Article ID: 116578, created on Jul 29, 2013, last review on Apr 30, 2014

  • Applies to:
  • Virtuozzo


When you try to access some file you get the following error:
[root@mypcs ~]# cat /var/parallels/testVm.pvm/harddisk.hdd/DiskDescriptor.xml.Backup
cat: /var/parallels/testVm.pvm/harddisk.hdd/DiskDescriptor.xml.Backup: Device or resource busy


There was an MDS failure and another client holds the lease currently.


  1. Find this error in MDS log /var/log/pstorage/mycluster/mds-1/mds.log:
    07-05-13 16:47:50.914 lease_update: shared conflicts with existing excl lease on #81f 'DiskDescriptor.xml.Backup' - 56149 msec till expiration [#2068]
  2. Find the client that holds the lease currently:
    pstorage -c mycluster stat | grep 2068
  3. Login to the client and cat the file:
    cat  PATH/DiskDescriptor.xml.Backup
After that, the file should be unlocked.

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