Recommendations for RAID - HP ACU/Oracle Apex/Oracle Grid/Linux 6.3

Dear Experts,
Given:
- HW : HP ProLiant DL370 G6
- OS : Oracle Enterprise Linux 6.3
- Oracle Grid Infrastructure 11g R2
- Oracle Apex 4.2
Current Status
When I have entered HP ACU from bootable Smart Start CD, I found under the configuration of Smart Array P410i in Embedded Slot, the following:
-Smart Array P410i in Embedded Slot
---Internal Drive Cage at Port 1I : Box 1
------300 GB 2-Part SAS Drive at Part 1I : Box 1 : Bay 1
------300 GB 2-Part SAS Drive at Part 1I : Box 1 : Bay 2
------300 GB 2-Part SAS Drive at Part 1I : Box 1 : Bay 3
------300 GB 2-Part SAS Drive at Part 1I : Box 1 : Bay 4
---Internal Drive Cage at Port 2I : Box 1
------300 GB 2-Part SAS Drive at Part 2I : Box 1 : Bay 5
------300 GB 2-Part SAS Drive at Part 2I : Box 1 : Bay 6
------300 GB 2-Part SAS Drive at Part 2I : Box 1 : Bay 7
------300 GB 2-Part SAS Drive at Part 2I : Box 1 : Bay 8
The questions now:
1) Do you recommend the following configuration for RAID's logical arrays:
Using Logical View:
SAS Array A - 4 Logical Drive(s)
--- Logical Drive 1 (50.0 GB, RAID 1+0) ---> for OS
--- Logical Drive 2 (24.0 GB, RAID 0) ---> for SWAP
--- Logical Drive 3 (200.0 GB, RAID 1+0) ---> for ASM DATA
--- Logical Drive 4 (296.7 GB, RAID 1+0) ---> for ASM FRA
SAS Array B - 1 Logical Drive(s)
--- Logical Drive 5 (1.1 TB, RAID 0) ---> not critical for sources and other applications
2) What are your recommendations for the following steps to reach oracle apex 4.2 installed?
Best Regards
Mahmoud

Pl do not post duplicates - Best Performance for apex over Linux+HW RAID - continue the discussion in your earlier thread

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Pl do not post duplicates - Best Performance for apex over Linux+HW RAID - continue the discussion in your earlier thread

Developing with Oracle APEX... from an iPad?

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I'm a French APEX freelance. I have a blog about it and recently, I've wrote a post from a simple question: "Do you imagine developing APEX applications with an iPad?".
Actually, I thought a lot about it since the iPad is released in the US and very soon in the other countries.
You can read this post here if you speak French: http://romain.lazzarotto.fr/veille-technologique-oracle-apex/oracle-apex-sur-lipad/
or here with the Google translation: http://translate.googleusercontent.com/translate_c?hl=en&ie=UTF-8&sl=fr&tl=en&u=http://romain.lazzarotto.fr/veille-technologique-oracle-apex/oracle-apex-sur-lipad/&rurl=translate.google.com&twu=1&usg=ALkJrhgxLCmbOqmasvYOnXF4AVoT9voIOw
As database management and application development can be done 100% with a simple Web browser, why not doing that with an iPad?
It would bring so much mobility, and enable developers to have a better development experience, from anywhere with a 3G or Wi-Fi connection.
Most of all, what would you think about a dedicated iPad app? Imagine something very innovative with touch interfaces, which would enable you to manage regions, elements and buttons that way.
APEX has already some very nice UI features such as Query Builder to develop SQL requests without any coding, or drag and drop elements. I'm wondering how it could be extended to other features and used on such devices?
Oracle already developed some iPhone apps (available here: http://itunes.apple.com/us/artist/oracle-usa-inc/id284793707).
Do you think that an APEX app for the iPad (and other future similar devices) would be relevant?
With this post, I want to point out this idea and get feedback from the community, so feel free to share your opinion.
Have fun with APEX,
Romain.

Maybe not develop ON an iPad, but FOR the iPad...Sure. If it ever gets Flash. One of the first things I did was try and pull up my 4.0EA2 application. No Flash graphs/charts obviously, but other than that it rendered well.
If the ability to see the charts comes along (Flash support or HTML5 maybe?), then I can see it being a useful tool for our salesforce. Let alone building standalone apps.
It's a great platform from the hardware viewpoint. Just not ready for APEX yet.

Is RAID 5 not recommended for Oracle database ?

- I am planning to install Oracle database
Here are the specs:
- Dell PowerEdge T610 server
- Windows 2008 R2 (64-bit )
- 24 GB memory
- Oracle 10g database (64-bit database)
- Our database is for an ERP based client server application
- Will have around 35-45 users
- Will have around 150-200 transaction per day ( 8AM-5PM) only database
- database would be around 10-15GB (data files)
Now I am planning to buy the hardware server, I heard that RAID 5 is not recommended for Oracle database.
Is it true ?
What do you recommended for Oracle database ? RAID 5 (or) RAID 1

johnpau2013 wrote:
I heard that RAID 5 is not recommended for Oracle database.
Is it true ?Kind off... as Oracle (as per the RAC Starter Kits for example) explicitly recommends SAME - as in Stripe And Mirror Everything.
This is a combination of RAID1 and RAID0.
However, you will also get whitepapers from storage vendors like EMC in partnership with Oracle, that explains how to configure and use RAID5 storage and how effective this is. And as some will tell you, RAID5 can work just fine with Oracle... and some others will grimace and tell you how bad an idea that is from personal experiences.
In a nutshell - RAID5 requires a parity calculation on each write. That is a very expensive overhead if that calculation impacts the fwrite() (file write) command of a process writing data to disk. It significantly slows down the write operation.
However, if that parity calculation is done asynchronously and does not effect the elapsed time for a fwrite(), then a fwrite() to RAID5 is as fast or as slow as it would be to RAID10 for example.
Unsure how many modern storage system supports off-loading the parity calculation and not impacting the write I/O call. This can be done using ASICs (Application Specific Integrated Circuits), specialised s/w on the storage server, etc.
Whatever you put in place - test the RAID config thoroughly up front and ensure that performance is up to specs. There's a utility called fio (<i>Flexible I./O</i>) written by a Linux kernel hacker that works for Oracle. It is an excellent utility to use to generate and test I/O - but it is Linux and Unix based.
Any specific reason using Windows? Linux is by far a more predominant 64bit operating system than Windows, and has significant higher market share in Oracle RDBMS than Windows. Given the fact that over 93% of the 500 fastest computer systems on this planet runs Linux, I'm always kind of amazed that some would still use Windows as a server-side o/s for Oracle.

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Looking For You Quick Response
With Best Regards

Why not instead run a dbms_scheduler job to handle your backup? Or better yet, just build a scheduled job to run every night and you don't need to have the user run ANYTHING?
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Enter a password for the ADMIN user,Error in installing Oracle Apex,

hi, everybody,
Greetings,
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Enter a value below for the password for the Application Express ADMIN user.
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suresh.m2015,
It's going to be impossible for anyone in this forum to help with your issue if you don't provide any more detail about your environment and Apex installation. However, from your post it looks like the Apex database objects are missing or invalid.
Did you follow the Apex installation guide step by step? For example, did you run apexins.sql?
It's important to follow the documentation. The script you are running to change the admin user password should not be run until after the Apex installation is complete.
--Keith Malay

Note 830576 - Parameter recommendations for Oracle 10g

hi all DBA experts.
I am not good familiar with Oracle database while i read a Note 830576 - Parameter recommendations for Oracle 10g. in which SAP General Recommendation:
You should delete obsolete initialization parameters from the profile.
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hi both,
thanks for knowledge sharing with me other SDN users,
Dear Orkun,
Ok. At this stage, I can recommend you that apply what they have suggested,
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*** INFORMATION 1 ***
*** INFORMATION 2 ***
*** INFORMATION 3 ***
*** INFORMATION 4 ***
*** INFORMATION 5 ***
*** INFORMATION 6 ***
*** INFORMATION 7 ***
*** INFORMATION 8 ***
*** INFORMATION 9 ***
*** INFORMATION 10 ***
*** INFORMATION 11 ***
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event (10753)
event (38087)
event (10183)
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sort_area_retained_size
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statistics_level
workarea_size_policy
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MS Windows x86-64 (64-bit)
Patchset_10204_MSWIN-x86-64aa.bin
Patchset_10204_MSWIN-x86-64ab.bin
Patchset_10204_MSWIN-x86-64ac.bin
OPatch
OPatch_10205_Generic_v0.zip
Generic (32-bit / 64-bit)
p8350262_10204_Generic.zip
p7592030_10204_WIN_GENERIC.zip
p9254968_10204_WIN_GENERIC.zip
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p9584028_102040_Generic.zip
p9843740_10204_Generic.zip
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Regards,

SAP Note 830576 - Parameter recommendations for Oracle 10g

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Error. To be closed.

Cache and Load Balancing for Oracle APEX Listener

Hi,
I intend to use only HTTP access.
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Kind Regards.

Error. To be closed.

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I m currently testing external components with Windows Server and I want to test Oracle 11g R2.
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>
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Recommendations for RAID - HP ACU/Oracle Apex/Oracle Grid/Linux 6.3

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