DSM 5.1 on Synology DS409slim

Since I turned my DS409slim into a DS411j, I have access to DSM updates. So tonight, I upgraded from DSM 5.0-4528 Update 1 to 5.1-5004 using the update wizard. So far, everything went OK. On first reboot, I was recommended to keep my DSM up-to-date using automatic upgrade. As I don’t want my NAS to reboot while I’m working on it, I choose to “Download DSM updates but let me choose whether to install them”.

That’s all about it :)

Author: Joel Carnat

@work Technical Architect and SysAdmin ; @home OpenBSD and FOSS, Karate, Kobudō, Jōdō, Bodyweight workout, Photography & Music

3 thoughts on “DSM 5.1 on Synology DS409slim”

  1. hi,
    Thank you verry much for your report, updating your ds to dsm5.x
    I’m thinking of trying it, too. But I have two questions:
    Is there any loss of performance with the new dsm?
    Is there a way to turn the dsm back to thedsm 4.2?

    Thanks

    Matthias

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