ASM Diskgroup Creation Failed with "IBM AIX RISC system/6000: 6:no such device or address" (Doc ID 1263405.1)

Last updated on NOVEMBER 09, 2010

Applies to:

Oracle Server - Enterprise Edition - Version: 10.2.0.1 and later   [Release: 10.2 and later ]
IBM AIX on POWER Systems (64-bit)

Symptoms

When attempting to create an ASM(Automated Storage Management) Diskgroup,
the following error occurs.
IBM AIX RISC system/6000: 6:no such device or address
Additional information:-1
Additional information:655360

In the ASM Diskgroup Creation page of DBCA, below message displayed after selecting the disk, but actually the ASM disk size is 2TB:
Size of New Disks Selected: 0 MB

STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1. Create ASM diskgroup:
SQL>create diskgroup DATA External REDUNDANCY DISK '/dev/rhdisk2'
2. Error reported.

Cause

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