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kvm_recover_space_from_vm

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kvm_recover_space_from_vm [2014/12/02 21:05] – [Test] adminkvm_recover_space_from_vm [2014/12/02 21:06] – [Test] admin
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 ====Test==== ====Test====
-  * Monitor VM image size.+  * Monitor VM image size. Use the -s ls option to see real usage.
   * Create large file: <code>cd /var/tmp/   * Create large file: <code>cd /var/tmp/
 time dd if=/dev/urandom of=tstfile bs=2048k count=512 oflag=direct</code> time dd if=/dev/urandom of=tstfile bs=2048k count=512 oflag=direct</code>
   * Delete tstfile   * Delete tstfile
   * Trim the filesystem: <code>fstrim -v /var</code>   * Trim the filesystem: <code>fstrim -v /var</code>
-  * Check VM image size. You can see in the first column the size grow and shrink after fstrim. <code>$ ls -las+  * Check VM image size. You can see in the first column the size grow and shrink after fstrim. <code>$ ls -las vmcentos.qcow2
 1226824 -rw-r--r-- 1 nobody kvm 1256325120 Dec  2 21:59 vmcentos.qcow2 1226824 -rw-r--r-- 1 nobody kvm 1256325120 Dec  2 21:59 vmcentos.qcow2
 1355912 -rw-r--r-- 1 nobody kvm 1388511232 Dec  2 21:59 vmcentos.qcow2 1355912 -rw-r--r-- 1 nobody kvm 1388511232 Dec  2 21:59 vmcentos.qcow2
kvm_recover_space_from_vm.txt · Last modified: 2021/10/09 15:14 by 127.0.0.1