LLT fails to load on RHEL 7 due to infiniband (ib) modules depedency
Article ID: 100044218
Updated On:
Description
Error Message
LLT: loading module... LLT:Error loading LLT dependency rdma_cm. llt[971]: Please make sure module rdma_cm is available on the system. LLT:Warning: llt rdma module load failed, trying to load llt non-rdma module llt[971]: Usage: modinst source_dir dest_subdir modname ... systemd[1]: llt.service: Main process exited, code=exited, status=1/FAILURE systemd[1]: Failed to start VERITAS Low Latency Transport (LLT).Workaround
1) Apply Private Hot Fix - llt-rhel7_x86_64-HotFix-7.3.1.301
2) Add parameter LLT_RDMA_MOD=0 in /etc/sysconfig/llt.
Cause
LLT loads RDMA/IB Modules by default though the customers weren't using Infiniband interface.
Resolution
It is identified as a known issue and a fix is publicly available in Infoscale 7.4.0.1100
Alternatively, a private fix is provided in Infoscale 7.3.1.301 along with the Workaround
Issue/Introduction
LLT loads RDMA/IB modules by default on Infoscale 7.3.1 for RHEL 7 and the below messages are seen in OS System Logs.
Additional Information
ETrack: 3948508
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