What and where is Other in Disk Usage ?

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DeepAnger
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What and where is Other in Disk Usage ?

Post by DeepAnger »

Hi,

I'm filling a 100 TB RAID0 volume under Public but when I display Drive Usage under Activity Monitor I see a huge space of 6.89 TB labeled as Other.

What is it ?
Where is it ?
Can I delete or free this space ?

On a similar older volume2 in JBOD, that Other space is 1.23 TB.

Is this normal ?

Salutations.

NAS is a AS6510T with 8 x 14 TB drives running ADM 4.1.0.RLQ1
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Nazar78
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Re: What and where is Other in Disk Usage ?

Post by Nazar78 »

Probably the thumbnails. I used to have tons of it in '/volume?/.@thumbnail/' until I removed them then disabled the thumbnails scheduling in the settings as I don't need it. Now my 'Other' reads zero bytes.
AS5304T - 16GB DDR4 - ADM-OS modded on 2GB RAM
Internal:
- 4x10TB Toshiba RAID10 Ext4-Journal=Off
External 5 Bay USB3:
- 4x2TB Seagate modded RAID0 Btrfs-Compression
- 480GB Intel SSD for modded dm-cache (initramfs auto update patch) and Apps

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DeepAnger
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Re: What and where is Other in Disk Usage ?

Post by DeepAnger »

Nazar78 wrote:Probably the thumbnails. I used to have tons of it in '/volume?/.@thumbnail/' until I removed them then disabled the thumbnails scheduling in the settings as I don't need it. Now my 'Other' reads zero bytes.
Thank you for your answer.
I have just checked with WinSCP and these folders under volume2 are empty :
.@CNID
.@system (1 file 1 KB)
.@thumbnail
.@tmp
.@trashcan
lost+found

Only Public has files because that is where I copy my files.

And under Settings, Scheduling, Thumbnails, I have selected Peak Hours (Disable background processing).

This morning, the volume stats have changed :
Public : 78.33 TB
Other : 3.36 TB
Free : 19.74 TB

So, Other has lost more than half of its volume during the night and for what reason ?

Any other idea of what uses Other with TB of space ?

Two hours later I did a refresh on the Drive Usage graph and the Other space has fallen to 351 MB. I bet that those who know what causes this will not tell us.
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