[Ocfs2-users] Urgent :: 11i on OCFS2.. I mean APPL_TOP, COMMON_TOP etc..

[Alexei_Roudnev]

It's really a good question. We should know _which exactly combinations are used internally_. (OS, File System, 
NAS/SAN).

In reality therse particular combinations are most stable and preffered ones - no matter what is _officially certified_.

  ----- Original Message ----- 
  From: Luis Freitas
  To: PRABHAKAR.TAMMINA at ORACLE.COM ; ocfs2-users at oss.oracle.com
  Sent: Wednesday, August 22, 2007 6:46 PM
  Subject: Re: [Ocfs2-users] Urgent :: 11i on OCFS2.. I mean APPL_TOP,COMMON_TOP etc..


  Prabhakar,

       This post is only my personal opinion. I do not work for Oracle nor have any close contact with the support and 
development groups. But I never heard of anyone using this combination.

       This is kind of a gray area, since Oracle usually provides support for OCFS2 in conjunction with RAC database. 
The APPS people is a different group internally at Oracle, so even if this is officially supported you could get into 
situations where the support analysts start to redirect the TAR between these groups, or could argue that since the 
issues are not related to Oracle Database or Oracle database binaries they would not fix it.

      I would not do it unless with a very large customer that could escalate any issues to get a fast resolution with 
support. It probably is better to get a NAS storage and map it using NFS.

     That said since it is supported for the database binaries, there should not be immediate problems with other files. 
The FAQ about shared APPL_TOP on metalink says that any disk sharing technology can be used.

      One thing that comes to my attention is that Oracle Forms uses memory mapped files extensively. I dont know how 
completelly this is implemented on OCFS2 and if it works well.  Anyone can comment on this? There are some posts on this 
list about problems with shared mmap.

  Regards,
  Luis


  PRABHAKAR.TAMMINA at ORACLE.COM wrote:
    All,

    Is Shared APPL_TOP certified with 11i on OCFS2? Please send me the information as soon as possible..

    We have two RAC nodes on ASM file system and one middle tier right now. Now want to setup Shared APPL_TOP so need 
your help whether this is a certied with OCFS2 or not.

    OS is SUSE 9 SP3.

    Regards,
    Prabhakar Tammina.
    (614)598-3487(cell).


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