Zfsauton scratch maintenance

Piotr Bartosiewicz pbartosi at andrew.cmu.edu
Tue Jul 28 13:30:46 EDT 2026


Hi,
  /zfsauton/scratch is back online.

Because of how the filesystem works, performance modification only applies
to new or rewritten files.

Copy your data in your scratch directories.

For example:
1. Copy your old folder to a temporary new folder
rsync -aHAX --progress /zfsauton//scratch/username/current_directory/
/zfsauton//scratch/username/new_directory/

2. Swap the names
mv /current_directory /old_directory
mv /new_directory /current_directory

3. Delete the old dir
rm -rf /old_directory

If you have any questions or issues please let me know.
Piotr.

On Sun, Jul 26, 2026 at 11:32 AM Piotr Bartosiewicz <pbartosi at andrew.cmu.edu>
wrote:

> Hi everyone,
>   On Tuesday, July 28, 2026, zfsauton/scratch will be temporarily taken
> offline to address recent server issues and improve overall performance.
>
>  - Start time: Around 10:00 AM
>  - Estimated duration: 3 hours
>
> Thank you for your patience
> Piotr.
>
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