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8/6/2019: Lulu: Force fsck. No firmware update from Michael. No errors on hard drives. No yum security updates. hda005 didn't passed memory test. bw001 and headnode power button affect each other. if shutdown (even by command line) / power on bw001, it will shutdown /power on head node. Michael changed power strip but does not help.
11/5/2019: Lulu: No firmware update from Michael. No errors on hard drives. No yum security updates. hda005 didn't passed memory test. bw001 and headnode power issue still existed.