ORA Database Error Messages ORA-07247: skgfrfms, skgfrnms: read error, unable to read block from database file July 14, 2015 mpbod ORA-07247: skgfrfms, skgfrnms: read error, unable to read block from database file Cause: The ioctl() system call returned an error doing VOL_READ_MIRRORS. Action: Check errno. Back to previous menu https://support.oracle.com/ http://www.oracle.com/ 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)