We have (pre)shutdown and pre(startup) ... Trap and record both... If you see a startup without a matching shutdown you know the shutdown never happened, because GPFS crashed. From: "Oesterlin, Robert" <Robert.Oesterlin at nuance.com> To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org> Date: 01/30/2019 05:52 PM Subject: [gpfsug-discuss] Node ‘crash and restart’ event using GPFS callback? Sent by: gpfsug-discuss-bounces at spectrumscale.org Anyone crafted a good way to detect a node ‘crash and restart’ event using GPFS callbacks? I’m thinking “preShutdown” but I’m not sure if that’s the best. What I’m really looking for is did the node shutdown (abort) and create a dump in /tmp/mmfs Bob Oesterlin Sr Principal Storage Engineer, Nuance _______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org https://urldefense.proofpoint.com/v2/url?u=http-3A__gpfsug.org_mailman_listinfo_gpfsug-2Ddiscuss&d=DwICAg&c=jf_iaSHvJObTbx-siA1ZOg&r=cvpnBBH0j41aQy0RPiG2xRL_M8mTc1izuQD3_PmtjZ8&m=oBQHDWo5PVKthJjmbVrQyqSrkuFZEcMQb_tXtvcKepE&s=HfF_wArTvc-i4wLfATXbwrImRT-w0mKG8mhctBJFLCI&e= -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://gpfsug.org/pipermail/gpfsug-discuss_gpfsug.org/attachments/20190130/7497d385/attachment.html>