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Forum Discussion
Please help me understand my used space
Hi, I have 2 2TB drives in the system. If I do `du -s /data` I get the used space as 154277424272. If I do a `df` I get used space as 1731570392. The difference is almost 200GB! Where does it go...
No, not really.. When I was doing the figures, I had all the snapshots deleted. Now I deleted them all again, but still around 200GB is missing:
root@nas:~# du -s /data
1478458284 /data
root@nas:~# btrfs fi df /data -k
Data, single: total=1862118272.00KiB, used=1646336384.00KiB
System, DUP: total=32768.00KiB, used=228.00KiB
System, single: total=4096.00KiB, used=0.00KiB
Metadata, DUP: total=2621440.00KiB, used=1755064.00KiB
The reason for lowered disk usage is that I deleted some backups, however, the difference remained pretty much constant - 200GB less in all the visible files than reported usage by NAS. So where are those 200GB? :(
root@nas:~# du -s /data
1478458284 /data
root@nas:~# btrfs fi df /data -k
Data, single: total=1862118272.00KiB, used=1646336384.00KiB
System, DUP: total=32768.00KiB, used=228.00KiB
System, single: total=4096.00KiB, used=0.00KiB
Metadata, DUP: total=2621440.00KiB, used=1755064.00KiB
The reason for lowered disk usage is that I deleted some backups, however, the difference remained pretty much constant - 200GB less in all the visible files than reported usage by NAS. So where are those 200GB? :(
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