NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.
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.
Your NAS is slow because the 100 series are the least capable OS6 based ReadyNAS. Both the processor and RAM are limitations. I suppose it's possible that the upgrade to OS6.10.x used enough additional memory that everything slowed down. Do you have any apps running? Disabling them might help.
Sandshark wrote:..... I suppose it's possible that the upgrade to OS6.10.x used enough additional memory that everything slowed down. Do you have any apps running? Disabling them might help.Thanks for replying. That's what I'm considering about the upgrade. The system does seem CPU limited. And no, I don't have any apps running. The confounding thing is I'm chatting with someone in another thread that has the exact same CPU and Upgrade and he's getting 70MB/s.
Sandshark wrote:
Your NAS is slow because the 100 series are the least capable OS6 based ReadyNAS.
Sure, but DoctorBrown's NAS is much slower than my RN102, so there is something going on.
I am wondering if enabling flow control in the pc (and the switches if they have that option) would help. It's possible that packet overruns in the NAS might be part of the puzzle.
Also, I have jumbo frames disabled on my network, so that might also be part of the puzzle.
I have more data. I ssh'd into the system and ran htop to monitor the CPU and Memory usage. Here's the data
All these test were done using a 1 GB file. MBps CPU usage Disk to Disk w/cp: 64.9 >90% Kernel From my Windows 10 System using IPv4, jumbo frames off: iPerf3: 115.0 >95% Kernel Win Explorer: 14.7 ~75% Normal, ~20% kernel Win cmd copy: 14.7 ~75% Normal, ~20% kernel Win cmd SCP 4.9 ~60% Normal, ~45% kernel Memory usage in all test was <30%What seems to be happening is the CPU is maxed out. Clearly the system can handle the 1 GB network or the disk throughput, but adding them together pushes it over the edge. Are there other hardware parms I can check?
Why StephenB is able to get much higher throughput on the same CPU is a mystery to me. Would you be able to measure any of this on your system. I'm sure it would be enlightening.
NETGEAR Academy
Boost your skills with the Netgear Academy - Get trained, certified and stay ahead with the latest Netgear technology!
Join Us!
