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Lost access to ReadyNAS 214
Hi everyone,
I have a grave problem with my ReadyNAS 214. I'm working with this device several years now. I have the latest firmware on it (6.10.3) and everything seemed to be working fine up until a week ago.
The device suddenly disappeared from my internal network. A ping to the device is unsuccessful. However, the device shows a valid DHCP obtained IP. Since years, it's always the same address. I shut down the device, rebooted the DHCP server (pi-hole on a Raspsberry Pi 3B), watched the ethernet with Wireshark on my laptop and switched the device back on. It goes through the normal boot process and obtains a valid IP address. It shows on the devices display and I can see the negotiation in the wireshark log.
After that, I can't ping the device, Can't access the web config. I used Raidar 6.5.0. It will detect the device, shows the assigned IP, the serial number, the model, the name, but when I try to open the Admin page, or try to download the logs, it tells me I can't access the device from my computer.
I tried swapping the network port (gives me a different IP address as expected) and even tried 'OS re-install' that preserves everything, but resets the admin password to the default.
No luck. Can't access the device.
What am I missing here? Has anybody seen this behaviour before? What else could I try to regain access?
Any help/ideas are greatly appreciated.
Wolf54-2 wrote:
Disk 1, the oldest and smallest (Hitachi, 2TB)
Error 1150 [1] occurred at disk power-on lifetime: 17934 hours (747 days + 6 hours)
When the command that caused the error occurred, the device was active or idle.After command completion occurred, registers were:
ER -- ST COUNT LBA_48 LH LM LL DV DC
-- -- -- == -- == == == -- -- -- -- --
84 -- 51 00 71 00 00 00 a0 7f cf 00 00 Error: ICRC, ABRT 113 sectors at LBA = 0x00a07fcf = 10518479That's the only disk that reports any sectors and errors.
Could that one disk inhibit the network access to the device?
A followup here - you should check the current power-on hours, and see how long ago this error occured.
Are you seeing other issues with this drive (reallocated sectors, etc)?
If the error happened before the problem began, then it's probably not the cause. I'd also expect to see more than one occurance.
But generally - disk problems can create problems with access, because retries and error processing can load down the system.
Maybe try journalctl -r
If you want to search it, you could use something like
# journalctl -r --no-pager | grep -i error
-k might also be useful (only showing kernel entries).
Wolf54-2 wrote:
I have a spare, new 8TB disk on the shelf. Would it be wise to swap out that small, old Hitachi disk.
Replacing one disk should trigger a data recovery, right? Would that also restore network access?I wouldn't do that yet. If the problem isn't the disk, it won't help (and could complicate things).
One option is to go with brute-force - doing a factory reset, reconfiguring the NAS, and restoring data from backup. While that might end up the only way to resolve it, it'd be best to figure out what is going on.
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You might check the warranty status (which is three years).
Do you have ssh enabled? If so, does that still work?
A failing disk is a possibility. If you can connect the disks to a Windows PC (either with SATA or a USB adapter/dock), then you might want to power down the NAS and test them with vendor tools - seatools for seagate, lifeguard for westen digital. Use the long test. Label the disks by slot as you remove them.
Hi Stephen,
yes, I have ssh enabled. I am using the device as a backup for many other small computers. I use rsync for doing this.
Any attempt to connect to the device using Putty via ssh times out.
When I use Raidar, it shows me the 3 installed disks, all healty.
As a last resort, I will get the disks out and try to recover the data (Terabytes, of course), but I was hoping that somebody knows of some system tools that Netgear uses to get into the device, or perform a factory reset without destroying the data. I may even consider to engage Netgear and pay for their service to save the data. Just wanted to exhaust all options to do this on my own first.
You could potentially boot up in tech support mode. You could then chroot, and at least check disk health with smartctl, and also look at the fullness of the OS partition.
First you'd boot up the NAS in tech support mode, and then telnet in. Log in as root, and use the password infr8ntdebug
After that
# rnutil chroot
which will start raid and chroot.
The normal steps to mount the data volume are
# btrfs device scan # btrfs fi show # mount /dev/md127 /data
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