Block devices not supported for ASM

(Doc ID 2310512.1)

Last updated on SEPTEMBER 26, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 and later
IBM AIX on POWER Systems (64-bit)
IBM AIX on POWER Systems (32-bit)

Symptoms

ASM disks are changed from Character to Block devices using  "vormetric" encryption and after that not able see ASM disks to add back

Changes

Changed  Character to Block devices

crw-rw---- 1 oragrid asmadmin 18, 8 Sep 13 02:17 /dev/asmdevices/asm001

crw-rw---- 1 oragrid asmadmin 18, 12 Sep 13 02:17 /dev/asmdevices/asm003
crw-rw---- 1 oragrid asmadmin 18, 14 Sep 13 02:17 /dev/asmdevices/asm004
crw-rw---- 1 oragrid asmadmin 18, 23 Sep 13 02:17 /dev/asmdevices/asm005

to 

brw-rw---- 1 oragrid asmadmin 18, 8 Sep 13 02:18 /dev/asmdevices/asmve001>>>>>>
brw-rw---- 1 oragrid asmadmin 18, 12 Sep 13 02:18 /dev/asmdevices/asmve003>>>>>
brw-rw---- 1 oragrid asmadmin 18, 14 Sep 13 02:18 /dev/asmdevices/asmve004>>>>>
brw-rw---- 1 oragrid asmadmin 18, 23 Sep 13 02:18 /dev/asmdevices/asmve005>>>>>

Cause

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