Doubts about RAC infrastructure with a disk array

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• Reinstallation of Oracle 11 g 2 RAC grid problem - ASM disk group

  People,
  
  Hello.
  
  I want to install Oracle 11 g RAC 2 with 2 Virtual Machines (rac1 and rac2 which BONES are Oracle Linux 5.6) in VMPlayer.
  
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  Hello
  If you use oracleasm, then rebuild again asm disks.

  oracleasm deletedisk

  http://sabdarsyed.blogspot.com/2007/07/installing-configuring-Oracle-ASM-on.HTML should help. (use only delete and create orders without having to reinstall again)

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  (1) this solution will have a server in site A Weblogic and an another Weblogic Server on site B, and we will create a Weblogic cluster with these 2 servers. It is equivalent to an Oracle extended RAC, but with Weblogic. Our link between sites is extremely fast, dedicated, with a latency of less than 5 ms. Is it possible and cost-effective to build such a solution?

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  Hi all

  I try to install Oracle RAC 11 g 2 on 2 machines OEL5 with VM disks shared as a shared disc ASM storage.

  I am faced with getting the following error when running root.sh on the second node.

  Create DiskGroup CRS failed with the following message is displayed:

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  ORA-15017: diskgroup "CRS" can not be mounted.

  ORA-15003: diskgroup "CRS" already mounted in a different namespace locking

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  2014-02-19 09:42:12: mark for CSS existing voting records

  2014-02-19 09:42:12: the initial configuration for cluster performance

  2014-02-19 09:42:13: beginning of the resource ' ora.ctssd - init ' succeeded

  2014-02-19 09:42:13: configuration ASM via ASMCA

  2014-02-19 09:42:14: execution as the grid: /u01/app/11.2.0/grid/bin/asmca-silencieux diskGroupName - CRS - diskList ORCL:CRS1, ORCL:CRS3, ORCL:CRS2 - NORMAL redundancy - configureL

  ocalASM

  2014-02-19 09:42:14: running as user grid: /u01/app/11.2.0/grid/bin/asmca-silencieux diskGroupName - CRS - ORCL:CRS1, ORCL:CRS3, ORCL:CRS2 diskList - redundancy NORMAL configuration.

  reLocalASM

  2014-02-19 09:42:14: citing "/u01/app/11.2.0/grid/bin/asmca-silencieux diskGroupName - CRS - diskList ORCL:CRS1, ORCL:CRS3, ORCL:CRS2 - NORMAL redundancy - configureLocalASM.

  «as user «grid «»

  2014-02-19 09:42:47: ASM configuration failed, read newspapers files for more details

  2014-02-19 09:42:47: not succssfully configure and start the ASM

  2014-02-19 09:42:47: exclusive mode output

  2014-02-19 09:42:47: 1 (256) command return code of command: /u01/app/11.2.0/grid/bin/crsctl stop resource ora.crsd - init

  2014-02-19 09:42:47: stop resource ' ora.crsd - init ' failed

  2014-02-19 09:42:47: cannot stop CRSD

  2014-02-19 09:43:34: failure of the initial cluster configuration.  See /u01/app/11.2.0/grid/cfgtoollogs/crsconfig/rootcrs_rac2.log for more details

  I run root.sh on the second node only after finished on the first node.

  In terms of VMware configuration, I've marked the disk.locking = "FALSE".

  It is obvious that the diskgroup CRS would be already mounted by the first node. DiskGroup "CRS" already mounted in a different namespace locking

  There is a that lock_name_space initialization parameter related to this, but that should be resolved by the YES itself the installation of clusterware/asm.

  Any help is welcome.

  Let know what would help more information

  Concerning

  stupid stupid control...

  had set ORACLE_SID as + ASM1 on both nodes.

  Set to + ASM2 on the second node and ran new facility...

  went like a breeze...

  I heard that it can also happen if the sys-network-config is not set correctly.

  for example. both machines using the same name, say rac1... NOT TESTED...

  It is very easy to miss one or two things with the help of VMware machine cloning.

  I have a list of such things

  Bravo!

• How to create RAID 5 with 6 disks?

  I'm new to vmware. My machine is currently running ESXi 4.1 but the RAID set up gives me no more disk space I was advice to remake the structure of the disc physically to have all 6 disks in RAID 5 and then reinstall ESXi. I'm doing, but I need a direction how to create RAID 5 with 6 disks. Can someone please help with this?

  Thank you

  SD

  Assuming you are using the integrated Smart Array 6i controller it should without a problem. If you can get into the BIOS of conreollers, you can also boot from Smartstart CD and use the ACU (Array Configuration Utility). The ACU has the advantage that you can split the RAID in several logical drives. I usually create a small logical volume (~ 10GB) for the installation of the hypervisor (ESXi) and another large logical volume to the VMFS data store.

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  Hallo,
  
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  THX in advance

  ottocolori wrote:
  Hallo,

  I have a simple question for OCR and voting disk in a configuration of RAC 10 g / 11g:
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