Tckh Posted June 28, 2018 Share #1 Posted June 28, 2018 I also made the mistake to upgrade to DSM 6.2 without coming back and reading. I always have two USB so usually, it updates and works if not I will boot with the other USB and still recover without issues. Last night, I upgraded to DSM 6.2 and it entered a reboot loop without getting an IP. I have tried to reinstall suing Tutorial: Install/Migrate DSM 5.2 to 6.1.x (Jun's loader) and I can hook up a drive and be able to use 6.1.7, log in , etc but when I get a USB ready and I boot connecting my drives it goes into a constant reboot loop. I have 12.6 TB of data. Is there a way to recover from this one??? This time it seems it writes to your drives and bricks the system and USB. CAn someone tell me if there is a way I can recover my data? Thanks Tck Quote Link to comment Share on other sites More sharing options...
yetithebouncer Posted June 29, 2018 Share #2 Posted June 29, 2018 I have the same problem, accidentally updated to 6.2 tried a fresh resinstall to recover my discs, but there is no ip adress after the "reboot" Any suggestions how to recover/roll back from 6.2? Quote Link to comment Share on other sites More sharing options...
yetithebouncer Posted July 1, 2018 Share #3 Posted July 1, 2018 (edited) Hi Guys, since there currently is no solution in rolling back the 6.2 to 6.1.17 or another older versie. i have decided to backup my data and do a clean install on my NAS using the basic new/clean install method (I am lucky to have backedup all my DSM setting in June recently) First boot your machine via ubuntu (follow these instructions http://www.instructables.com/id/RECOVERING-DATA-FROM-a-SYNOLOGY-DISKSTATION-USING-/ ) then open a superuser terminal (I could not find how to do that so i opened a root terminal) after mounting my data array (6 discs in total 15TB in raid 5) i used btrfs on my array but this should also work on ext4. A have 6.1TB of data on the array. I had a spare 3TB en 2x 1TB discs. Which would not be enough. But the discs in the data array of my NAS are a mixed bunch (old and new). So i bought me one new 3TB disc. Which I now first use for backup, after installing the new dsm and restoring the data i will replace the oldest disc in my array with this new one. I use a USB 3.0 - Sata disc station (sharkoon sata quickport xt) for connecting and mounting the backup discs. Good luck on restoring yours guys. Edited July 1, 2018 by yetithebouncer Quote Link to comment Share on other sites More sharing options...
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