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cyrill1's avatar
cyrill1
Aspirant
Jul 08, 2015

RN2120 - device offline issue #25406155

Hi,

Not sure if I'm posting to an appropriate topic, but it seems that I have a problem with RN2120 - it gets to a "device offline" error right after booting up.

The drives are WD30EFRX-68EUZN0 with NASWare 2.0 - I can't check now if they are exposed to load_cycle_count problem (which I actually just became aware of).

I have tried the following:

1. Following all steps at the corresponding KB article - http://kb.netgear.com/app/answers/detail/a_id/7004
2. Re-installing the OS from internal flash to disks - that succeeded, because admin password is reset to default value

both did not help. The device is visible in RAIDiator, with green status and can even be browsed (with no data, however).

I tried to follow the steps at this topic by @mdgm - http://www.readynas.com/forum/viewtopic.php?f=50&t=75900#p422576 - reconnecting the disks to an ubuntu box and running mdadm/mount btrfs:
- mdadm --assemble --scan assembles an array at /dev/md127, but attempt to mount it causes kernel bug in btrfs/file.c error (according to dmesg).
- btrfs shows appropriate size of the filesystem, but that does not bring much info for me at the moment.

It seems that factory reset would be a workaround, but I extremely need some data from it (last backup was a week ago - this data is needed).

Any help would be highly appreciated.

Thanks and best regards, Cyrill

11 Replies

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  • mdgm-ntgr's avatar
    mdgm-ntgr
    NETGEAR Employee Retired
    Updated the system to 6.1.9 and it seems to be fine now.

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