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Docker Containers and VM missing after reboot

Featured Replies

Hi All,

I wanted to test this 

to solve the problem with array not starting after reboot automatically. It did not work and in addition after the second reboot all my vm's and docker where gone from the Web GUI. I saw already several topics for that in forum but with no clear explanation why does it happen and how to prevent it. I was able to recreate the VM  and reinstall the dockers (vdisk and docker appdata was not gone from the Array). But why it happened and why the array does not auto start after reboot is a mystery for me. Can any of you help to solve it ? I have 

nas-diagnostics-20240907-0943.zip

  • Community Expert

Post a screenshot of main after a reboot.

  • Author

image.thumb.png.6001ce38418cda5e46bc5f1b578d01eb.png

image.thumb.png.771b561981af869c6862259c95fd098e.png

image.thumb.png.150e5ba3dde7fd43c128a0c29dc37145.png

 

At least docker and VM's are still there after reboot.

image.png

Edited by ruzjio

  • Community Expert

If that is after a reboot don's see why the array is not autostarting, try togging the setting and reapplying.

  • Author

I did that at the beginning (see first post). But the main issue here is the fact that the docker and VM were gone 

  • Community Expert

Previous diags show that both the docker and libvirt images are new, either there's a missing pool/device or there's a duplicate image, post the output from:

 

find /mnt -name libvirt.img

 

  • Author
root@NAS:~# find /mnt -name libvirt.img
/mnt/user/system/libvirt/libvirt.img
/mnt/cache/system/libvirt/libvirt.img

 

  • Community Expert

There's only one, so assuming no device is missing, it suggests the old one was deleted, if you have a backup restore it, if you don't, create new VM(s) with the same settings as before and point to the existing vdisk(s).

 

For Docker, and assuming the old appdata still exists, you can just recreate the image and restore the container from Apps:

 

https://docs.unraid.net/unraid-os/manual/docker-management/#re-create-the-docker-image-file
Then:
https://docs.unraid.net/unraid-os/manual/docker-management/#re-installing-docker-applications
Also see below if you have any custom docker networks:
https://docs.unraid.net/unraid-os/manual/docker-management/#docker-custom-networks

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