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GeekInterview.com > Interview Questions > Oracle > Backup and Recovery
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Question: You can take a coldbackup from solaris and use it on windows NT?
A) Yes B) Yes, if RMAN backup performed from NT server C) Yes, after running RMAN convert D) No
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| May 05, 2008 10:23:57 |
#1 |
| suchoudh |
Member Since: May 2008 Total Comments: 2 |
RE: You can take a coldbackup from solaris and use it on windows NT?A) YesB) Yes, if RMAN backup performed from NT serverC) Yes, after running RMAN convertD) No |
D) NO
Reason :
We can use rman convert only for Os with same endian format.
Solaris is big endian and windows is small endian and hence rman convert will not work in this scenario. We will need to use transportable tablespace here. Check note 413586.1
SQL> select PLATFORM_NAME, ENDIAN_FORMAT from V$TRANSPORTABLE_PLATFORM;
PLATFORM_NAME ENDIAN_FORMAT ---------------------------------------- -------------- Solaris[tm] OE (32-bit) Big Solaris[tm] OE (64-bit) Big Microsoft Windows IA (32-bit) Little Linux IA (32-bit) Little AIX-Based Systems (64-bit) Big HP-UX (64-bit) Big HP Tru64 UNIX Little HP-UX IA (64-bit) Big Linux IA (64-bit) Little HP Open VMS Little Microsoft Windows IA (64-bit) Little IBM zSeries Based Linux Big Linux 64-bit for AMD Little Apple Mac OS Big Microsoft Windows 64-bit for AMD Little Solaris Operating System (x86) Little IBM Power Based Linux Big
This roughly translates as 3 thumb rules 1) Microsoft and linux are little endian 2) IBM Soalris and Apple are big endian 3) HP tru and open are little endian but 64 bit are BIG endian
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