TanKianW
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my problem is
see the problem? suppose to have 12TB storage but now existing less than 9tb left even tot i delete the files already...
the delete files storage space doesn't appear
Relooked at your zfs list. Realized It is not showing the full picture. Just the "NAS" data-set
My only guess is that the missing storage was locked in other application/data-sets/pools, which you will need to sort it out or delete.
You could just type "zpool list" and "zfs list" without the data-set at the back to help you have a better overview of the storage utilization.
Some characteristics of truenas/zfs: When you update the system, the system will still keep a copy of the previous version. For example, If the system file is 10GB, before the update maybe you have 100GB of capacity for plain storage. After update, you might be left with 90GB of storage (where the system re-adjust). Only when you delete the previous version, will you release the capacity. This also applies to installing jails, updating jails. Sometimes, snap shots might also be holding on to the data causing the data to continue keep a copy on your pool (HDD) until the snapshots have been deleted. This the reason why when you create snapshot task, you always set an "expiry date" (1-3mths) on the snapshots.
Still unsure how truenas/zfs works. You can read up or check out the official TrueNAS forum.
This thread can help you get started, but a lot of reading/researching still need to do it yourself to explore further into zfs. It is an "unconventional" file system.
My only guess is that the missing storage was locked in other application/data-sets/pools, which you will need to sort it out or delete.
You could just type "zpool list" and "zfs list" without the data-set at the back to help you have a better overview of the storage utilization.
Some characteristics of truenas/zfs: When you update the system, the system will still keep a copy of the previous version. For example, If the system file is 10GB, before the update maybe you have 100GB of capacity for plain storage. After update, you might be left with 90GB of storage (where the system re-adjust). Only when you delete the previous version, will you release the capacity. This also applies to installing jails, updating jails. Sometimes, snap shots might also be holding on to the data causing the data to continue keep a copy on your pool (HDD) until the snapshots have been deleted. This the reason why when you create snapshot task, you always set an "expiry date" (1-3mths) on the snapshots.
Still unsure how truenas/zfs works. You can read up or check out the official TrueNAS forum.
This thread can help you get started, but a lot of reading/researching still need to do it yourself to explore further into zfs. It is an "unconventional" file system.
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