Windows 操作系统（不管32bit还是64bit）是不支持oracle db的 db_32k_cache_size参数的。
如下：
F:\oracle\product\10.2.0\db_1\BIN>sqlplus / as sysdba
SQL*Plus: Release 10.2.0.4.0 - Production on Tue May 19 09:03:23 2015
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
09:03:27 sys@FS> show parameter inst
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
active_instance_count integer
cluster_database_instances integer 1
instance_groups string
instance_name string fs
instance_number integer 0
instance_type string RDBMS
open_links_per_instance integer 4
parallel_instance_group string
parallel_server_instances integer 1
09:03:31 sys@FS> show parameter 32k
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_32k_cache_size big integer 0
09:03:37 sys@FS> alter system set db_32k_cache_size=10m;
alter system set db_32k_cache_size=10m
*
ERROR at line 1:
ORA-32017: failure in updating SPFILE
ORA-00382: 32768 not a valid block size, valid range [..]
Elapsed: 00:00:00.09
09:03:48 sys@FS> create tablespace tbs32K
16:43:28 2 datafile 'c:\tbs32K.dbf' size 4M
16:43:28 3 blocksize 32k;
create tablespace tbs32K
*
ERROR at line 1:
ORA-00382: 32768 not a valid block size, valid range [2048..16384]
Elapsed: 00:00:00.40
16:43:30 sys@FS>