User Tools

Site Tools


lvm

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
lvm [2013/07/03 19:52]
k2patel [Steps to create LVM from drive]
lvm [2020/08/10 02:35] (current)
Line 19: Line 19:
 ==== Add drive to LVM ==== ==== Add drive to LVM ====
 <code bash> <code bash>
-fdisk /​dev/​xvdk ​+# Rescan the machine if not found. 
 +echo "- - -" > /​sys/​class/​scsi_host/​host0/​scan 
 +# Cont. 
 +fdisk /​dev/​xvdk ​## Comment "​Specify Type 8e by option t"
 mkfs.ext3 /​dev/​xvdk1 ​ mkfs.ext3 /​dev/​xvdk1 ​
 pvcreate /​dev/​xvdk1 ​ pvcreate /​dev/​xvdk1 ​
 vgextend vg0 /dev/xvdk1 vgextend vg0 /dev/xvdk1
-lvextend -L 300G /​dev/​vg0/​lv-vol001  +lvextend -L 300G /​dev/​vg0/​lv-vol001 
-lvextend -L+99.91G /​dev/​vg0/​lv-vol001 ​+OR 
 +lvextend -L+99.91G ​/​dev/​vg0/​lv-vol001 
 +OR 
 +lvextend -l +100%FREE ​/​dev/​vg0/​lv-vol001
 resize2fs /​dev/​vg0/​lv-vol001 resize2fs /​dev/​vg0/​lv-vol001
 </​code>​ </​code>​
- 
 ==== Reducing Size ==== ==== Reducing Size ====
  
Line 44: Line 49:
 e2fsck -y /​dev/​mapper/​VolGroup00-LogVol02 e2fsck -y /​dev/​mapper/​VolGroup00-LogVol02
 lvextend -L+512M /​dev/​mapper/​VolGroup00-LogVol02 lvextend -L+512M /​dev/​mapper/​VolGroup00-LogVol02
 +OR
 +lvextend -l +100%FREE /​dev/​mapper/​VolGroup00-LogVol02
 resize2fs /​dev/​mapper/​VolGroup00-LogVol02 resize2fs /​dev/​mapper/​VolGroup00-LogVol02
 mount /opt mount /opt
Line 51: Line 58:
  
 <code bash | history> <code bash | history>
 +#rescan the device
 +echo "- - -" > /​sys/​class/​scsi_device/​1\:​0\:​0\:​0/​device/​rescan
 +#list devices and confirm you are going to update which drive.
 fdisk -l fdisk -l
-fdisk /dev/sda ## Comment "Specidy ​Type 8e by option t"+### Delete and recreate the partition 'make sure start block is the same'​ 
 +fdisk /dev/sda ## Comment "Specify ​Type 8e by option t" 
 +### Reprobe partition table. 
 +partprobe -s
 mkfs.ext3 /dev/sda1 mkfs.ext3 /dev/sda1
 vgextend VolGroup00 /dev/sda1 vgextend VolGroup00 /dev/sda1
lvm.1372881133.txt.gz · Last modified: 2020/08/10 02:30 (external edit)