NAS540 - Volume gone

go4it · April 7

I have a NAS540 from the first generation with 4x 4TB HDD. All disk are healthy (green), the disk group is green too with a raid6. The volume is gone and the disk group 1 usage is 100%.
Any way to fix this?

Bildschirmfoto 2026-04-02 um 10.53.39.png

Thanks

Mijzelf · April 7

Can you enable the ssh server (if you haven't done yet), login over ssh and post the output of

cat /proc/partitions
cat /proc/mounts
cat /proc/mdstat
su
mdadm ++examine /dev/sd[abcd]2
lvdisplay

And here ++ should be - - without space in between. It's not possible to type that on this forum.

go4it · April 8

https://community.zyxel.com/en/discussion/comment/84352#Comment_84352

Thank you.

I tried again and now I can access my shares but still no volume available 🤔

NAS540 - Volume gone

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