January 22, 201610 yr As soon as I'm shutting down my unRAID Test & Backup Server (Supermicro X9SCL-F, XEON E3-1240V2), it is restarting. It is making no difference if I shutdown via Powerdown script or via WebGui. As soon as I'm shutting down a second time is is shutting off. I had a look into to the BIOS but wasn't able to see anything odd. I discovered this a couple of weeks ago. Any idea where this is coming from? Does anybody have seen a similar behavior? Thanks a lot.
January 22, 201610 yr As soon as I'm shutting down my unRAID Test & Backup Server (Supermicro X9SCL-F, XEON E3-1240V2), it is restarting. It is making no difference if I shutdown via Powerdown script or via WebGui. As soon as I'm shutting down a second time is is shutting off. I had a look into to the BIOS but wasn't able to see anything odd. I discovered this a couple of weeks ago. Any idea where this is coming from? Does anybody have seen a similar behavior? Thanks a lot. I've seen this caused by the PSU or the motherboard.
January 23, 201610 yr Mine did this as well. It was a BIOS setting that was something about detecting USB and booting up. I would check BIOS settings first.
January 23, 201610 yr My old server did this too, never did track it down but now that I think of it maybe check the Power Loss settings in the BIOS and set to "remain off" or something to that affect.
January 23, 201610 yr Author Thanks for the confirmation. The BIOS "Restore on AC Power Loss [stay Off]" settings was indeed different two days ago and I had no clue why this was changed (I haven't visited these settings for months). I changed it back yesterday but the issue persist.
January 23, 201610 yr Do you mean that something is broken? Not necessarily "broken" just a little out of spec. If you can't resolve it with bios settings or a bios upgrade, then try a different PSU.
January 25, 201610 yr Author There is nothing odd in the log. Here is the powerdown command, that the main server is sending followed by a clean shutdown: http://pastebin.com/HWdXuEde Two minutes later the server is restarting: http://pastebin.com/TeHLPW5Q Doesn't also not have anything to do with the POWERDOWN Script or my remote rsync process.
January 25, 201610 yr There is nothing odd in the log. Here is the powerdown command, that the main server is sending followed by a clean shutdown: http://pastebin.com/HWdXuEde Two minutes later the server is restarting: http://pastebin.com/TeHLPW5Q Doesn't also not have anything to do with the POWERDOWN Script or my remote rsync process. Try playing around with "Turn off UPS after shutdown:" setting on the UPS settings page. I believe you have a server MB and I would bet that it can be set to boot the OS whenever the PSU has AC power. (I know if I was in charge of a large bank of servers that is what I would want to have happen...)
January 25, 201610 yr One of my older servers had the same problem. I just wrote it down to a terrible implementation of ACPI. Since whenever I was powering it down, I'd wind up going back to the server anyways, it was no issue to merely push the power button when it was at the BIOS screen to shut it off.
January 25, 201610 yr My X10SLM-F-B does this. Having tried numerous things to fix it including everything in this thread apart from change the PSU I'm suspecting either a faulty motherboard or PSU. Since the only time I'm switching it off is to take it apart I decided to live with it and just hit the button.
January 25, 201610 yr Author Thanks for the feedback guy's. I will play around with the ACPI settings. UPS Settings doesn't tell me anything and I do not have an UPS. Again, this has been set: "Restore on AC Power Loss [stay Off]" The weird thing is: after a second command, e.g. ssh [email protected] powerdown the system is shutting down w/o restarting. It always need these two powerdown cycles. It never restarted a 3rd time! Btw. it doesn't make a difference how I am shutting down this server (remote, webgui, local powerdown script).
January 25, 201610 yr Thanks for the feedback guy's. I will play around with the ACPI settings. UPS Settings doesn't tell me anything and I do not have an UPS. Again, this has been set: "Restore on AC Power Loss [stay Off]" The weird thing is: after a second command, e.g. ssh [email protected] powerdown the system is shutting down w/o restarting. It always need these two powerdown cycles. It never restarted a 3rd time! Btw. it doesn't make a difference how I am shutting down this server (remote, webgui, local powerdown script). My old Gigabyte P35-DS3R was EXACTLY like that (even down to the 2nd attempt working).
January 29, 201610 yr Author Maybe there will be a BIOS update for that board, so far I'm helping myself with a workaround: ssh [email protected] powerdown sleep 180 ssh [email protected] powerdown echo "DONE" exit 0 ;; The server is now shutting down nicely after the backup. Thanks to all of you who gave their point of view and experience.
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