Regarding ASM [message #574870] |
Wed, 16 January 2013 07:41 |
morad_dba
Messages: 93 Registered: June 2008
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Dear all,
I Configured an ASM instance and a disk group with two disk for normal redundancy.
> Here .. each disk is 2gb
The disk group has two disks...
SQL> select group_number, name, type, total_mb, free_mb
2 from v$asm_diskgroup;
GROUP_NUMBER NAME TYPE TOTAL_MB FREE_MB
------------ ------------------------------ ------ ---------- ----------
1 DATA NORMAL 4000 3898
Now my question is ... as the group has two way mirroring (Normal redundancy)
How much data (2 GB or 4 GB) can i keep in the disk group?
My conception is I can keep 2 GB data in the disk group... (as the disk group keeps every extent in another disk as mirror)
Is it right?
Regards,
Morad.
[Updated on: Wed, 16 January 2013 08:19] Report message to a moderator
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Re: Regarding ASM [message #574885 is a reply to message #574884] |
Wed, 16 January 2013 09:08 |
morad_dba
Messages: 93 Registered: June 2008
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Member |
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Thanks Brother,
I created a tablespace as
SQL> create tablespace data2 datafile '+data' size 1800m;
Now available free space is only 146 m.
QL> select group_number, name, type, total_mb, free_mb
2 , USABLE_FILE_MB from v$asm_diskgroup;
GROUP_NUMBER NAME TYPE TOTAL_MB FREE_MB USABLE_FILE_MB
------------ ------- ------ ---------- ---------- --------------
1 DATA NORMAL 4000 292 146
I got my answer.
Thanks.
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