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kvm_shrink_nested_lvm

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kvm_shrink_nested_lvm [2014/06/11 15:52] – [KVM shrink nested LVM] adminkvm_shrink_nested_lvm [2021/10/09 15:14] (current) – external edit 127.0.0.1
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 {{tag>[kvm lvm]}} {{tag>[kvm lvm]}}
-~~TOC~~ 
 =====KVM shrink nested LVM===== =====KVM shrink nested LVM=====
 +**Note! Backup your data first!**
 +
   * Remove content in VM. Free some space, reduce filesystems, logical volumes etc. For example reduce home directory. <code># log in as root via serial, or via SSH.   * Remove content in VM. Free some space, reduce filesystems, logical volumes etc. For example reduce home directory. <code># log in as root via serial, or via SSH.
  
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 pvresize -v --setphysicalvolumesize 16G /dev/vda2</code> pvresize -v --setphysicalvolumesize 16G /dev/vda2</code>
   * On the KVM host, reduce the LV. <code>lvresize -L16G /dev/vg_kvm1/vmns2</code>   * On the KVM host, reduce the LV. <code>lvresize -L16G /dev/vg_kvm1/vmns2</code>
 +  * On the guest force fsck check at next boot, and reboot. <code>touch /forcefsck
 +reboot</code>
 +
  
  
kvm_shrink_nested_lvm.txt · Last modified: 2021/10/09 15:14 by 127.0.0.1