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curso's avatar
curso
Tutor
Dec 20, 2024
Solved

RN314 don't boot anymore after trying to fix "no space left on device" error.

Hi,   Here's the full story that led me to a ReadyNAS RN314 that no longer starts with a "flush_space+5a" message on the LCD. Actually, after seeing that I lost (I mean visible on the network)  th...
Booting
ReadyNAS OS 6 on Legacy models
  • StephenB's avatar
    StephenB
    Dec 25, 2024
    curso wrote: Sorry it was my cut and paste that I messed up choosing a wrong format 8-(.

    Yeah, the forum software doesn't handle dashes correctly.

     

    Thx for the update.  It looks like there was no file corrupted.  So I think the system is ok now.

curso's avatar
curso
Tutor
Dec 21, 2024

 Hi Stephen,

 

Thanks for your quick reaction.

 

I just logged in as root in Tech support mode.

Launched the rnutil chroot command but I got a "killed" message like you can see 

I guess it failed with the message "flush_space+5a" on the  LCD. I still tried the brtf command in case but it failed.

 

 

# btrfs fi usage //
ERROR: not a btrfs filesystem: //

 

 

StephenB's avatar
StephenB
Guru - Experienced User
Dec 21, 2024

Does

 

rnutil start_raids

fail the same way?

 

  • curso's avatar
    curso
    Tutor
    Dec 21, 2024

    Here is output of the command, seems a bit better

     

     

    3C34390V00C6B login: root
Password:
# rnutil start_raids
mdadm: /dev/md/0 has been started with 4 drives.
mdadm: /dev/md/1 has been started with 4 drives.
mdadm: /dev/md/data-0 has been started with 4 drives.
mount: mounting LABEL=7c6e9e38:data on /data failed: No such file or directory
Scanned Btrfs device /dev/md/data-0
#

     

     

    the mount on /data failed and indeed, it is empty

     

    You can find here https://drive.google.com/open?id=1--vOp-VNXZAUipZuPT-TFqgmk7ltMuwi&usp=drive_fs   the dmesg outpout in case you can find some usefull information.

    • StephenB's avatar
      StephenB
      Guru - Experienced User
      Dec 21, 2024
      curso wrote:

      Here is output of the command

      Ok.  Does mount | grep md0 show that the OS partition has been mounted?

       

      If not, try mount /dev/md0 /sysroot

       

      If it's mounted, you should then be able to check the usage.

      • curso's avatar
        curso
        Tutor
        Dec 21, 2024

        The /dev/md0 was not mounted.

        I tried to mount it and unfortunatly it failed.

        # mount | grep md0
# mount
rootfs on / type rootfs (rw,size=2011292k,nr_inodes=502823)
proc on /proc type proc (rw,noatime,nodiratime)
sysfs on /sys type sysfs (rw,noatime,nodiratime)
udev on /dev type devtmpfs (rw,noatime,nodiratime,size=10240k,nr_inodes=502828,mode=755)
devpts on /dev/pts type devpts (rw,noatime,nodiratime,mode=600,ptmxmode=000)
# mount /dev/md0 /sysroot
Killed

         

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