ORA Database Error Messages ORA-15054: disk “string” does not exist in diskgroup “string” September 9, 2015 mpbod ORA-15054: disk "string" does not exist in diskgroup "string" Cause: An attempt was made to DROP (or CHECK) a disk that is not part of the specified diskgroup. Action: Check the name of the specified disk and the specified diskgroup. Back to previous menu Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)