Index: sys/contrib/openzfs/module/zcommon/zfs_namecheck.c 
===================================================================
--- sys/contrib/openzfs/module/zcommon/zfs_namecheck.c 
+++ sys/contrib/openzfs/module/zcommon/zfs_namecheck.c 
@@ -450,11 +450,16 @@
                return (-1);
        }
 
+       /* We really do not need this historical artifact 
+        *  as this was entirely a Solaris and OpenSolaris concern 
+        * Dennis Clarke dclarke@blastwave.org
+        *
        if (pool[0] == 'c' && (pool[1] >= '0' && pool[1] <= '9')) {
                if (why)
                        *why = NAME_ERR_DISKLIKE;
                return (-1);
        }
+       */
 
        return (0);
 }