Question & Answer
Question
The system application report the below logs:
[12] DAPL startup: RLIMIT_MEMLOCK too small
[12] MPI startup(): dapl fabric is not available and fallback fabric is not enabled
How to resolve this issue?
Cause
The cause is limited memlock resource for system.
Answer
Below actions can be used to resolve this issue:
1. Update file /etc/security/limits.conf as below.
* hard memlock unlimited
* soft memlock unlimited
2. Restart the LSF service by using below command to enable the configuration.
#service lsf restart
3. To verify the result, run below command and exam the output.
#bsub -I -m <host> ulimit -a
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSZUCA","label":"IBM Spectrum Cluster Foundation"},"Component":"","Platform":[{"code":"PF016","label":"Linux"}],"Version":"All Versions","Edition":"4.2.1","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
Was this topic helpful?
Document Information
Modified date:
03 December 2018
UID
ibm10734771