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Forum Discussion
RND4000 invalid checksum error when update firmware now cannot backup
ReadyNAS NV+ V1 (RND4000) with 4 x 1.5 TB HDD
trying to update firmware from 4.1.10 to 4.1.16
Downloaded zip file from netgear website, extracted to computer, installed locally, validates image, ...
phish wrote:
Is perhaps the memory on the OS flashdrive full?
I think you are close, but not quite right. The system installs the OS onto the drives, and the OS partition on your model is only 2 GB in size. That can become full.
Paid support (my.netgear.com) is probably your best option (if you purchased the NAS new). You should ask for per-incident support when you contact them.
If you are experienced with the linux command line and have ssh enabled on your NAS, then it is possible to diagnose and solve this on your own. But I don't recommend trying this if you don't have some understanding of linux already.
StephenB (Guru) :
I have Putty on my computer and can use SSH to address issues. Can you walk through the specific steps to address and fix the issues or provide links to other dicussions that outline how to fix the issues?
Much appreciated
The first step is to ssh into the NAS, and look at how full the OS partition is.
# cd //
# df . -h
# df . -i
The assumes that you've enabled ssh in the NAS (installed the EnableRootSSH add on for your plaform). If you haven't already done that, the install might fail, since it does require some space on the OS partition. As a reminder, you log in as root, using the NAS admin password.
Normally the OS partition is about 20% full.
StephenB,
Indeed, as suspected the OS volume is completely full. The issue appears to be the 1.74 GB ReadyNAS_Remote.log file generated on Sep 18. Below is the OS file space use and the large log file:
Large log fileOS spaceIs there anything important in the log file? Is there a way I can copy it to an external USB thumb drive or the main partition?
SSH commands would be greatly appreciated as I am an SSH novice. Thanks.
Can I simply delete it and re-boot the nas?
Once the NAS is re-booted, should I then be able to update the firmware without an issue? Let me know if there is anything else that needs to be done first.
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