ASM diskgroup with different disc size
HelloDB: 10.2.0.4
Operating system: AIX 5.3 64-bit L
I have installation on 10g RAC ASM with node 2. It has the only Eve on ASM.
Total DB size is 250 GB.
Total size of FRA is 700 GB.
My FRA diskgroup to archivelog (also holds multiplex controlfile) each size of 50 GB drive. Even if I set the retention period for 1 day, backup to disk, rman getting failed, due to space issues. So I manually delete obsolete data report and rerun backup.
I want to add the workspace to FRA diskgroup regarding adding disks to FRA diskgroup. But, I have 100 GB drives available , it's not the same waist size of current existing FRA disc (50 GB).
Here's my question
(1) that I can Add the size different to the same diskgroup disc ?. If I add, are there performance problems?
My all data files are out of FRA diskgroup and there are someother diskgroup.
(2) if FRA diskgroup 50 GB and 100 GB of disks, and then how the archivelog and backup data will be erased?
Will the data stored up to 50 GB in all disks in FRA, even * 100 GB * disc is?.
(3) while doing recovery with different size of disk at diskgroup, what kind of problems can I face in performance wise?
(4) can I remove any diskgroup 50 GB disks and add the 100 GB drive, so that I can increase the size of the disk in the same diskgroup?. I'll remove it and add at the same time.
(5) add disks redundant external diskgroup , I'm ok with the following query?
ALTER DISKGROUP FRA add DRIVE ' </dev/rhdsk1 >', </dev/rhdsk2 > ', </dev/rhdsk3 > ';
Please help me on my doubts above.
Thank you and best regards,
Therese
Hi Sunand,
(1) can I add different diskgroup disc even size?. If I add, are there performance problems?
My all data files are out of FRA diskgroup and there are someother diskgroup.
A minimum of four (Oracle ASM disks) LUNS of equal size and performance is recommended for each disk group
(2) if FRA diskgroup 50 GB and 100 GB of disks, and then how the archivelog and backup data will be erased?
Data are saved up to 50 GB in all disks of FRA, same 100 GB drive is it?
Oracle ASM data distribution policy is based on the ability. Ensure that the Oracle ASM disks in a disk group have the same ability to maintain balance.
(3) while doing recovery with different size of disk at diskgroup, what kind of problems can I face in performance wise?
Ensure that all Oracle ASM disks in a disk group have similar performance characteristics and the availability of storage. In configurations of storage with dimmers of mixed speed, for example, 10 K and 15 K rpm, i/o performance is limited by the slow speed control.
(4) can I remove any diskgroup 50 GB disks and add the 100 GB drive, so that I can increase the size of the disk in the same diskgroup?. I'll remove it and add at the same time.
Yes. First, you add the 100 GB drive and then remove the drives from 50 GB.
(5) to add disks to external redundancy diskgroup, I'm ok with the following query?
ALTER DISKGROUP FRA ADD DRIVE ",", ";
Redundancy is controlled by the diskgroup. Then simply add the disks.
e.g ALTER DISKGROUP FRA ADD DISK '/dev/rhdsk1', '/dev/rhdsk2', '/dev/rhdsk3';
See doc below... Here are all your anwser.
http://download.Oracle.com/docs/CD/B19306_01/server.102/b14231/storeman.htm#i1014729
Kind regards
Levi Pereira
http://levipereira.WordPress.com
Tags: Database
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DeepakJ wrote:
I use the universal theme of apex 5.0 and tries to display the text of the logo ("sample application") and description ("this is a sample application") with different font size.
Type of logo - text
Logo - sample application - this is a sample application.
I want to display the description in the smallest font size, so I changed the Logo below
Logo - application example - This is an example of application.
But I have following problem.
1 - the font size for both is the same (why the size is not different?, because I gave the size of different font within the span tag)
Cannot reproduce. Using the code above results in different format text as expected. (He looks terrible IMO)
2 - the text of the whole logo whose description is displayed twice.
-Once in place of the actual logo and
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Including HTML tags in text in the 5.0/theme 42 APEX logos results in this behavior. I consider this as a bug as (a) it says nowhere that it is not possible to do so; (b) the text of the logo is not HTML - or attribute-escaped when used in the page.
See How to avoid to show the logo on the navigation bar to get an explanation of the underlying cause and a workaround to allow the common use cases include the text and a picture in the logo. This particular solution is of no use here. The solution to this problem requires a custom with the theme the theme roller style sheet, which is the preferred way and support to customize and extend the universal theme.
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select GROUP_NUMBER, name, ALLOCATION_UNIT_SIZE AU_SZ, STATE, TYPE, TOTAL_MB, FREE_MB, OFFLINE_DISKS from v$asm_diskgroup; GROUP_NUMBER NAME AU_SZ STATE TYPE TOTAL_MB FREE_MB OFFLINE_DISKS ------------ ------------------------------ ---------- ----------- ------ ---------- ---------- ------------- 1 ASM_DG_DATA 1048576 MOUNTED NORMAL 20472 14142 0 2 ASM_DG_FRA 1048576 MOUNTED EXTERN 10236 7143 0
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But through dbca, I can create diskgroup only with 2 drives
SQL> select GROUP_NUMBER, name, ALLOCATION_UNIT_SIZE AU_SZ, STATE, TYPE, TOTAL_MB, FREE_MB, OFFLINE_DISKS from v$asm_diskgroup; GROUP_NUMBER NAME AU_SZ STATE TYPE TOTAL_MB FREE_MB OFFLINE_DISKS ------------ ------------------------------ ---------- ----------- ------ ---------- ---------- ------------- 1 ASM_DG_DATA 1048576 MOUNTED NORMAL 20472 14142 0 2 ASM_DG_FRA 1048576 MOUNTED EXTERN 10236 7143 0 3 ASM_DATA 1048576 MOUNTED NORMAL 40946 40844 0
SQL> select a.disk_number, b.group_number, a.path, b.name, b.type from v$asm_disk a, v$asm_diskgroup b where a.group_number=b.group_number; DISK_NUMBER GROUP_NUMBER PATH NAME TYPE ----------- ------------ ---------------------- ------------------------------ ------ 0 3 /dev/raw/raw6 ASM_DATA NORMAL 1 3 /dev/raw/raw5 ASM_DATA NORMAL 0 2 /dev/raw/raw3 ASM_DG_FRA EXTERN 1 1 /dev/raw/raw2 ASM_DG_DATA NORMAL 0 1 /dev/raw/raw1 ASM_DG_DATA NORMAL
...
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Shows your screenshot of the ASMCA you assign disk/dev/raw/raw5 in FailGroup FG1 and disk/dev/raw/raw6 in FailGroup FG2 - two * different * FailGroups. Each disc is in a separate FailGroup.
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Please try this
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Did you create + diskgroup DATA_SRVNAME?
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