| author | Oleksandr Gavenko <gavenkoa@gmail.com> |
| Sat, 08 Sep 2012 18:48:53 +0300 | |
| changeset 1367 | b36747c6a74e |
| parent 899 | 7b4265c8d324 |
| permissions | -rw-r--r-- |
|
899
7b4265c8d324
Set fill-column as directory local var.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
735
diff
changeset
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-*- mode: outline; coding: utf-8; -*- |
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* Debian package. |
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$ sudo apt-get install lvm |
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* See partitions. |
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$ sudo sfdisk -l |
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or use gparted(1). |
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* Setup physical volume. |
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$ sudo pvcreate /dev/sdc3 |
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Physical volume "/dev/sdc3" successfully created |
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* Setup volume group. |
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$ sudo vgcreate vg0 /dev/sdc3 |
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Volume group "vg0" successfully created |
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* Show info about volume group. |
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$ sudo vgdisplay |
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--- Volume group --- |
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VG Name vg0 |
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System ID |
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Format lvm2 |
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Metadata Areas 1 |
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Metadata Sequence No 1 |
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VG Access read/write |
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VG Status resizable |
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MAX LV 0 |
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Cur LV 0 |
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Open LV 0 |
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Max PV 0 |
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Cur PV 1 |
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Act PV 1 |
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VG Size 77.22 GB |
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PE Size 4.00 MB |
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Total PE 19769 |
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Alloc PE / Size 0 / 0 |
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Free PE / Size 19769 / 77.22 GB |
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VG UUID ZOQvrP-PnJ2-kKsH-7aLU-eOa3-K5M2-sRstJH |
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* Create logical volume. |
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$ sudo lvcreate -L 10G -n home vg0 |
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Logical volume "home" created |
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* Show info about logical volume. |
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$ sudo lvdisplay |
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--- Logical volume --- |
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LV Name /dev/vg0/home |
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VG Name vg0 |
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LV UUID XWJFnF-LjQg-Xsvm-IeQI-68mX-jiYd-pSpA00 |
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LV Write Access read/write |
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LV Status available |
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# open 1 |
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LV Size 20.00 GB |
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Current LE 5120 |
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Segments 1 |
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Allocation inherit |
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Read ahead sectors 0 |
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Block device 254:0 |
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--- Logical volume --- |
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LV Name /dev/vg0/swap |
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VG Name vg0 |
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LV UUID BHBQd0-1RlO-hHn7-jAij-Gyg6-KnqE-lRBgPY |
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LV Write Access read/write |
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LV Status available |
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# open 1 |
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LV Size 1.00 GB |
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Current LE 256 |
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Segments 1 |
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Allocation inherit |
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Read ahead sectors 0 |
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Block device 254:1 |
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* Create fs on logical volume. |
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$ sudo mke2fs -j /dev/vg0/home |
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mke2fs 1.40-WIP (14-Nov-2006) |
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Filesystem label= |
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OS type: Linux |
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Block size=4096 (log=2) |
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Fragment size=4096 (log=2) |
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1310720 inodes, 2621440 blocks |
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131072 blocks (5.00%) reserved for the super user |
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First data block=0 |
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Maximum filesystem blocks=2684354560 |
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80 block groups |
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32768 blocks per group, 32768 fragments per group |
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16384 inodes per group |
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Superblock backups stored on blocks: |
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32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632 |
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Writing inode tables: done |
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Creating journal (32768 blocks): done |
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Writing superblocks and filesystem accounting information: done |
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* Remove logical volume. |
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$ sudo lvremove /dev/vg0/home |
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* Move home dir to lvm. |
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$ su |
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... |
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$ mv /home /home2 |
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$ lvcreate -L 10G -n home vg0 |
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$ mke2fs -j /dev/vg0/home |
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$ emacs /etc/fstab |
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... |
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$ cat /etc/fstab |
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... |
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/dev/vg0/home /home ext3 defaults 0 2 |
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... |
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$ mount -a |
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$ (cd /home2; tar -cf - .) | (cd /home; tar -xpf -) |
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$ rm -r /home2 |
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* Creating swap on lvm. |
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$ su |
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... |
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$ lvcreate -L 1G -n swap vg0 |
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$ mkswap -v1 /dev/vg0/swap |
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$ emacs /etc/fstab |
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... |
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$ cat /etc/fstab |
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... |
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/dev/vg0/swap swap swap defaults 0 0 |
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... |
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$ swapon -a |
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