Deleting large file fails and crashes NAS

[Zippyduda]

Looks like under Snapshots I have snapshots going back to 2015! Will get to deleting them and see how it does.

This is what I see via command line currently:

root@:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/md127 3.7T 2.4T 1.3T 66% /data
/dev/md127 3.7T 2.4T 1.3T 66% /apps
/dev/md127 3.7T 2.4T 1.3T 66% /home
/dev/md127 3.7T 2.4T 1.3T 66% /var/ftp/Backup
/dev/md127 3.7T 2.4T 1.3T 66% /var/ftp/Music
/dev/md127 3.7T 2.4T 1.3T 66% /var/ftp/DedicatedServer
/dev/md127 3.7T 2.4T 1.3T 66% /var/ftp/Documents
/dev/md127 3.7T 2.4T 1.3T 66% /var/ftp/Pictures
/dev/md127 3.7T 2.4T 1.3T 66% /var/ftp/readydrop
/dev/md127 3.7T 2.4T 1.3T 66% /var/ftp/Videos
/dev/md127 3.7T 2.4T 1.3T 66% /var/ftp/Work

ncdu 1.8 ~ Use the arrow keys to navigate, press ? for help
--- / ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1.3TiB [##########] /data
1.3TiB [######### ] /var
1.3TiB [######### ] /run

[Zippyduda]

I assume deleting the snapshots won't delete any of my data?

Looks like I have already gained a TON of space back and I've only done 2 out of 7 folders snapshots:

root@:/# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/md127 3.7T 1.4T 2.3T 38% /var/ftp/Backup
/dev/md127 3.7T 1.4T 2.3T 38% /var/ftp/Music
/dev/md127 3.7T 1.4T 2.3T 38% /var/ftp/DedicatedServer
/dev/md127 3.7T 1.4T 2.3T 38% /var/ftp/Documents
/dev/md127 3.7T 1.4T 2.3T 38% /var/ftp/Pictures
/dev/md127 3.7T 1.4T 2.3T 38% /var/ftp/readydrop
/dev/md127 3.7T 1.4T 2.3T 38% /var/ftp/Videos
/dev/md127 3.7T 1.4T 2.3T 38% /var/ftp/Work

[Zippyduda]

Looks like deleting the snapshots has fixed it, I can now copy to the NAS volumes again 🙂 

[StephenB]

Good.  I suggest running a balance next.

[mdgm-ntgr]

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@StephenB wrote:

Normally they are shown in yellow.

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That's only if quotas are enabled on the volume. Calculating the total space consumed by snapshots is done using quotas. I think this is done by summing up the space consumed by shares (excluding snapshots) and subtracting this from the total consumed space on the volume.

[Zippyduda]

Thanks guys, will do 🙂 

Good to know about the quotas.

Also saw this link when I was researching: https://notes.ponderworthy.com/upgrade-snapshots-in-a-readynas