Oracle VM Server for SPARC 3.6 Administration Guide Using Virtual Disks Virtual Disk Issues In Certain Conditions, a Guest Domain's Solaris Volume Manager Configuration or Metadevices Can Be Lost How to Find a Guest Domain's Solaris Volume Manager Configuration or Metadevices How to Find a Guest Domain's Solaris Volume Manager Configuration or Metadevices Boot the guest domain. Disable the devid feature of Solaris Volume Manager by adding the following lines to the /kernel/drv/md.conf file: md_devid_destroy=1; md_keep_repl_state=1; Reboot the guest domain. After the domain has booted, the Solaris Volume Manager configuration and metadevices should be available. Check the Solaris Volume Manager configuration and ensure that it is correct. Re-enable the Solaris Volume Manager devid feature by removing from the /kernel/drv/md.conf file the two lines that you added in Step 2. Reboot the guest domain. During the reboot, you will see messages similar to this: NOTICE: mddb: unable to get devid for 'vdc', 0x10 These messages are normal and do not report any problems.