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RN314 FW 6.7.1 root partition full, how to fix ?
Hi,
I rebooted my readynas and after boot GUI didn't start, cli is still working fine.
I logged in and it seems that root partition is full, but not full. It says 100% full, but there is only 1,4GB data in it.
oot@readynas:~# df -k Filesystem 1K-blocks Used Available Use% Mounted on udev 10240 4 10236 1% /dev /dev/md0 4190208 1484212 0 100% / tmpfs 1015564 0 1015564 0% /dev/shm tmpfs 1015564 8752 1006812 1% /run tmpfs 507784 12 507772 1% /run/lock tmpfs 1015564 0 1015564 0% /sys/fs/cgroup /dev/md127 8776244352 6082575816 2690603384 70% /data /dev/md127 8776244352 6082575816 2690603384 70% /home /dev/md127 8776244352 6082575816 2690603384 70% /apps tmpfs 51200 0 51200 0% /var/replicate/shm root@readynas:~#
Also btrfs fi says same thing.
oot@readynas:~# btrfs fi df /
Data, single: total=3.65GiB, used=900.52MiB
System, DUP: total=32.00MiB, used=16.00KiB
Metadata, DUP: total=142.06MiB, used=18.44MiB
GlobalReserve, single: total=512.00MiB, used=388.38MiB
root@readynas:~# btrfs fi usage /
Overall:
Device size: 4.00GiB
Device allocated: 4.00GiB
Device unallocated: 1.00MiB
Device missing: 0.00B
Used: 937.43MiB
Free (estimated): 2.78GiB (min: 2.78GiB)
Data ratio: 1.00
Metadata ratio: 2.00
Global reserve: 512.00MiB (used: 388.38MiB)
Data,single: Size:3.65GiB, Used:900.52MiB
/dev/md0 3.65GiB
Metadata,DUP: Size:142.06MiB, Used:18.44MiB
/dev/md0 284.12MiB
System,DUP: Size:32.00MiB, Used:16.00KiB
/dev/md0 64.00MiB
Unallocated:
/dev/md0 1.00MiB
root@readynas:~# There should be 2.7GB free in it.
There is one big core file in root file system, but I can't delete it, it says no space left on device.
root@readynas:/# find / -not -path "*/data/*" -not -path "*/apps/*" -size +100000k -print0 |xargs -0 ls -sd |sort -nr find: `/proc/4946/task/4946/fd/5': No such file or directory find: `/proc/4946/task/4946/fdinfo/5': No such file or directory find: `/proc/4946/fd/5': No such file or directory find: `/proc/4946/fdinfo/5': No such file or directory 49032 /var/cores/core-readynasd root@readynas:/# ls -al /var/cores/core-readynasd -rw------- 1 root root 254840832 May 11 16:29 /var/cores/core-readynasd root@readynas:/# rm /var/cores/core-readynasd rm: cannot remove '/var/cores/core-readynasd': No space left on device
I even tried install FW again using Recovery USB boot, but no help.
How I can fix this problem, without wiping whole box ?
Skywalker fixed root fs somehow, and not it is working fine.
6 Replies
Replies have been turned off for this discussion
To be able to look "under" mountpoints, mount-bind the root volume to /mnt:
mount --bind / /mnt
Then look inside it:
cd /mnt du -d1 -h
It will tell you which is the biggest folder, then cd into it and re-run:
cd <big_folder> du -d1 -h
Repeat the operation until there is no more big folder, only the total is big, which means it's big file(s) in the current directory, then:
ls -lhS
When you're finished cleaning up the big files, unmount the temporary bind:
cd umount /mnt
If deleting data doesn't work, you may also need to balance the empty chunks:
btrfs balance start -musage=0 -dusage=0 /
jak0lantash wrote:If deleting data doesn't work, you may also need to balance the empty chunks:
btrfs balance start -musage=0 -dusage=0 /
root@readynas:/etc# btrfs balance start -musage=0 -dusage=0 / Done, had to relocate 0 out of 13 chunks root@readynas:/etc#
It didn't help, root is still full.
jak0lantash wrote:To be able to look "under" mountpoints, mount-bind the root volume to /mnt:
mount --bind / /mnt
Then look inside it:
cd /mnt du -d1 -h
It will tell you which is the biggest folder, then cd into it and re-run:
cd <big_folder> du -d1 -h
Repeat the operation until there is no more big folder, only the total is big, which means it's big file(s) in the current directory, then:
ls -lhS
When you're finished cleaning up the big files, unmount the temporary bind:
cd umount /mnt
It is not possible to remove files, rm command always gives error.
root@readynas:/mnt/var/cache/apt/archives# rm libgsm1_1.0.13-4_amd64.deb rm: cannot remove 'libgsm1_1.0.13-4_amd64.deb': No space left on device root@readynas:/mnt/var/cache/apt/archives#
Is there a way to to factory reset with out disks, so that data volume is saved ?
I need to get this system up and running as soon as possible !!
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