HiReadyNas NV+ RND4000 wont boot, LCD just displays "Kernel Panic"I've performed the memory test twice as recommended in forum threads I've stumbled across.(hold down power button on power-up until 'Memory test' is displayed, then release)Every time I reboot I can't seem to get by 'Kernel Panic'Any suggestions?Thanks :)

Do you have a backup? Also, was there anything you might have done that resulted in this behavior?If you have a scratch disk (whether approved or not), you can power down the NAS and remove the drives (recording the slot order). Then insert the scratch disk and power up. If the hardware is functional, it will do a factory install. If all that works, then shut it down and reinstall the original disks in the correct slots.You could also try powering up the NAS w/o disk 1 (but with all the rest), and see if that works. You can repeat that experiment with the other drives removed (one at a time). Be sure you have the NAS powered down when you insert/remove drives in this particular test.If that fails, you could try an OS reinstall from the front panel with all disks in place. mdgm (or others) might have some other ideas.

if you can test the disks with SeaTools that could also be good.

StephenB wrote:Do you have a backup? Also, was there anything you might have done that resulted in this behavior?If you have a scratch disk (whether approved or not), you can power down the NAS and remove the drives (recording the slot order). Then insert the scratch disk and power up. If the hardware is functional, it will do a factory install. If all that works, then shut it down and reinstall the original disks in the correct slots.You could also try powering up the NAS w/o disk 1 (but with all the rest), and see if that works. You can repeat that experiment with the other drives removed (one at a time). Be sure you have the NAS powered down when you insert/remove drives in this particular test.If that fails, you could try an OS reinstall from the front panel with all disks in place. mdgm (or others) might have some other ideas.Hi StephenThanks for reply , I have a back-up of the NAS on my secod readynas but its a bit out of date & for some reason some files would never copy across, so its there with most of my files, but not ideal. The NV+ stuck in 'Checking Quota' for about a day I pulled the power & rebooted to find the kernel panic message.I've performed two memory check which are O.K.Apologies but not too sure what you mean by scratch disk, if its just a spare disk then I dont have one I'm afraid.I'll try pulling the disks tonight & let you know how I get on.mdgm wrote:if you can test the disks with SeaTools that could also be good.Thanks mdgm, I've downloaded & ran SeaTools, but it doesn't seem to detect the NAS/ drives.

clingon wrote:Apologies but not too sure what you mean by scratch disk, if its just a spare disk then I dont have one I'm afraid.yes, a spare.clingon wrote:I've downloaded & ran SeaTools, but it doesn't seem to detect the NAS/ drives.Of course not. You need to pull the drives and connect them to the PC. USB adapters/enclosures will work - or connect it as an internal drive. Windows won't recognize the partitions, but seatools should see the drive and let you test it.

OK I removed the drives one by one, powering up after each removal & the NAS booted up when the 3rd drive was removed. :) I can now see the NAS in RAIDar however the volume status is black (no green LED icon next to it)The three drives all have the green LED icon next to them.I can login to the NAS via Frontview, however volume is at "0%"I'm guessing this may be due to the fact one drive has been removed from the array or I've suffered two HDD failures.I dont really have any means of mounting a HDD externally to test with SeaTools.Any ideas where I can go from here, or a way to see if the data has indeed been lost for good?Thanks

ReadyNas NV+ "Kernel Panic" | NETGEAR Communities

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clingon

Aspirant

Aug 15, 2014

One quick point - one option you have is to buy a single NAS and back it up to the two NV+. That assumes that you won't have more than 16 TB of space on the new NAS, and use jbod on the two NV+. So you might not need 2 new units.

Thanks sounds like a great idea if it can be done Stephen!

So for talking sake I could have a new 16TB NAS & have it backed up to the 2no 8TB NV+'s :D

How would you be able to get the NV's to recognise the 16TB back-up when they are two separate units, is that possible/ fairly easily?

Thanks :)

StephenB
Guru - Experienced User
Aug 15, 2014
To get 8 TB in each NV+ you need to use jbod (creating 4 volumes on each NAS). Of course if you have a 12 TB volume on the main NAS, you can use xraid on both NV+.

You backup some shares to each volume with frontview backup jobs. So if you have jbod, you do need to create lots of shares.
clingon
Aspirant
Aug 17, 2014
Great thanks Stephen will save up for new hdds & give this a try :-) Thanks very much for your invaluable help!

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ReadyNas NV+ "Kernel Panic"

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