Exadata

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  • Exadata Smart Flashcache writeback still not Set as Default- Why ?

    Hi All, we have seen in our last couple of installations on Sparc Supecluster T4, Exadata X3-2 and also when oracle has patched and upgraded Exadata X2-2 they have not implemented Exadata smart flashcache writeback. T...
    robinsc
    last modified by robinsc
    Exadata Smart Flashcache writeback still not Set as Default- Why ?

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    • Half Rack exadata with DBFS_DG having normal redundancy ?

      My understanding was that the one command installation scripts automatically set the redundancy level for the DBFS_DG diskgroup.I believe I had actually foud this in the onecommand code in gridsteps.pm function Create...
      robinsc
      last modified by robinsc
      Half Rack exadata with DBFS_DG having normal redundancy ?

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      • Task on Exadata

        Dear Expert, I am new to exadata and I have get one opportunity to work on it Tasks need to performs are 1) Post Installation check list ie: How can I see every things are installed correctly. 2) upgrade ...
        sherkhan
        last modified by sherkhan
        Task on Exadata

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        • DBRM for IO rationing...when does IO rationing kick in

          Hi, For inter-db or for category IORM, we know to turn it on with "alter iormplan dbplan=<> catplan=<> "command. For intra-database IO rationing, what are we supposed to be doing? Nothing but just turnin...
          user13040671
          last modified by user13040671
          DBRM for IO rationing...when does IO rationing kick in

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          • Exadata Documentation

            Anyone know where it is available Exadata documentation (installation, configuration, user guide, etc..? Thanks! Fernando
            789731
            last modified by 789731
            Exadata Documentation

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            • What is exadata? How i get the besic documents for exadata?

              Hi Team,   Hi team,   I am oracle junior DBA. Now company assigned exadata project.   Kindly any one tell "what is the exadata? Is exadata next vesion of oracle or older version of oracle? or its se...
              944832
              last modified by 944832
              What is exadata? How i get the besic documents for exadata?

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              • Database Appliance

                Hello,        We have Oracle RAC environment with two database servers and one SAN storage. However, as the hardware of existing setup is getting expired, we are planning to implement new set...
                mabtariq
                last modified by mabtariq
                Database Appliance

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                • Regarding Exadata

                  Request you to provide the following clarifications regarding exadata.   1.      Will we have the liberty to decide core and disk requirement independently or being an appliance for opti...
                  cool_indyan
                  last modified by cool_indyan
                  Regarding Exadata

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                  • Exadata - Any Functionality Change Between V2/X3 and the ESS/RDBMS?

                    All,   We are currently running a V2 quarter-rack on 11.2.0.2 BP7 and 11.2.2.3.2 ESS. We're moving to a X3 quarter-rack shortly which will run whatever the latest and greatest versions of RDBMS/GI/ESS are.  ...
                    marksmithusa
                    last modified by marksmithusa
                    Exadata - Any Functionality Change Between V2/X3 and the ESS/RDBMS?

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                    • Exadata performance issue after Power Cycle Maintenance. Seems to be a Load Balance Issue

                      Hello All,   Good Day,   Last Sunday, we had performed a EPM (Emergency Preventive Maintenance) activity on our Exadata Half Rack. This machine only has our Production instance running. We had brought up a...
                      Exadata performance issue after Power Cycle Maintenance. Seems to be a Load Balance Issue

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                      • Some X11 tools don't work

                        We tried to run X11 application in Exadata, however xterm doesn't  work on Exadata. I am aware about the article Enable database hosts in Exadata Database Machine for using up2date or yum and vncserver (Doc ID 12...
                        siddhunrg - Oracle
                        last modified by siddhunrg - Oracle
                        Some X11 tools don't work

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                        • DBFS ASM diskgroup

                          Re: our new X3 machines (in the data centers, yet to be installed).   I know that some of this was sort of covered in the earlier thread about DBFS. However, I do have slightly different questions...   I u...
                          marksmithusa
                          last modified by marksmithusa
                          DBFS ASM diskgroup

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                          • SQL Modification for Exadata

                            Hello, We took delivery of our X3 1/4 rack server last week, will be setting it up later this month.   In a presentation on the web, someone listed comparison test results of 15 SQL's running on Exadata vs norma...
                            968673
                            last modified by 968673
                            SQL Modification for Exadata

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                            • Can sundiag be running on Exalogic Nodes, or it is only for Exadata nodes?

                              I feel "sundiag" is only run on Exadata nodes to help troubleshoot any oracle related issues. That is at least how i believe. Can I run it on Exalogic nodes as well? Where can I download it?   Please confirm. T...
                              946717
                              last modified by 946717
                              Can sundiag be running on Exalogic Nodes, or it is only for Exadata nodes?

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                              • Exadata with multi oracle user

                                Hi,   I would like to know if I can create one OS user by ORACLE_HOME database ?   Thanks for your answers.   Regards,   Vickram
                                Exadata with multi oracle user

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                                • RMAN on DBFS?

                                  does anyone knows if RMAN backupset (backup to ) on DBFS is supported. I can find ACFS supported but is not mentioned for DBFS. My current customer is thinking backup to DBFS then copy to tape as the interim solut...
                                  418582
                                  last modified by 418582
                                  RMAN on DBFS?

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                                  • EBS High Availability design

                                    Hi Gurus, What is the best way of configuring HA on EBS (APPS) side the DB side is running on an Exadata machine.I have 2 Sparc T-4s that i can use for the APPS.MOS Notes appreciated.
                                    967541
                                    last modified by 967541
                                    EBS High Availability design

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                                    • SQL that uses exact match of column to number not returning the row

                                      Hi, The WHERE clause (col1 = 11) is not returning the row whereas (col1 > 10.99 and col1 < 11.01) is returning the row. This happens in the context of a larger query- SELECT .... FROM ... WHERE ... AND EXIST...
                                      srrao
                                      last modified by srrao
                                      SQL that uses exact match of column to number not returning the row

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                                      • X3 overhead due to WriteBack

                                        Hi, Does anyone know whether there is any overhead in X3 when using the new WriteBack policy and use FlashCache for write operations?. We are planning to migrate from X2 model to X3 and ACS told me that there is a ...
                                        user1862659
                                        last modified by user1862659
                                        X3 overhead due to WriteBack

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                                        • Exadata network freeze

                                          I have a layer 2 problem (network looping) in my network some days ago and this problem was solved when I removed all exadata data connection from my external network switches. Somebody have similar problem here ?
                                          1005177
                                          last modified by 1005177
                                          Exadata network freeze

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