Fix: CopyParty Server Ran Out Of Disk Space Upload Error

by RICHARD 59 views
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Hey everyone, if you're encountering the frustrating "server ran out of disk space!" error when trying to upload files to your CopyParty setup, you're not alone. This guide will walk you through the issue, potential causes, and how to troubleshoot it. We'll cover everything from checking your storage to tweaking your CopyParty configuration.

Understanding the "Server Ran Out of Disk Space!" Error

When you encounter this error, CopyParty is essentially telling you that it can't write the file to the designated storage location because there isn't enough space available. Even if your server reports having plenty of free space, as indicated in the CopyParty interface (e.g., "179 GiB free of 230 GiB"), the error can still pop up. This discrepancy is often due to how CopyParty calculates free space versus the actual available space on the mounted drive.

It's crucial to address this issue because it completely halts your file uploads, making CopyParty unusable for its primary function. Let's dive into the possible causes and solutions.

Why Does This Happen?

  • Incorrect Free Space Calculation: CopyParty might be miscalculating the available space on your mounted NAS storage. This could be due to the way the storage is mounted, permissions issues, or limitations in how CopyParty retrieves disk space information.
  • File System Overhead: File systems reserve a portion of the disk for their internal use (metadata, journaling, etc.). This reserved space isn't available for general file storage, and CopyParty might not be accounting for it accurately.
  • User Quotas: If you have user quotas set up on your NAS or the server running CopyParty, a user might be hitting their quota limit even if the overall disk has free space.
  • Temporary Files: CopyParty might be creating temporary files during the upload process, and if the temporary storage location runs out of space, you'll see this error.
  • Network Mount Issues: Sometimes, the network mount itself might be experiencing issues, leading to incorrect space reporting or write errors.

Troubleshooting Steps

Here's a step-by-step guide to help you diagnose and resolve the "server ran out of disk space!" error in CopyParty:

1. Verify Disk Space on the Server

Let's start with the basics. You need to confirm the actual free space on the server where CopyParty is trying to store the files. Don't just rely on the CopyParty interface; use command-line tools to get a reliable reading. For Linux systems, the df -h command is your best friend.

  • Open a terminal or SSH into your server.
  • Type df -h and press Enter.
  • Look for the mount point where your NAS storage is mounted (e.g., /home/Jeb/mnt/omv in the example configuration).
  • Check the "Avail" column to see the actual available space.

If the available space reported by df -h is significantly lower than what CopyParty shows, or if it's nearing zero, you've likely found the culprit. You'll need to free up space on your NAS or adjust CopyParty's storage location.

2. Check Mount Options and Permissions

Incorrect mount options or permissions can lead to CopyParty being unable to write to the NAS storage, even if there's space available. Double-check how your NAS share is mounted.

  • Examine your mount command or /etc/fstab entry (if you're using it for automatic mounting) to ensure you have the correct read/write permissions.
  • Pay attention to the uid and gid options in your mount command. These options specify the user and group IDs that the mounted share will be accessed under.
  • Make sure the user running CopyParty has the necessary permissions to write to the mounted directory. You can use ls -l in the mount directory to view permissions.

For example, if you're using NFS, your /etc/fstab entry might look something like this:

192.168.1.10:/volume1/shared /mnt/nas nfs user,rw,noatime,vers=4,intr,tcp,uid=1000,gid=1000 0 0

In this case, uid=1000 and gid=1000 specify that the mounted share will be accessed as user and group with IDs 1000. Ensure that the user running CopyParty has these IDs or is part of the group with ID 1000.

3. Investigate CopyParty's Configuration

Your CopyParty configuration file (launch.conf in the example) holds critical settings that can impact how it interacts with your storage. Carefully review the configuration, especially the shr and volume-specific settings.

  • shr (Shared Directory): This setting defines the base directory CopyParty uses for file storage. Ensure this points to the correct location on your mounted NAS storage.
  • Volume-Specific Settings: In your example, the [/] section defines settings for the /home/Jeb/mnt/omv volume. Pay attention to the df (disk free) setting. If it's set too high (e.g., 1000g), CopyParty might misinterpret the available space.

Try commenting out or reducing the df value to see if it resolves the issue. CopyParty will then rely on the system's reported free space instead of its own calculation.

4. Check for User Quotas

If you're using user quotas on your NAS or server, ensure the user running CopyParty hasn't hit their quota limit. Even if the overall disk has plenty of space, a quota can restrict a user's ability to write files.

  • Consult your NAS or server's documentation to learn how to check and adjust user quotas.
  • Temporarily disable quotas for the user running CopyParty as a test to see if it resolves the issue.

5. Temporary Files and Disk Space

CopyParty might create temporary files during uploads, and if the location for these files runs out of space, you'll encounter the error. By default, CopyParty often uses the system's temporary directory (e.g., /tmp on Linux).

  • Check the free space on the partition where your temporary directory is located. You can use df -h and look for the mount point associated with /tmp.
  • If the temporary directory is running out of space, you can either free up space there or configure CopyParty to use a different temporary directory with more space.

Unfortunately, CopyParty doesn't have a direct configuration option for changing the temporary directory. However, you can try setting the TMPDIR environment variable before launching CopyParty:

TMPDIR=/path/to/your/new/temp/dir xargs -a launch.conf -- python3 ./copyparty-sfx.py

Replace /path/to/your/new/temp/dir with the desired location.

6. Network Mount Stability

Sometimes, the network mount itself might be the culprit. A flaky network connection or issues with the NAS can lead to write errors and incorrect space reporting.

  • Check your network connection between the server running CopyParty and your NAS.
  • Ensure the NAS is functioning correctly and doesn't have any errors in its logs.
  • Try remounting the NAS share to see if it resolves the issue.

7. Debugging with Server Logs

Your CopyParty server logs are invaluable for diagnosing issues. The logs provide detailed information about what's happening behind the scenes. Pay close attention to the error messages in the logs.

In the example logs provided:

01:59:00.283 37046  POST /Media/ @Jeb
01:59:00.284 37046  POST len=177 type=utf-8 ip=xxxxx user=Jeb req='/Media/' json={'name': 'ae9VpeQ_460sv.mp4', 'size': 1198826, 'lmod': 1743840846.734, 'life': 0, 'hash': '2 chunks'}
01:59:00.284 37046  http500: server HDD is full; -881 B free, need 1.14 MiB, '/Media'

The http500: server HDD is full message clearly indicates the issue. The -881 B free, need 1.14 MiB part is particularly helpful, as it shows the discrepancy between the available space and the required space.

8. CopyParty Version and Updates

While it's less likely, there's a chance the issue might be a bug in CopyParty itself. Ensure you're running the latest version of CopyParty.

The provided information indicates CopyParty v1.19.1 is being used. Check the CopyParty repository or website for any updates or bug fixes related to disk space reporting or file uploads.

Example Scenario and Solution

Let's consider the example scenario provided in the initial bug report:

  • Server OS: Pi4 Model B 4GB (CopyParty) and Pi5 16GB NAS (storage)
  • CopyParty Arguments: xargs -a launch.conf -- python3 ./copyparty-sfx.py
  • Configuration: (See the provided launch.conf in the original bug report)
  • Error: "server ran out of disk space!"

Based on the troubleshooting steps above, here's how we can approach this:

  1. Verify Disk Space: SSH into the Pi4 (where CopyParty is running) and use df -h to check the free space on the mounted NAS share (/home/Jeb/mnt/omv).
  2. Check Mount Options: Examine the /etc/fstab entry (or the mount command used) to ensure correct permissions and uid/gid settings.
  3. Investigate CopyParty Configuration:
    • Comment out or reduce the df value in the [/] section of launch.conf.
    • Ensure the shr setting points to the correct location on the mounted NAS share.
  4. Check Logs: Monitor the CopyParty logs for specific error messages related to disk space or file uploads.

Possible Solution:

In this specific case, the most likely culprit is the df: 1000g setting in the launch.conf. This setting might be causing CopyParty to miscalculate the available space. Commenting out this line or reducing the value should allow CopyParty to rely on the system's reported free space, potentially resolving the issue.

Conclusion

The "server ran out of disk space!" error in CopyParty can be a head-scratcher, but by systematically working through these troubleshooting steps, you can usually pinpoint the cause and get your file uploads working again. Remember to verify disk space, check mount options, review your CopyParty configuration, and dive into those server logs. Happy file sharing, guys!