异构平台之间的配置DataGuard的情况说明

在部署DataGuard时，最简单的情况是主/备节点配置完全相同的。但是，有时会碰巧会有在异构操作系统上进行部署的情况，以便于从异构平台之间进行数据迁移能有最小的停机时间或风险。为用户通过配置异构的处理能力或硬件本钱较低的备用系统，以减少在灾备上的投资，这也是全理的方案。使用提供这类配置的说明信息，以肯定哪些平台组合能进行Data Guard的配置，和任何额外的要求或限制是不是在可能适用的范围。

如果斟酌使用1个异构的主/备DataGuard配置，Oracle建议用户进行充分的测试，并确保DataGuard能够实现switchover 或 failover的正常切换。

1.肯定主备库的 Platform ID

SQL>  select platform_id, platform_name from v$database;

PLATFORM_ID PLATFORM_NAME
----------- --------------------------------------------------------------------------------
         13 Linux x86 64-bit
         

只要在被认证的每一个服务器上能运行Oracle的平台上，安装了Oracle软件是相同的，并且是相同的Oracle数据库版本和补钉集，主服务器和备用服务器之间的差异总是支持。
所支持的这类差异的例子包括以下内容：

• Hardware manufacturer (e.g. Dell and Sun or Hitachi and EMC)
• Hardware configuration (e.g. number of CPUs, amount of RAM, storage configuration, etc)
  
• Processor (e.g. x86⑹4 AMD64 and x86⑹4 Intel 64; POWER4 and POWER5) 
  
• Operating system distribution (e.g. Red Hat Linux, SUSE Linux or Oracle Enterprise Linux)
• Operating system version (e.g. Windows 2000 and Windows XP)

上面的差别能被认为是相同的平台（PLATFORM_ID）


2. 如果主备库的平台（PLATFORM_ID）不同，能通过下面的表检查两个台之间是不是能支持配置物理 DataGuard


除支持相同的平台配置DataGuard之外，通过下表也能够看到，1些不同的平台之间也能配置 物理 DataGuard，如Linux x86⑹4和Microsoft Windows (x86⑹4)。

PLATFORM_ID	PLATFORM_NAME Release name	PLATFORM_IDs supported within the same Data Guard configuration when using Data Guard Redo Apply (Physical Standby)
2	Solaris[tm] OE (64-bit) Solaris Operating System (SPARC) (64-bit)	2 6 - This is not supported due to issues reported in Bug 12702521
3	HP-UX (64-bit) HP-UX PA-RISC	3 4 - Oracle 10g onward, see Support Note: 395982.1 and Note:414043.1
4	HP-UX IA (64-bit) HP-UX Itanium	4 3 - Oracle 10g onward, see Support Notes Note: 395982.1 and Note:414043.1
5	HP Tru64 UNIX HP Tru64 UNIX	5
6	IBM AIX on POWER Systems (64-bit)	2 - This is not supported due to issues reported in Bug 12702521 6
7	Microsoft Windows (32-bit) Microsoft Windows (x86)	7 8, 12  - Oracle 10g onward, see Support Note: 414043.1  10 - Oracle 11g onward, requires Patch 13104881 11, 13 - Oracle 11g onward, see Support Note: 414043.1, also requires Patch 13104881
8	Microsoft Windows IA (64-bit) Microsoft Windows (64-bit Itanium)	7 - Oracle 10g onward, see Support Note: 414043.1 8 12 - Oracle 10g onward 11, 13 - Oracle 11g onward, requires Patch 13104881
9	IBM zSeries Based Linux z/Linux	9 18 (64-bit zSeries only)
10	Linux (32-bit) Linux x86	7 - Oracle 11g onward, requires Patch 13104881  10 11, 13 - Oracle 10g onward, see Support Note: 414043.1
11	Linux IA (64-bit) Linux Itanium	10 - Oracle 10g onward, see Support Note: 414043.1 11 13 - Oracle 10g onward 7 - Oracle 11g onward, see Support Note: 414043.1, also requires Patch 13104881 8, 12 - Oracle 11g onward, requires Patch 13104881
12	Microsoft Windows 64-bit for AMD Microsoft Windows (x86⑹4)	7 - Oracle 10g onward, see Support Note Note: 414043.1 8 - Oracle 10g onward 12 11, 13 - Oracle 11g onward, requires Patch 13104881
13	Linux 64-bit for AMD Linux x86⑹4	7 - Oracle 11g onward, see Support Note: 414043.1, also requires Patch 13104881 10 - Oracle 10g onward, see Support Note Note: 414043.1 11 - Oracle 10g onward 8, 12 - Oracle 11g onward, requires Patch 13104881 13 20 - Oracle 11g onward
15	HP Open VMS HP OpenVMS Alpha HP IA OpenVMS OpenVMS Itanium	15
16	Apple Mac OS Mac OS X Server	16
17	Solaris Operating System (x86) Solaris Operating System (x86)	17 20 - Oracle 10g onward, see Support Note: 414043.1
18	IBM Power Based Linux Linux on Power	9 (64-bit zSeries only) 18
20	Solaris Operating System (AMD64) Solaris Operating System (x86⑹4)	13 - Oracle 11g onward  17 - Oracle 10g onward, see Support Note: 414043.1 20

文档 ID 413484.1

总结：

也能够看到，从Oracle 11g开始， Oracle能支持某些异构平台之间的 DataGuard 部署了。