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ReadyNAS RN4220 wont boot up after shutdown from WebUI
Hello to anybody who can help, I got a ReadyNAS RN4220 out of eWaste from some company, and it worked perfectly! I have 100tb of NAS HDD storage in it and it has run fine for over a year now. Last week i decided to shut down my home rack gracefully just to give it a breather in the Australia summer heat. For the RN4220 i shut it down by using the Web Interface, telling it to turn off. It did so fine. A few days later, i tried turning it back on. It spins the fans to the highest settings and does not turn on. I have tried leaving it for a few hours overnight (approx. 8) to no avail. Does not even show up on RAIDar. What happens is it just sits there with the power LED blinking green and the network lights blinking green with fans on highest. If i force turn it off by holding down the power button the Red Health LED blinks once then goes away and the power LED goes back to amber as per normal. Again nothing has changed with the setup aside from me just shutting it down from the Web UI and turning it back on. I have done so in the past no issues. No clue whats changed. Here are some of the debugging steps i have tried: I cannot do an OS reinstall or Factory Reset as holding down the reset button for a minute on boot does not change the LEDs at all (as shown in the Hardware user manual, -> https://www.downloads.netgear.com/files/GDC/RN2120/ReadyNAS_OS6_Rackmount_HWM_EN.pdf the power LED, UI LED and Health LED should all be blinking, only the power LED blinks, assume it just isnt taking the reset command for some reason) Taking out all the disks and network cables and trying to boot up, no change Taking out all but 1 disk and booting up, no change I have tried removing both power cables (Its powered by wall power, not a UPS) and leaving it off overnight fully power cycling. no change. I have tried using the serial port on the back with a USB RS232 cable, a null modem cable (as its female port and i needed male-male) and Putty on a windows machine. Nothings happening on the console. Tried a few different baud rates to no avail. I have tried taking the top off, reseating the RAM and a few cables (Not all as im unsure what most of them do and they are quite tight in there) no change. I have tried taking out the CMOS battery from the Mobo and powering off the machine (unplugging) for a few hours. No change. I have tried running with just 1 of the PDUs on the back, it runs a red LED on the health indicator but otherwise no change. Please let me know if any additional info or photos can be useful for fixing this. I know its an older unit (if there are any newer replacements i could just take my drives and plug into with atleast 12 bays let me know, pref rack mount, and i can also look into that). I heard you can just swap drives between READYNAS products and they should work fine yeah? In terms of firmware on the device i think i installed the latest some time last year when i got it. But i cant access it to get the info anymore. I just am so confused why a simple reboot (done through the web UI!!!) would cause it to never boot up again.... Thanks for your time.