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Linux OS: ASM Disks not seen when UDEV rules are Configured (Doc ID 2600042.1)

Last updated on APRIL 06, 2021

Applies to:

Linux OS - Version Oracle Linux 7.0 to Oracle Linux 7.6 [Release OL7 to OL7U6]
Linux x86-64

Symptoms



ACTUAL BEHAVIOR
---------------

While attempting to setup udev rules for ASM disks, the following  "link" errors are seen.  The same setup is working on other systems.

Command used to test setup:

udevadm control --reload-rules && udevadm trigger --action=add

"symlink '../../sdc' '/dev/oracleasm/disks/DATA.tmp-b8:32' failed: Operation not permitted"

 

UDEV rules file :  /etc/udev/rules.d/99-oracle-asmdevices.rules

KERNEL=="sd*", SUBSYSTEM=="block", ENV{ID_SERIAL}=="360001234567890000111222333444554", SYMLINK+="oracleasm/DATA", OWNER="oracle", GROUP="dba", MODE="0660"
KERNEL=="sd*", SUBSYSTEM=="block", ENV{ID_SERIAL}=="360001234567890000111222333444555", SYMLINK+="oracleasm/RECO", OWNER="oracle", GROUP="dba", MODE="0660"
KERNEL=="sd*", SUBSYSTEM=="block", ENV{ID_SERIAL}=="360001234567890000111222333444556", SYMLINK+="oracleasm/REDO1", OWNER="oracle", GROUP="dba", MODE="0660"
KERNEL=="sd*", SUBSYSTEM=="block", ENV{ID_SERIAL}=="360001234567890000111222333444557", SYMLINK+="oracleasm/REDO2", OWNER="oracle", GROUP="dba", MODE="0660"
KERNEL=="sd*", SUBSYSTEM=="block", ENV{ID_SERIAL}=="360001234567890000111222333444558", SYMLINK+="oracleasm/REDO3", OWNER="oracle", GROUP="dba", MODE="0660"



Changes

 No changes were made to the system other than the addition of the "rules" in the /etc/udev/rules.d/99-oracle-asmdevices.rules

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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