ekzozucekdtnko Posted May 24, 2019 Share #1 Posted May 24, 2019 Hello Everyone, This is my first post, I just found this community and I'm excited to know I may be able to upgrade my Synology NAS to a newer version. I have a Synology RS409 running DSM 4.2-3259. This unit no longer has any updates from Synology and I was hoping to give it a refresh to a newer version of DSM. I searched around the forums and I couldn't find any instructions on upgrading DSM on official hardware. The main reason I wanted to upgrade is to be able to create a volume bigger than 16TB, I have 4 x 8TB archive drives and I would like to create a Raid5 array which would be approximately a 24TB volume RAW. I'm hoping the newer DSM will allow me to upgrade but if this wont work then I can live with DSM 4.2. Has anyone accomplished this and how were you able to do it. I suspect just downloading a newer PAT file and manually upgrading using a version that is built for another device will not work. I don't have any data to backup and I can reset the unit as needed. thanks. Quote Link to comment Share on other sites More sharing options...
jensmander Posted May 26, 2019 Share #2 Posted May 26, 2019 You would have to bypass the internal flash or re-write it with one of the loaders. I don’t think that this will work out of the box without heavy modifications and reverse engineering... Quote Link to comment Share on other sites More sharing options...
ekzozucekdtnko Posted May 26, 2019 Author Share #3 Posted May 26, 2019 Thank you for the reply. Too bad I thought I was going to be able to get a new DSM setup. Quote Link to comment Share on other sites More sharing options...
flyride Posted May 26, 2019 Share #4 Posted May 26, 2019 RS409 has an ARM processor, XPEnology only is able to enable the use of Intel-based code. The 16TB limitation is associated with the 32-bit address space of your processor. You've gotten your money's worth out of that hardware. Build a new system using XPEnology and enjoy vastly better performance than what you get out of that ancient Marvell CPU. Quote Link to comment Share on other sites More sharing options...
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