tech:documentation:procedures:vm:vm_disk_expansion_lvm_xfs
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tech:documentation:procedures:vm:vm_disk_expansion_lvm_xfs [2009/02/05 15:12] – ccumer | tech:documentation:procedures:vm:vm_disk_expansion_lvm_xfs [2010/04/16 11:27] – kohofer | ||
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**THEN TAKE A SNAPSHOT!!!** | **THEN TAKE A SNAPSHOT!!!** | ||
- | then from on the vm either create an additional | + | then from on the vm either create an additional |
< | < | ||
cfdisk /dev/sda | cfdisk /dev/sda | ||
- | ### for example if the new partition is /dev/sda3 | + | ## for example if the new partition is /dev/sda3 |
+ | ## create logical disk /dev/sda3 | ||
+ | # make disk visible to linux | ||
+ | partprobe | ||
pvcreate /dev/sda3 | pvcreate /dev/sda3 | ||
</ | </ | ||
- | or assign the whole new disk to lvm | + | if you are running a newer kernel you can issue this command to male linux re-read the disk geometry: |
+ | < | ||
+ | echo " | ||
+ | </ | ||
+ | |||
+ | or assign the whole new disk to lvm assuming it's /dev/sdb | ||
< | < | ||
+ | apt-get install scsitools | ||
+ | rescan-scsi-bus.sh | ||
cfdisk /dev/sdb | cfdisk /dev/sdb | ||
### for example if the new partition is /dev/sda3 | ### for example if the new partition is /dev/sda3 | ||
Line 20: | Line 30: | ||
now you have to extend the volgroup. use '' | now you have to extend the volgroup. use '' | ||
< | < | ||
- | vdisplay | + | lvdisplay |
--- Logical volume --- | --- Logical volume --- | ||
LV Name / | LV Name / | ||
Line 86: | Line 96: | ||
check with '' | check with '' | ||
- | Now we extend the " | + | < |
+ | pvscan | ||
+ | </ | ||
+ | |||
+ | Now we extend the " | ||
+ | 11.5 G is the NEW total size of the disk we want to extend! | ||
< | < | ||
- | lvextend -L 11.5G / | + | lvextend -L 11.5G / |
+ | </ | ||
+ | |||
+ | Extend with 20G | ||
+ | |||
+ | < | ||
+ | lvextend -L +20G / | ||
</ | </ | ||
Line 96: | Line 117: | ||
xfs_growfs /data | xfs_growfs /data | ||
</ | </ | ||
+ | |||
+ | Check if filesystems are ok, and only then release the snapshot | ||
+ | |||
+ | For ext2/ext3 | ||
+ | |||
+ | resize2fs / | ||
+ |
/data/www/wiki.inf.unibz.it/data/pages/tech/documentation/procedures/vm/vm_disk_expansion_lvm_xfs.txt · Last modified: 2020/10/13 16:46 by kohofer