iZ94n1h2di9Z:~ # fdisk -l
Disk /dev/hda: 21.5 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders, total 41943040 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0008620d
Device Boot Start End Blocks Id System
/dev/hda1 * 2048 41943039 20970496 83 Linux
Disk /dev/xvdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders, total 1048576000 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/xvdb doesn‘t contain a valid partition table
Disk /dev/xvdc: 53.7 GB, 53687091200 bytes
255 heads, 63 sectors/track, 6527 cylinders, total 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/xvdc doesn‘t contain a valid partition table
iZ94n1h2di9Z:~ # pvcreate /dev/xvdb
Physical volume "/dev/xvdb" successfully created
iZ94n1h2di9Z:~ # pvdisplay
"/dev/xvdb" is a new physical volume of "500.00 GiB"
--- NEW Physical volume ---
PV Name /dev/xvdb
VG Name
PV Size 500.00 GiB
Allocatable NO
PE Size 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID vbM8CY-hIr8-qa7V-bMr3-77fI-yyAv-6RI1aF
iZ94n1h2di9Z:~ # vgcreate vgdisk /dev/xvdb
Volume group "vgdisk" successfully created
iZ94n1h2di9Z:~ # vgdisplay
--- Volume group ---
VG Name vgdisk
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 500.00 GiB
PE Size 4.00 MiB
Total PE 127999
Alloc PE / Size 0 / 0
Free PE / Size 127999 / 500.00 GiB
VG UUID SL5E0Z-B9hZ-xLWK-1OSP-C8hQ-8AIO-R7CaGC
iZ94n1h2di9Z:~ # lv create -L 100G -n app vgdisk
If ‘lv‘ is not a typo you can run the following command to lookup the package that contains the binary:
command-not-found lv
-bash: lv: command not found
iZ94n1h2di9Z:~ # lvcreate -L 100G -n app vgdisk
Logical volume "app" created
iZ94n1h2di9Z:~ # lvcreate -L 380G -n data vgdisk
Logical volume "data" created
iZ94n1h2di9Z:~ # lvdisplay
--- Logical volume ---
LV Name /dev/vgdisk/app
VG Name vgdisk
LV UUID uvRr5M-SAiV-B9A3-r3ei-F59D-lX39-XxrifI
LV Write Access read/write
LV Creation host, time iZ94n1h2di9Z, 2015-11-25 19:52:45 +0800
LV Status available
# open 0
LV Size 100.00 GiB
Current LE 25600
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 1024
Block device 252:0
--- Logical volume ---
LV Name /dev/vgdisk/data
VG Name vgdisk
LV UUID W4f5wT-QuGc-gike-FRws-ocNI-vOEr-cjlmKl
LV Write Access read/write
LV Creation host, time iZ94n1h2di9Z, 2015-11-25 19:53:39 +0800
LV Status available
# open 0
LV Size 380.00 GiB
Current LE 97280
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 1024
Block device 252:1
iZ94n1h2di9Z:~ # cd /home
iZ94n1h2di9Z:/home # ls
iZ94n1h2di9Z:/home # cd /data
-bash: cd: /data: No such file or directory
iZ94n1h2di9Z:/home # cd /
iZ94n1h2di9Z:/ # mkdir data
iZ94n1h2di9Z:/ # cd /data
iZ94n1h2di9Z:/data # ls
iZ94n1h2di9Z:/data # mkfs -t xfs /dev/vgdisk/app
meta-data=/dev/vgdisk/app isize=256 agcount=4, agsize=6553600 blks
= sectsz=512 attr=2, projid32bit=0
data = bsize=4096 blocks=26214400, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0
log =internal log bsize=4096 blocks=12800, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
iZ94n1h2di9Z:/data # mkfs -t xfs /dev/vgdisk/data
meta-data=/dev/vgdisk/data isize=256 agcount=4, agsize=24903680 blks
= sectsz=512 attr=2, projid32bit=0
data = bsize=4096 blocks=99614720, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0
log =internal log bsize=4096 blocks=48640, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
iZ94n1h2di9Z:/data # mount /dev/vgdisk/app /home
iZ94n1h2di9Z:/data # mount /dev/vgdisk/data /data
iZ94n1h2di9Z:/data # df -k
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/hda1 20641404 2227356 17365524 12% /
udev 4095364 128 4095236 1% /dev
tmpfs 4095364 220 4095144 1% /dev/shm
/dev/mapper/vgdisk-app 104806400 32928 104773472 1% /home
/dev/mapper/vgdisk-data 398264320 32928 398231392 1% /data
iZ94n1h2di9Z:/data # mkfs -t xfs /dev/xvdc
meta-data=/dev/xvdc isize=256 agcount=4, agsize=3276800 blks
= sectsz=512 attr=2, projid32bit=0
data = bsize=4096 blocks=13107200, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0
log =internal log bsize=4096 blocks=6400, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
iZ94n1h2di9Z:/data # cd /
iZ94n1h2di9Z:/ # mkdir db
iZ94n1h2di9Z:/ # mount /dev/xvdc /db
iZ94n1h2di9Z:/ # df -k
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/hda1 20641404 2227360 17365520 12% /
udev 4095364 128 4095236 1% /dev
tmpfs 4095364 220 4095144 1% /dev/shm
/dev/mapper/vgdisk-app 104806400 32928 104773472 1% /home
/dev/mapper/vgdisk-data 398264320 32928 398231392 1% /data
/dev/xvdc 52403200 32928 52370272 1% /db
iZ94n1h2di9Z:/ #
最后将挂载信息写入挂载表，系统启动时自动挂载
/dev/hda1 / ext3 acl,user_xattr 1 1 proc /proc proc defaults 0 0 sysfs /sys sysfs noauto 0 0 debugfs /sys/kernel/debug debugfs noauto 0 0 usbfs /proc/bus/usb usbfs noauto 0 0 devpts /dev/pts devpts mode=0620,gid=5 0 0 /dev/vgdisk/app /home xfs rw 0 0 /dev/vgdisk/data /data xfs rw 0 0 /dev/xvdc /db xfs rw 0 0
时间： 2024-10-11 16:08:44