Hi folks,
A heads up for folks running GPFS on RHEL7.6 (and I guess derivatives)
from a colleague on the Australian HPC Slack:
https://www-01.ibm.com/support/docview.wss?uid=ibm10887213&myns=s033&mynp=OCSTXKQY&mync=E&cm_sp=s033-_-OCSTXKQY-_-E
"IBM has identified an issue in IBM Spectrum Scale (GPFS) version that
support RHEL7.6 (4.2.3.13 or later and 5.0.2.2 or later), in which a
RHEL7.6 node running kernel versions 3.10.0-957.19.1 or higher,
including 3.10.0-957.21.2, may encounter a kernel crash while running an
IO operations."
Basically it looks like they've fallen foul of this hardening fix:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=9548906b
All the best,
Chris
--
Chris Samuel : http://www.csamuel.org/ : Berkeley, CA, USA
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