|--debug]
[-h|--help]
[-i|--stripes Stripes [-I|--stripesize StripeSize]]
{-l|--extents [+]LogicalExtentsNumber |
-L|--size [+]LogicalVolumeSize[kKmMgGtT]}
[-m|--mirrors Mirrors]
[-n|--nofsck]
[-r|--resizefs]
[-t|--test]
[--type VolumeType]
[-v|--verbose]
[--version]
LogicalVolume[Path] [ PhysicalVolumePath... ]
ws1:~#
>> extend LV /dev/tape-store-01/tape-store by 256M
ws1:~# lvextend --size +256M /dev/tape-store-01/tape-store
Extending logical volume tape-store to 768.00 MB
Logical volume tape-store successfully resized
ws1:~#
>> NOTE: this only extended the logical volume, not the filesystem!!!
>> display our volume group allocation
ws1:~# vgdisplay
--- Volume group ---
VG Name tape-store-01
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 3
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 1
Max PV 0
Cur PV 1
Act PV 1
VG Size 1016.00 MB
PE Size 4.00 MB
Total PE 254
Alloc PE / Size 192 / 768.00 MB
Free PE / Size 62 / 248.00 MB
VG UUID MFI9pe-wmGQ-EV18-Hirx-iUp6-sBF5-bLuriF
ws1:~#
>> display our logical volume
ws1:~# lvdisplay -a
--- Logical volume ---
LV Name /dev/tape-store-01/tape-store
VG Name tape-store-01
LV UUID VSBglq-Jf3k-qwzR-kEmU-Wtn2-WjPN-oBdCwG
LV Write Access read/write
LV Status available
# open 1
LV Size 768.00 MB
Current LE 192
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 254:0
ws1:~#
>> show our disk space
>> NOTICE that our filesystem size is the same. We only extended the
>> logical volume, now we must resize the filesystem.
ws1:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 1008M 364M 594M 38% /
tmpfs 65M 0 65M 0% /lib/init/rw
udev 10M 24K 10M 1% /dev
tmpfs 65M 4.0K 65M 1% /dev/shm
/dev/mapper/tape--store--01-tape--store
496M 396K 470M 1% /tape-store
ws1:~#
>> NOTE: This version of Linux does not support on-line resizing, so I
>> must umount the filesystem before resize.
ws1:~# resize2fs /dev/tape-store-01/tape-store
resize2fs 1.40-WIP (14-Nov-2006)
Filesystem at /dev/tape-store-01/tape-store is mounted on /tape-store; on-line resizing required
old desc_blocks = 1, new_desc_blocks = 1
resize2fs: Kernel does not support online resizing
>> umount the filesystem
ws1:~# umount /tape-store
ws1:~#
>> resize the filesystem, but Linux wants' me to fsck (repair) it first.
ws1:~# resize2fs /dev/tape-store-01/tape-store
resize2fs 1.40-WIP (14-Nov-2006)
Please run 'e2fsck -f /dev/tape-store-01/tape-store' first.
ws1:~#
>> fsck the filesystem
ws1:~# e2fsck -f /dev/tape-store-01/tape-store
e2fsck 1.40-WIP (14-Nov-2006)
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/tape-store-01/tape-store: 11/131072 files (9.1% non-contiguous), 4209/131072 blocks
>> now I can resize the unmounted filesystem
ws1:~# resize2fs /dev/tape-store-01/tape-store
resize2fs 1.40-WIP (14-Nov-2006)
Resizing the filesystem on /dev/tape-store-01/tape-store to 196608 (4k) blocks.
The filesystem on /dev/tape-store-01/tape-store is now 196608 blocks long.
>> now mount the filesystem
ws1:~# mount /dev/tape-store-01/tape-store /tape-store
>> check the size of the filesystem now, it has been increased.
ws1:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 1008M 364M 594M 38% /
tmpfs 65M 0 65M 0% /lib/init/rw
udev 10M 24K 10M 1% /dev
tmpfs 65M 4.0K 65M 1% /dev/shm
/dev/mapper/tape--store--01-tape--store
744M 520K 713M 1% /tape-store
ws1:~#
>> now we will extend the volume group with more PV's in order to make
>> more space available for future expansion of our LV's.
>> get vgextend usage
ws1:~# vgextend -h
vgextend: Add physical volumes to a volume group
vgextend
[-A|--autobackup y|n]
[-d|--debug]
[-h|--help]
[-t|--test]
[-v|--verbose]
[--version]
VolumeGroupName PhysicalDevicePath [PhysicalDevicePath...]
>> extend the volume group tape-store-01 with PV /dev/sdd1
ws1:~# vgextend tape-store-01 /dev/sdd1
Volume group "tape-store-01" successfully extended
>> display our volume group allocation
ws1:~# vgdisplay -v
Finding all volume groups
Finding volume group "tape-store-01"
--- Volume group ---
VG Name tape-store-01
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 4
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 1
Max PV 0
Cur PV 2
Act PV 2
VG Size 1.98 GB
PE Size 4.00 MB
Total PE 508
Alloc PE / Size 192 / 768.00 MB
Free PE / Size 316 / 1.23 GB
VG UUID MFI9pe-wmGQ-EV18-Hirx-iUp6-sBF5-bLuriF
--- Logical volume ---
LV Name /dev/tape-store-01/tape-store
VG Name tape-store-01
LV UUID VSBglq-Jf3k-qwzR-kEmU-Wtn2-WjPN-oBdCwG
LV Write Access read/write
LV Status available
# open 1
LV Size 768.00 MB
Current LE 192
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 254:0
--- Physical volumes ---
PV Name /dev/sdb1
PV UUID i4eUR6-gKOT-GMGD-fbCe-BdpZ-92sZ-31ijaa
PV Status allocatable
Total PE / Free PE 254 / 62
PV Name /dev/sdd1
PV UUID NzdCHZ-n2qv-Bf27-IvNy-7cHi-1IIC-tBlKoL
PV Status allocatable
Total PE / Free PE 254 / 254
ws1:~#
>> now lets increase the LV tape-store by 512MB.
ws1:~# lvextend --size +512M /dev/tape-store-01/tape-store
Extending logical volume tape-store to 1.25 GB
Logical volume tape-store successfully resized
ws1:~#
>> show our volume group allocation
ws1:~# vgdisplay -v
Finding all volume groups
Finding volume group "tape-store-01"
--- Volume group ---
VG Name tape-store-01
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 5
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 0
Max PV 0
Cur PV 2
Act PV 2
VG Size 1.98 GB
PE Size 4.00 MB
Total PE 508
Alloc PE / Size 320 / 1.25 GB
Free PE / Size 188 / 752.00 MB
VG UUID MFI9pe-wmGQ-EV18-Hirx-iUp6-sBF5-bLuriF
--- Logical volume ---
LV Name /dev/tape-store-01/tape-store
VG Name tape-store-01
LV UUID VSBglq-Jf3k-qwzR-kEmU-Wtn2-WjPN-oBdCwG
LV Write Access read/write
LV Status available
# open 0
LV Size 1.25 GB
Current LE 320
Segments 2
Allocation inherit
Read ahead sectors 0
Block device 254:0
--- Physical volumes ---
PV Name /dev/sdb1
PV UUID i4eUR6-gKOT-GMGD-fbCe-BdpZ-92sZ-31ijaa
PV Status allocatable
Total PE / Free PE 254 / 0
PV Name /dev/sdd1
PV UUID NzdCHZ-n2qv-Bf27-IvNy-7cHi-1IIC-tBlKoL
PV Status allocatable
Total PE / Free PE 254 / 188
ws1:~#
>> umount the LV
ws1:~# umount /tape-store
>> repair the filesystem
ws1:~# e2fsck -f /dev/tape-store-01/tape-store
e2fsck 1.40-WIP (14-Nov-2006)
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/tape-store-01/tape-store: 11/196608 files (9.1% non-contiguous), 6294/196608 blocks
>> and resize the filesystem
ws1:~# resize2fs /dev/tape-store-01/tape-store
resize2fs 1.40-WIP (14-Nov-2006)
Resizing the filesystem on /dev/tape-store-01/tape-store to 327680 (4k) blocks.
The filesystem on /dev/tape-store-01/tape-store is now 327680 blocks long.
ws1:~#
>> mount the filesystem
ws1:~# mount /dev/tape-store-01/tape-store /tape-store
>> and show the disk space
ws1:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 1008M 364M 594M 38% /
tmpfs 65M 0 65M 0% /lib/init/rw
udev 10M 24K 10M 1% /dev
tmpfs 65M 4.0K 65M 1% /dev/shm
/dev/mapper/tape--store--01-tape--store
1.3G 768K 1.2G 1% /tape-store
ws1:~#
>> our logical volume tape-store has been increased to 1.3GB.
End