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I'm not completely sure but am reasonably confident this is a keyhelp issue


Server OS: Ubuntu 20.04


Server virtualization technology:
KVM


KeyHelp version + build number:
23.0 Build 2921


What is the wrong result:
Disk Analysis shows full disk when disk is not full


What is the expected result: Disk Analysis will show correct disk utilization
Disk Analysis shows more disk in use than is actually used

I have not attempted to reproduce this bug. If I cannot resolve it I will attempt to restore from external backup on a fresh install.


Additional information
No major changes to the server recently other than adding domains


Unfortunately I deleted all the logs to get services up and running. Was getting disk full errors from mysql.


From the admin user dashboard, it shows disk usage nearly full:

Disk space

Free: 1.16 GiB Used: 21.23 GiB Total: 23.60 GiB

94.82%

From terminal using ncdu in / directory:

Total disk usage: 5.0 GiB Apparent size: 5.0 GiB Items: 347010

Also from solusVM panel showing plenty of space:

4.99 GB of 25 GB Used / 20.01 GB Free

Have you checked the last run of the task "Calculate disk space" (there you can find it: Settings >> Maintenance Intervals)?

I ran the "Calculate Disk Space" before I posted this thread. No errors. The disk calculator logs appear to be working properly. Here is copy and paste from the last run:

[16-Feb-2023 20:46:01] INFO | Loading client accounts...
[16-Feb-2023 20:46:01] INFO | Collecting data for client "lucky"
[16-Feb-2023 20:46:02] INFO | Here comes the report...

Client name : lucky

Diskspace : 767.05 MiB / unlimited - 0.00%
- Webspace : 728.22 MiB
- Emails : 1.38 MiB
- Databases : 37.45 MiB

Files : 33,577 / unlimited - 0.00%

Client has been limited : No

Email accounts : 4
- lucky@19e.happyforever.com : 388.00 KiB / 1.00 GiB - 0.04%
- luckycharms@trail.town : 380.00 KiB / 1.00 GiB - 0.04%
- luckycharms@roanmountain.town : 584.00 KiB / 1.00 GiB - 0.06%
- master@machinewriting.ink : 64.00 KiB / 1.00 GiB - 0.01%

Databases : 5
- lucky_db1 : 13.69 MiB
- lucky_db3 : 7.09 MiB
- lucky_db4 : 11.92 MiB
- lucky_db2 : 4.06 MiB
- lucky_db5 : 704.00 KiB

====

What is the output of

Looks to me you are using different mounts for /home and /, that would explain why it's full and not full.
Did you install Ubuntu into just 1 single partition? I think not else it would show the same.

My guess is your / partition is 20GB but your /home is just 5GB in size and thus fills very quickly.
command output will tell us a lot more.

I did a default install through solusVM. I assume that a default install would put everything in /, but maybe it has been customized on the host side.

Here is the output of df -h

Filesystem Size Used Avail Use% Mounted on
udev 463M 0 463M 0% /dev
tmpfs 99M 12M 87M 12% /run
/dev/vda1 24G 23G 0 100% /
tmpfs 491M 0 491M 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 491M 0 491M 0% /sys/fs/cgroup
tmpfs 99M 0 99M 0% /run/user/0

I don't see anything mounted /home. Perhaps I'm not reading it correctly?

Huh? This is wrong:

/dev/vda1 24G 23G 0 100% /

Your filesystem shows 100% full. That isn't right.

Does it run in Read-Only-Mode for some reason?

Please give the output of the command

Hello,

the disk space is simply completely occpied. Maybe because of backups or huge log files.

Your filesystem shows 100% full. That isn't right.

What should this be not right? It often happens

It may be a bug in solusVM or something wrong with the host.

If the disk were full it should be showing as full from the host node.

However I cannot say with any certainty that this is an issue with keyhelp. I don't know what's happening. I'll contact support at my hosting provider and see if I can report any news.

(Edit: I missed this post earlier)

Here is the result of df --block-size=1 --output=source,fstype,size,used,avail,itotal,iused,iavail,target

Try as root or via sudo to see whats eating your your space.

This was a huge list so I won't cut and paste it. What looked very interesting was the first 4 lines:
Everything else looked normal. The last few lines for the largest directories:

Contacting my hosting provider fixed the problem. The disk analysis now reads correctly.

Unfortunately my host would not disclose the solution or explain what caused the problem. My guess is a disk failure somewhere.

Thank you all for your help. Keyhelp is a great product with a great team behind it, and was definitely not the cause of this problem.

Please feel free to mark this issue solved.