[LU-15998] PCC: sanity-pcc/3b failed with copytool setup with multiple agents

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Severity: 3
• Assignee: Qian Yingjin
• Reporter: Qian Yingjin

Description

On both master and b_es6_0, sanity-pcc/3b failed with the following errors:

https://testing.whamcloud.com/test_sets/b0da45b1-0172-47de-b993-f334b5882134

Starting copytool 'agt2' on 'trevis-82vm3' with cmdline 'lhsmtool_posix --hsm-root=/tmp/arc1/sanity-pcc.test_3b/ --archive-format=v1 --daemon --pid-file=/var/run/lhsmtool_posix.pid --archive 2  "/mnt/lustre"'
CMD: trevis-82vm3 lhsmtool_posix --hsm-root=/tmp/arc1/sanity-pcc.test_3b/ --archive-format=v1 --daemon --pid-file=/var/run/lhsmtool_posix.pid --archive 2  "/mnt/lustre" < /dev/null > "/autotest/autotest-2/2022-07-07/lustre-reviews_custom_88325_1_101_9c7e9e43-202a-4c03-aeca-58a994a43ae9//sanity-pcc.test_3b.copytool2_log.trevis-82vm3.log" 2>&1
pdsh@trevis-82vm1: trevis-82vm3: ssh exited with exit code 254
 sanity-pcc test_3b: @@@@@@ FAIL: Failed to start copytool agt2 on 'trevis-82vm3' 
  Trace dump:
  = /usr/lib64/lustre/tests/test-framework.sh:6522:error()
  = /usr/lib64/lustre/tests/test-framework.sh:10526:copytool()
  = /usr/lib64/lustre/tests/sanity-pcc.sh:681:test_3b()
  = /usr/lib64/lustre/tests/test-framework.sh:6857:run_one()
  = /usr/lib64/lustre/tests/test-framework.sh:6904:run_one_logged()
  = /usr/lib64/lustre/tests/test-framework.sh:6745:run_test()
  = /usr/lib64/lustre/tests/sanity-pcc.sh:750:main() 

The reason is that we set the hsm-root wrong during copytool setup.