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Unraid Error: /var/log is getting full (currently 100 % used)

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I have recently seen this error happening in "Fix Common Problems" on my Unraid server. I have checked the scheduler to insure that Mover Logging is disabled.

I am hoping someone in the community can shed some light on this with a possible resolution.

I am attaching Diagnostics below.

Thanks in advance for any assistance.

tower-diagnostics-20250721-0811.zip

  • Community Expert

It's a filesystem issue with an unassigned NTFS disk, run scandisk on Windows

Jul 9 14:45:06 Tower kernel: Buffer I/O error on dev sdl1, logical block 61071741, async page read

Jul 9 14:45:06 Tower ntfs-3g[189014]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error

Jul 9 14:45:06 Tower ntfs-3g[189014]: Failed to read index block: Input/output error

  • Author

JorgeB, Thank you for the quick response. However, I am confused, as I do not see device sdl1 on my system.

Below are the System Devices listed with the Unassigned devices noted.

Am I missing something?

SCSI Devices

[0:0:0:0]disk    SanDisk  Cruzer Fit       1.00  /dev/sda   16.0GB
[2:0:0:0]disk    ATA      HITACHI HUS72404 NS04  /dev/sdg   4.00TB
[2:0:1:0]disk    ATA      PNY CS900 1TB SS 06B5  /dev/sdh   1.00TB
[2:0:2:0]disk    ATA      HITACHI HUS72404 NS04  /dev/sdi   4.00TB
[2:0:3:0]disk    ATA      ST8000DM004-2U91 0001  /dev/sdj   8.00TB
[2:0:4:0]disk    ATA      HITACHI HUS72404 NS04  /dev/sdk   4.00TB
[3:0:0:0]disk    ATA      Samsung SSD 860  3B6Q  /dev/sdc    500GB  Unassigned (Boot device for a Windows 11 VM)
[7:0:0:0]disk    ATA      OOS8000G         OOS1  /dev/sdd   8.00TB
[10:0:0:0]disk    ATA      WL4000GSA6472E   01    /dev/sde   4.00TB
[11:0:0:0]disk    ATA      Samsung SSD 870  0A0   /dev/sdf   1.00TB
[14:0:0:0]disk    Hitachi  HUA722020ALA330        /dev/sdm   2.00TB Unassigned (Not in use)
[14:0:0:1]disk    Hitachi  HUA723020ALA640        /dev/sdn   2.00TB Unassigned (Not in use)
[14:0:0:2]disk    Hitachi  HUS724040ALE640        /dev/sdo   4.00TB Unassigned (Not in use)
[14:0:0:3]disk    WDC WD50 00AAKX-75U6AA0         /dev/sdp    500GB Unassigned (Not in use)

Also, Someone suggested to run the command below. Here is the output.

root@Tower:~# du -h -d 1 /var/log
0       /var/log/pwfail
0       /var/log/preclear
4.0K    /var/log/unraid-api
4.0K    /var/log/swtpm
16K     /var/log/samba
0       /var/log/plugins
32K     /var/log/pkgtools
4.0K    /var/log/nginx
0       /var/log/nfsd
12K     /var/log/libvirt
128M    /var/log
root@Tower:~# 
  • Community Expert

Disk may no longer be present; if that is the case reboot to get rid of the current errors.

  • Author

Will do. Thank You.

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