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ASM 11gR2 Incorrectly Recognize Disks (e.g. 1.25 TB ) As 4,095.25 TB Disk On AIX. (Doc ID 1095202.1)

Last updated on FEBRUARY 18, 2019

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.


1) ASM / ASMCA on AIX is detecting 1.25 TB (1,317,888 MB) as 4,095.25 TB (4,294,188,032 MB) disk:

Group Grp# Disk_Name Path OS_MB Total_MB
DATA 0 DATA_12 /dev/rhdisk12 4294188032 1317696
DATA 1 DATA_13 /dev/rhdisk13 4294188032 1317696
DATA 2 DATA_75 /dev/rhdisk75 4294156320 1585600

2) bootinfo OS AIX tool provides the correct size:

Disk kfod bootinfo -s
---------------- ---------------- --------------
/dev/rhdisk12 4294188032 1317888
/dev/rhdisk13 4294188032 1317888
/dev/rhdisk75 4294456320 1586176


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