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Forum Discussion
Downgrading ReadyNAS firmware from 6.10.x - Redux
I know this subject has been covered in the past, but almost all the articles are from many years ago. And none are helpful for my issue. I've been using my reliable ReadyNAS 102 for many years now. ...
Because ARM based ReadyNAS use UBOOT to load the OS, they are far more fragile WRT OS downgrades than an Intel based system. As for the limits, they are officially that you can only go backwards beyond the first decimal place, which is as far as you've already gone. (6.10.x to 6.10.1 is OK, but not to 6.9.x).
I have never downgraded an ARM based system beyond the Netgear recommendation. I have done so on an Intel system, but always as a part of a factory default. USB recovery doesn't check the version, so that's one way to accomplish it. Another is to edit the file and give it a bogus version number that looks like an upgrade. But you are at your own risk as to potentially bricking the NAS. The reason for this being a part of a factory default is that it insures that there are no leftover configuration files from the previous version that are not backwards compatible, since most are not changed directly by an OS version change.
Sandshark.
Thank you for the very useful info. It seems unwise to try to downgrade this any further.
Is there anything you can think of that I might do to figure out why my NAS is so slow? I've ssh'd into the NAS and used top to monitor the CPU usage and it's very high when using Windows Explorer to copy large files, about 90%.
I'm at a loss to figure this out.
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