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ReadyNAS 6bay - blue flashing light - no boot
I have owned my ReadyNAS about 7 years. It has performed flawlessly. I have it configured for Raid 6 (for double disk failure protection). Recently I lost the boot sector on my Dell tower (ugh!) an...
The original delivery "window" was Friday through next Wednesay. It arrived on Saturday.
I began the process of replacing the old power supply on Saturday and finished it today (Sunday).
!. It did not have a protruding fan. Other than that, the physical dimensions seemed to be exactly the same.
2. The supplied cables were more than long enough (actually a bit longer than the original).
3. Once done, it seems to have resolved my issue (Yes!). Although I have NOT done a full diagnostic, the
unit booted, and stayed ON (with no flashing blue light).
Path forward: I really need to purchase a 2nd unit and (as a minimum) make a copy of all files on the original.
Thank you for all of your assistance and suggestions.
No, you cannot just move the drives from a NAS running OS4.2.x to OS6 and use them as-is. There is a method of using the OS6 NAS to recover data, which you may need if you can't keep the Ultra6Plus up running long enough to do a complete backup. But you will have to start the system fresh, with either the same drives (wiped, after you've backed up the data) or new ones.
Normally, a thermal overload will shut down the NAS, not lock it up, and there will be warnings in the log before that occurs that should survive the reboot. So check the log as soon as you can after the next power-up and download the log .zip package, too.
My first guess on what's up with your system is the power supply. Check the log for voltage warnings. Your NAS is at the age where that often occurs, and a too low, but not dead, voltage can cause unusual problems. If you have a "spare" standard ATX12v power supply, you can use that externally to see if that's the problem. Then, you can either just use it that way to transfer the data, or look into a replacement. It uses a standard SFX (aka micro ATX) supply (except most need a cable extension), so it's not hard or overly expensive to find a replacement. And since you are rebuilding a PC, you clearly have the skills (though it's not really hard).
It could be a drive, but those don't typically heal themselves when cooled down, where power supplies can. But testing the drives with a PC (your laptop with a USB dock will work) wouldn't hurt.
A RAM problem is an outside chance. But you can run that test from the boot menu. If it similarly locks up in the memory test, that could also be a clue (though not necessarily that it is a memory issue).
Of course, there are any number of other potential hardware issues, but I've covered most of the repairable ones. But the Pro6/Ultra6Plus (and, really, all ReadyNAS) are built pretty tough. Lots of units much older than yours are still going strong, though many do have replacement power supplies (which, all things considered, still last a long time, but aren't going to last forever).
Sandshark,
Thank you for your very complete message.
It appears that finding a suitable 12VDC power supply would be the next logical step.
I would love for the unit to run long enough to back-up all of the files, but it only seems to stay on-line for a few minutes. If I get it running long enough, I have no problem moving the data to another (yet to be purchased) unit.
When it was briefly running and connected to RAIDar, it reported that all of the disks were OK (but maybe that was just an electrical check).
I have an older (decommissioned) tower that might have a usable power supply. I will find something.
Thanks again for your response.
John
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