Problems with partitioning hard disk

Hi, I have an external hard disk with 2tb capacity.
I want to create one partition of 1,5 tb to use with Time Machine and one partition with 500 gb to use both with windows and mac.
I have partitioned the first one in HFS extended and the second one in exfat, using the GUID partition table.
Now the problem: on the mac both the partitions work well.
In Windows, on the contrary, the exfat partition is not recognized. It says it is to be formatted a nd if I try to format it (in windows) it says it is not able to do this.
I don't know what is the problem, even if I think it can be in the GUID table used...

I think you can have only one OPTION for the partition table map scheme which is for the entire drive.
So, when you created your two partitions (1.5GB Mac OS Extended - Journaled format and a 2nd for the rest of the space as ExfFat format) you chose the partition table map scheme as GUID, Windows will not see either partition. For Windows to see the ExFat partition, the partition map scheme has to be Master Boot Record.
I have never formated two different partitions like you and made the partition table map scheme Master Boot Record. I know the PC will see the ExFat partition, but I don't know if the Mac will see the other. Understand you won't be able to boot from the Mac formated partition since the drive is MBR. Try it! You will need to reformat the drive with your two partitions when you change the partition table.

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http://support.apple.com/kb/ph5821
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Open Disk Utility, in the Utilities folder in Launchpad.
Select the disk you want to check.You can verify or repair permissions only on a disk with Mac OS X v10.7 Lion installed.
Click First Aid.
Do one of the following:
Click Verify Disk Permissions to test permissions.
Click Repair Disk Permissions to test and repair permissions.
Disk Utility repairs the permissions for files installed by the Mac OS X Installer, Software Update, or an Apple software installer. It doesn’t repair permissions for your documents, your home folder, or third-party applications.
If that does not resolve the issue, I would next verify and repair the disk with this:
Disk Utility 12.x: Repair a disk
http://support.apple.com/kb/PH5836
Thank you for using Apple Support Communities.
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[email protected]
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Message was edited by: Zevoneer

Problems with partition tables

Hi all,
I've got some problems with partition tables. The script at the bottom run but when I wanna insert some values it returns me an error
(ORA-06550: line 1, column 30: PL/SQL: ORA-06552: PL/SQL: Compilation unit analysis terminated
ORA-06553: PLS-320: the declaration of the type of this expression is incomplete or malformed
ORA-06550: line 1, column 7: PL/SQL: SQL Statement ignored)
and I can't understand why!
There's something incorrect in the script or not?
Please help me
Thanks in advance
Steve
CREATE TABLE TW_E_CUSTOMER_UNIFIED
ID_CUSTOMER_UNIFIED VARCHAR2 (27) NOT NULL ,
START_VALIDITY_DATE DATE NOT NULL ,
END_VALIDITY_DATE DATE ,
CUSTOMER_STATUS VARCHAR2 (255)
PARTITION BY RANGE (START_VALIDITY_DATE)
SUBPARTITION BY LIST (END_VALIDITY_DATE)
PARTITION M200909 VALUES LESS THAN (TO_DATE('20091001','YYYYMMDD'))
(SUBPARTITION M200909_N VALUES (NULL), SUBPARTITION M200909_NN VALUES (DEFAULT)),
PARTITION M200910 VALUES LESS THAN (TO_DATE('20091101','YYYYMMDD'))
(SUBPARTITION M200910_N VALUES (NULL), SUBPARTITION M200910_NN VALUES (DEFAULT)),
PARTITION M200911 VALUES LESS THAN (TO_DATE('20091201','YYYYMMDD'))
(SUBPARTITION M200911_N VALUES (NULL), SUBPARTITION M200911_NN VALUES (DEFAULT)),
PARTITION M200912 VALUES LESS THAN (TO_DATE('20100101','YYYYMMDD'))
(SUBPARTITION M200912_N VALUES (NULL), SUBPARTITION M200912_NN VALUES (DEFAULT)),
PARTITION M201001 VALUES LESS THAN (TO_DATE('20100201','YYYYMMDD'))
(SUBPARTITION M201001_N VALUES (NULL), SUBPARTITION M201001_NN VALUES (DEFAULT)),
PARTITION M201002 VALUES LESS THAN (TO_DATE('20100301','YYYYMMDD'))
(SUBPARTITION M201002_N VALUES (NULL), SUBPARTITION M201002_NN VALUES (DEFAULT)),
PARTITION M210001 VALUES LESS THAN (MAXVALUE))
(SUBPARTITION M210001_N VALUES (NULL), SUBPARTITION M210001_NN VALUES (DEFAULT))
;

Hi Hoek,
the DB version is 10.2 (italian version, then SET is correct).
...there's something strange: now I can INSERT rows but I can't update them!
I'm using this command string:
UPDATE TW_E_CUSTOMER_UNIFIED SET END_VALIDITY_DATE = TO_DATE('09-SET-09', 'DD-MON-RR') WHERE
id_customer_unified = '123' and start_validity_date = TO_DATE('09-SET-09', 'DD-MON-RR');
And this is the error:
Error SQL: ORA-14402: updating partition key column would cause a partition change
14402. 00000 - "updating partition key column would cause a partition change"
*Cause: An UPDATE statement attempted to change the value of a partition
key column causing migration of the row to another partition
*Action: Do not attempt to update a partition key column or make sure that
the new partition key is within the range containing the old
partition key.
I think that is impossible to use a PARTITION/SUBPARTITION like that: in fact the update of "END_VALIDITY_DATE" cause a partition change.
Do u agree or it's possible an update on a field that implies a partition change?
Regards Steve

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Problems with partitioning hard disk

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