Check The status of the cold backup before Perform Clone by creating control file method

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select hxfil FILENUMBER, fhsta STATUS, fhscn SCN, fhrba_seq SEQUENCE,fhafs,FHDBI,fhdbn from x$kcvfh order by fhsta;

FILENUMBER STATUS SCN SEQUENCE FHAFS FHDBI FHDBN
---------- ---------- ---------------- ---------- ---------------- ---------- ---------
6 4 2401335881 1 0 3300273167 PROD
2 4 2401335881 1 0 3300273167 PROD
3 4 2401335881 1 0 3300273167 PROD
4 4 2401335881 1 0 3300273167 PROD
5 4 2401335881 1 0 3300273167 PROD
11 4 2401335881 1 0 3300273167 PROD
7 4 2401335881 1 0 3300273167 PROD
8 4 2401335881 1 0 3300273167 PROD
9 4 2401335881 1 0 3300273167 PROD
10 4 2401335881 1 0 3300273167 PROD
1 8196 2401335881 1 0 3300273167 PROD

11 rows selected.
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See the status column, its 8194 (for system datafile) and 4 for non system datafiles,
the value 8196 and 4 denoted, online fuzzy, means that the database was opened, when the datafiles were copied,
if it was a cold backup, in that case the status column must be 8192 and 0 (Zero)