On 07/29/2013 03:50 PM, Chris Adams wrote:
Once upon a time, Chris Murphy <lists@xxxxxxxxxxxxxxxxx> said:
How does the audit system determine space available? If it's using btrfs configured for raid1 or raid10, df and stat will report the total storage of all devices in the volume, unlike md raid (or even proprietary raid). Instead df reports logs files as using twice as much space.
How is _anything_ (programs, users, admins) supposed to know how much
free space is left on btrfs? This behavior seems like an admin's
nightmare.
With copy on write file systems like btrfs, you can consume space on writes to
existing files when overwriting them. You can even consume space by removing
files :)
Ric
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