GV$HM_CHECK definition in Oracle Database 11.2
GV$HM_CHECK
select
inst_id, -- INST_ID NUMBER
id, -- ID NUMBER
name, -- NAME VARCHAR2(64)
name_nls, -- NAME_NLS VARCHAR2(1024)
clsid, -- CLSID NUMBER
decode( -- CLS_NAME VARCHAR2(15)
clsid, 1, 'GENERIC', 2, 'PERSISTENT_DATA', 3, 'ASM', 'UNKNOWN'),
flags, -- FLAGS NUMBER
decode( -- INTERNAL_CHECK VARCHAR2(1)
bitand(flags,1), 0, 'N', 'Y'),
decode( -- OFFLINE_CAPABLE VARCHAR2(1)
bitand(flags,2), 0, 'N', 'Y'),
description -- DESCRIPTION VARCHAR2(1024)
from
x$dbkh_check
where
bitand(flags,64) = 0