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RN4220X shows 3TB free of 36TB volume but file writes report no free space
Hi, One of our ReadyNAS 4220s (firmware 6.8.0) has started playing up and we can't write to it unless we reboot it. The problem goes away for about 48 hours then comes back again. Any writes to the...
A bit of extra information:
root@MPNAS01:/vol1# btrfs fi show
Label: '43f60230:root' uuid: 1f1056b9-4886-4c5f-bf80-94ec5ae8a07f
Total devices 1 FS bytes used 547.11MiB
devid 1 size 4.00GiB used 3.90GiB path /dev/md0
Label: '43f60230:vol1' uuid: c025ae0d-299c-49fd-ac86-76ad8225e4a1
Total devices 1 FS bytes used 33.35TiB
devid 1 size 36.34TiB used 36.33TiB path /dev/md127
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If I'm reading this correctly it shows we need to run a balance on /dev/md127 - can anyone confirm that?
Also, I forgot to add we don't have support for these devices from Netgear so this community is our only hope!
Something is filling/has filled up your 4GB root directory to an extent the file system cannot operate correctly.
You need to look there for large files (probably logs from an installed app) and consider deleting them
According to these outputs there is plenty of space on the root file system:
root@MPNAS01:/vol1# btrfs fi df /
Data, single: total=3.47GiB, used=535.24MiB
System, DUP: total=8.00MiB, used=4.00KiB
System, single: total=4.00MiB, used=0.00B
Metadata, DUP: total=204.56MiB, used=11.87MiB
Metadata, single: total=8.00MiB, used=0.00B
GlobalReserve, single: total=16.00MiB, used=0.00Broot@MPNAS01:/vol1# df -h /
Filesystem Size Used Avail Use% Mounted on
/dev/md0 4.0G 575M 3.1G 16% /So why does this show not much space left? Is it to do with balancing?
root@MPNAS01:/vol1# btrfs fi show
Label: '43f60230:root' uuid: 1f1056b9-4886-4c5f-bf80-94ec5ae8a07f
Total devices 1 FS bytes used 547.11MiB
devid 1 size 4.00GiB used 3.90GiB path /dev/md0Sorry I don't know that, hopefully others will
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