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From: Lionel Bouton <lionel-subscription@bouton.name>
Subject: Auto-rebalancing script
To: Btrfs BTRFS <linux-btrfs@vger.kernel.org>
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Date: Sun, 14 Feb 2016 22:03:14 +0100
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Hi,

I'm using this Ruby script to maintain my BTRFS filesystems and try to
avoid them getting in a position where they can't allocate space even
though there is still plenty of it.

http://pastebin.com/39567Dun

It seems to work well (it maintains dozens of BTRFS filesystems, running
balance on them on occasions and avoiding too much I/O stress if any
most of the time) but there might be bugs or inefficiencies so I publish
it in case it can be useful to others or benefit from criticism.

Lionel