Best storage option

hello
is GPFS on AIX considered the best storage option for oracle RAC ?
thanks

1) ASM is Oracle best practice for storage of both single instance and RAC 10g Oracle databases
2) Once you use it and know it, there is no come back from ASM, is by far the best performing, easy to manage and flexible storage option.
3) Dont be afraid of raw devices + ASM, you will configure your raw devices once and then all the work you have to do is from time to time just add new disks according to your requirements, ASM + Oracle Managed Files will do all the dirty job: Extend datafiles, balance and spread IO.

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  • What's the FASTEST file storage option ?

    Hi all,
    Im building an application in Java where indexing and storing of data is a major area of the app. It should be able to store the data as well as retrieve them rapidly as well as the files should be small in size.
    Knowing Java's popularity with XML, I've chosen that as one candidate, but the problem is Im not too sure how the above 2 criteria will match with XML.
    1) Is XML fast enuf considering retrieval of data ?
    2) And how about the[b] storage sizes ?
    Or should I scrap XML and build my own version file structure such as a B-tree ?
    How difficult would that be considering limited development time ?
    thanx in advance ....

    Anyway to deal with this post piece by piece.
    I agree with you that database infact rules out other
    options when it comes to speed and storage. Im not in
    anyway trying to abuse XML as a storage mechanism. If
    I had the freedom to use a database, I know I wudnt
    even hav posted this question, cos database wins
    hands down in ease of programmin, maintain, store and
    rapid response.
    Okay first of all my post was not a personal attack against you. There are plenty of people who abuse or ty to abuse XML as a storage mechanism with extremely unhappy results. I want to make that point clear not just to you but to any future readers of this thread so that if they are considering such a course of action they should come back to reality.
    It wud be insane to ask the client to
    to install a DBMS jus to make sure the P2P app wud
    run. As for the details about the solution, it is a
    P2P app, but not to share content as such traditional
    ones. Its supposed to help ppl arrive at better
    seacrh results on a Web Search Engine.Well this was dealt with previously. In short using JDBC does NOT imply a full blown database server. It could be a standalone database like Access or you could write your own driver that accesses a proprietary file directly or you could use a plain text driver.
    The point is that if you use JDBC you decouple your application from the storage. This is the important point. Because it means you can switch the storage mechanism as best fits you later without having to rewrite gobs of code.
    >
    As for the requiremtns, I need a storage mechanism
    sm to store the rankings a user might have given
    indivuidually per page or website. I need to store
    them as well as access them anytime I want and share
    them with the peers. Not only rankings I need to
    store other deatils like the search string, the
    datetime of the query etc.All the more reason to look at a database of some sort... an embedded database would be fine.
    >
    I will let you know more of the requiremtns as soon
    on as I advance onto it. Right now Im not
    concentratin on the storage part of it. ( Jus
    thinking of goin ahead with XML ) and rather
    implementing the P2P communication area. I was jus
    doing some research on what would be the best storage
    option for dealing with the app's "data". I read
    on a book that B-Tress and such data structures can
    actually be implemented on file storage thus giving
    better performance. And also I was looking for
    material ( white papers and such ) discussing the
    various issues of each storage option available
    currently which will stand as proof for the final
    solution I am gonna take.
    Okay here is the problem with all this. How do you think databases implement indexes?
    Hint: while it is all in the end vednor specific the answer is some sort of tree structure.
    So again back to the point if you want to write your own tree structure go right ahead... I think it's pointless but go right ahead. What you should do though is write it so that your application accesses this structure through JDBC so that later when you decide that re-inventing the wheel was not such a hot idea you can change the storage implementation without destroying your application.

  • What is the best Storage for Microsoft Dynamics NAV 2013

    If I want my Microsoft Dynamics NAV reside in Microsoft Azure, what is the best storage option?

    Hello RizaGrace,
    Thank you for your Interest in Azure.
    1. What exactly do you mean when you say 'best storage option', do you mean where will the Microsoft Dynamics NAV Server instances reside?
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  • Seeking advice on Best Practices for XML Storage Options - XMLTYPE

    Sparc64
    11.2.0.2
    During OOW12 I tried to attend every xml session I could. There was one where a Mr. Drake was explaining something about not using clob
    as an attribute to storing the xml and that "it will break your application."
    We're moving forward with storing the industry standard invoice in an xmltype column, but Im not concerned that our table definition is not what was advised:
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       (     "INVOICE_ID" NUMBER NOT NULL ENABLE,
         "DOC" "SYS"."XMLTYPE"  NOT NULL ENABLE,
         "VERSION" VARCHAR2(256) NOT NULL ENABLE,
         "STATUS" VARCHAR2(256),
         "STATE" VARCHAR2(256),
         "USER_ID" VARCHAR2(256),
         "APP_ID" VARCHAR2(256),
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         "UPDATE_TS" TIMESTAMP (6) WITH LOCAL TIME ZONE,
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    INITRANS 20  
    TABLESPACE "####_####_DATA"
           XMLTYPE COLUMN "DOC" STORE AS BASICFILE CLOB  (
      TABLESPACE "####_####_DATA"  XMLTYPE COLUMN "DOC" STORE AS BASICFILE CLOB  (
      TABLESPACE "####_####_DATA" ENABLE STORAGE IN ROW CHUNK 16384 RETENTION
      NOCACHE LOGGING
      STORAGE(INITIAL 81920 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
      PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT))
    XMLSCHEMA "http://mycompanynamehere.com/xdb/Invoice###.xsd" ELEMENT "Invoice" ID #####"
    {code}
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    Any help/advice would be appreciated.
    -abe                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

    Hi,
    I suggest you read this paper : Oracle XML DB : Choosing the Best XMLType Storage Option for Your Use Case
    It is available on the XML DB home page along with other documents you may be interested in.
    To sum up, the storage method you need depends on the requirement, i.e. how XML data is accessed.
    There was one where a Mr. Drake was explaining something about not using clob as an attribute to storing the xml and that "it will break your application."I think the message Mark Drake wanted to convey is that CLOB storage is now deprecated and shouldn't be used anymore (though still supported for backward compatibility).
    The default XMLType storage starting with version 11.2.0.2 is now Binary XML, a posted-parsed binary format that optimizes both storage size and data access (via XQuery), so you should at least use it instead of the BASICFILE CLOB.
    Schema-based Binary XML is also available, it adds another layer of "awareness" for Oracle to manage instance documents.
    To use this feature, the XML schema must be registered with "options => dbms_xmlschema.REGISTER_BINARYXML".
    The other common approach for schema-based XML is Object-Relational storage.
    BTW... you may want to post here next time, in the dedicated forum : {forum:id=34}
    Mark Drake is one of the regular user, along with Marco Gralike you've probably seen too at OOW.
    Edited by: odie_63 on 18 oct. 2012 21:55

  • Oracle White Paper- Storage Option for RAC. on Linux

    hi..
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    Nadeem ( [email protected] )

    NFS isn't a clustered file system at all - by RFC it is an exported file system with access controls
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    You can use NFS in a clustered server environment (to mount apps, read only data and for synchronous access to files), however it doesn't support the concurrency out of the box for RDBMS transactions - if a vendor is supporting this promise then that is for you to decide.
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  • Best storage solution for a G5 tower?

    Hello,
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    Hi BerryHalps
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    Click " Like " if you want to Thank someone.
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    1. Start up in Safe Mode.
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  • Need suggession on best Storage systems fro SAP.

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    Don't double post
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