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lvm [2013/07/03 19:52]
k2patel [Worked Example on Live System]
lvm [2017/03/23 15:56] (current)
k2patel [Add drive to LVM]
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 
 +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
 +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
 +### Delete and recreate the partition 'make sure start block is the same'
 fdisk /dev/sda ## Comment "​Specify Type 8e by option t" 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.1372881145.txt.gz · Last modified: 2013/07/03 19:52 by k2patel