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icy's avatar
icy
Aspirant
Dec 04, 2014

Shutdown process can't finish : what to do ?

Hi all,
Ready Nas Ultra 4 using os 6.1.9

2 days ago; i've initiate a shutdown on the nas, using the front panel button. But the nas want not to shutdown...

- The nas is perfectly available(read/write) with samba.

- Accessing the web interface, i receive a "Device is offline" ... indeed, the nas is not present in the Device section.

- The nas osd blink with a "shutdown ..." message. If I press the button again, nothing changes...

- I can ssh as root! But with a "ps -ef|grep shutdown", no process appear... My linux knowledge are limited...
- a shutdown -c , give nothing.

I guess I can't simply (and safely) unplug the ac adapter... so what to do?

Thx for the help....

7 Replies

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  • mdgm-ntgr's avatar
    mdgm-ntgr
    NETGEAR Employee Retired
    Sounds like a service or app must be preventing it from shutting down somehow.

    What services are you running and what apps,do you have installed?
  • Thanks for all your answers :)

    spiderman wrote:
    Try this command:

    rn_shutdown now

    mmmh ...
    root@ReadyNas:~# rn_shutdown now
    !!!!!! Use 'reboot' command to reboot. !!!!!!

    And a reboot -p give :
    root@ReadyNas:~# reboot -p
    Broadcast message from root@ReadyNas on pts/0 (Fri, 05 Dec 2014 01:04:46 +0100):
    The system is going down for reboot NOW!

    I'm still waiting :|

    vandermerwe wrote:
    You can force a shutdown by pushing the power button for 5 seconds.

    Ok, same than unplug the ac adapter ;) I just would like to avoid to brick my Nas :p

    mdgm wrote:
    Sounds like a service or app must be preventing it from shutting down somehow.
    What services are you running and what apps,do you have installed?


    root@ReadyNas:~# service --status-all
    [ - ] acpid

    The acpid show up after 15 mins... I'm still waiting the command to complete...
    Apps are : plex, some monitoring apps (htop, phpsys info), readynas photo2.
    ...
    A top give me this...
    top - 06:15:14 up 14 days, 13:06,  2 users,  load average: 9.46, 9.21, 9.14
    Tasks: 220 total, 1 running, 172 sleeping, 0 stopped, 47 zombie
    %Cpu(s): 0.3 us, 0.3 sy, 0.0 ni, 99.3 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
    KiB Mem: 1008616 total, 979224 used, 29392 free, 20 buffers
    KiB Swap: 523708 total, 294168 used, 229540 free, 283784 cached

    PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
    10111 root 20 0 28484 1680 1172 R 1.0 0.2 0:00.27 top
    574 root 20 0 0 0 0 S 0.3 0.0 29:51.73 fsnotify_mark
    1 root 20 0 45548 1556 376 D 0.0 0.2 0:41.02 systemd
    2 root 20 0 0 0 0 S 0.0 0.0 0:01.35 kthreadd
    3 root 20 0 0 0 0 S 0.0 0.0 0:52.05 ksoftirqd/0
    6 root rt 0 0 0 0 S 0.0 0.0 0:01.41 migration/0
    7 root rt 0 0 0 0 S 0.0 0.0 0:02.86 watchdog/0
    8 root rt 0 0 0 0 S 0.0 0.0 0:01.34 migration/1
    10 root 20 0 0 0 0 S 0.0 0.0 0:46.22 ksoftirqd/1
    12 root rt 0 0 0 0 S 0.0 0.0 0:02.41 watchdog/1
    13 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 khelper
    261 root 20 0 0 0 0 S 0.0 0.0 0:02.54 sync_supers
    263 root 20 0 0 0 0 S 0.0 0.0 0:00.05 bdi-default
    265 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kblockd
    371 root 20 0 0 0 0 S 0.0 0.0 0:00.00 khubd
    378 root 20 0 0 0 0 S 0.0 0.0 0:01.65 kworker/0:0
    380 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 md

    2 user (2 ssh), no load at all...

    Neverless, i've followed vandermerwe proposition...
    Thanks again for all your replies..
  • icy wrote:


    vandermerwe wrote:
    You can force a shutdown by pushing the power button for 5 seconds.

    Ok, same than unplug the ac adapter ;) I just would like to avoid to brick my Nas :p



    I am not sure that the 2 methods are the same in terms of the risk of "bricking". I always thought the long press was reasonably safe, but unexpected power loss is more problematic?
  • Today, again I can't reboot...
    All previous command won't work.

    But today, the samba process (smbd) take 100% of 1 core since a while :
    Broadcast message from root@ReadyNas (Sun, 14 Dec 2014 15:22:49 +0100):
    3984 root 20 0 246m 2380 976 R 100.1 0.2 10314:22 smbd
    13287 root 20 0 28484 1704 1176 R 1.0 0.2 0:00.48 top


    I tried to stop it, kill it nicely and hardly ... it won't be killed...

    I've tried :
    mdgm wrote:
    What about

    # systemctl


    but

    root@ReadyNas:/data/Videos# systemctl
    Failed to get D-Bus connection: Failed to authenticate in time.


    So once again, i did a hard reset :|

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