Re: ASM disks with UNKNOWN header status, can't create disk group

  • From: "Finn Jorgensen" <finn.oracledba@xxxxxxxxx>
  • To: don@xxxxxxxxx
  • Date: Thu, 27 Dec 2007 09:22:31 -0500

Could this be just a dbca error? Have you tried creating the diskgroup by
hand in your ASM instance? I have encountered all kinds of permissions
issues and asmlib issues, but not something like this before.

Finn


On 12/26/07, Don Seiler <don@xxxxxxxxx> wrote:
>
> * Oracle 10.2.0.2 on RHEL4.
> * We have two 900gb LUNs using RAID 10.
> ** SysAdmin says no multipathing is involved.  We do use Veritas DMP
> elsewhere in the SAN, fwiw.
>
> Giving this crazy ASM fad another shot.
>
> We ran through "oracleasm configure" and "oracleasm createdisk" on
> each of the two disks, with no problems.  "oracleasm listdisks" lists
> the two created volumes (VOL01 and VOL02) just fine.  However when I
> launch dbca to create the disk group, I get an ORA-15072 error.
> Googling around led me to some forum posts about clashes with external
> redundancy (which we're using) and multipathing (which we're not).  I
> also found this query, which I ran on our ASM instance:
>
> SQL> select state,header_status,substr(name,1,12) Name,free_mb,
> substr(path,1,16) PATH from v$asm_disk;
>
> STATE    HEADER_STATU NAME            FREE_MB PATH
> -------- ------------ ------------ ---------- ----------------
> NORMAL   UNKNOWN                            0 ORCL:VOL02
> NORMAL   UNKNOWN                            0 ORCL:VOL01
>
> I'm open to any and all suggestions (regarding ASM, anyway).
>
> --
> Don Seiler
> http://seilerwerks.wordpress.com
> ultimate: http://www.mufc.us
> --
> //www.freelists.org/webpage/oracle-l
>
>
>

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