Differences between version 10 and predecessor to the previous major change of LVMNotes.
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| Newer page: | version 10 | Last edited on Monday, January 31, 2005 4:13:43 pm | by JohnMcPherson | Revert |
| Older page: | version 6 | Last edited on Tuesday, October 14, 2003 12:13:58 pm | by DanielLawson | Revert |
@@ -9,9 +9,10 @@
!!Solution
At install time, create a small (<100mb) /boot, swap, and a reasonable (4-6gb) / partition. Leave the rest of the space unpartitioned.
-Make sure LVM is compiled into your kernel, and you have the LVM tools installed (
Debian: apt-get
install lvm10).
+Make sure LVM is compiled into your kernel, and you have the LVM tools installed.
Debian 3 (woody)
: install lvm10. Debian Sarge/Sid: install lvm2.
+Gentoo has lvm (1.01
) and lvm2
.
!Create a PV[1] partition on your drive
# fdisk /dev/sda
@@ -23,9 +24,9 @@
First, run vgscan:
# vgscan
vgscan -- reading all physical volumes (this may take a while...)
vgscan -- "/etc/lvmtab" and "/etc/lvmtab.d" successfully created
- vgscan -- WARNING: This program does not do a VGDA backup of your volume group
+ vgscan -- WARNING: This program does not do a VGDA backup of your volume group[4]
This creates a volume group descriptor area (VGDA) at the start of the disks.
# pvcreate /dev/sda4
pvcreate -- physical volume "/dev/sda4" successfully created
@@ -43,9 +44,9 @@
# vgdisplay
Confirm that the VG size is the right amount for the size of the partition.
Note that if you use devfs, you'll need to use the full devfs pathname, not the /dev/sda4 symlink.
-EG:, use /dev/scsi/host0/bus0/target0/lun0/part4 instead of /dev/hda4
+EG:, use /dev/scsi/host0/bus0/target0/lun0/part4 instead of /dev/sda4
!Create some LVs [3]
# lvcreate -L20G -nhome lvmarray
@@ -106,4 +107,5 @@
[1] __PV__: Physical Volume; a disc or a partition on a disc.
[2] __VG__: Volume Group; a group of one-or-more physical volumes across which you get a "virtual disk", a space to create logical volumes in.
[3] __LV__: Logical Volume; something you eventually create an FS on.
+[4] To create a __VGDA__ (Volume Group Descriptor Area) Backup use !vgcfgbackup(8) regularly
