Introduction

In some VPS environments, you may receive a Disk quota exceeded error even when sufficient disk space is available. This usually happens when the inode limit has been fully utilised.

An inode stores metadata about files. When the inode usage reaches 100%, new files cannot be created even if free disk space exists.

Prerequisites

Before proceeding, ensure:

  • Root SSH access to the hardware node
  • OpenVZ/Virtuozzo-based VPS environment
  • VPS container ID available
  • Basic knowledge of Linux command line

Checking Disk Space Usage

Run:

df -h

Example:

Filesystem      Size  Used Avail Use% Mounted on/dev/sda3       263G  212G   38G  86% /

The server may still have free disk space available.

Checking Inode Usage

Run:

df -i

Example:

Filesystem      Inodes   IUsed   IFree IUse% Mounted on/dev/sda3       1008256 1008256      0 100% /

If IUse% is 100%, the inode limit has been exhausted.

Check VPS Quota Information

On the hardware node, check quota details:

cat /var/vzquota/quota.101

Replace 101 with your VPS container ID.

Important Configuration Files

/etc/sysconfig/vz/etc/sysconfig/vz-scripts/101.conf

Check VPS Filesystem Usage

vzctl exec 101 df -i

Increase Inode Limit

Increase Disk Space

vzctl set 101 --diskspace 1000000:1100000 --save

Increase Inode Value

vzctl set 101 --diskinodes 90000:91000 --save

Replace the values according to your requirements.

Verify VPS Quota Status

Run:

vzquota stat 101 -t

Conclusion

Inode exhaustion is a common issue in VPS containers hosting large numbers of files. By increasing the inode limits from the hardware node, you can resolve “Disk quota exceeded” errors even when sufficient disk space is available.

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