On Fri, 27 May 2016 00:42:07 +0200 Diego Torres <diego.tor...@gmail.com> wrote:
> Btrfs is the only fs that can add drives one by one to an existing raid > setup, and use the new space inmediately, without replacing all the drives. Ext4, XFS, JFS or pretty much any FS which can be resized upwards can also do that, when placed on top of mdadm RAID5/6. It's not like you are absolutely locked in to using Btrfs if you need that particular feature. "Some of us" also prefer to use Btrfs on top of mdadm RAID, to benefit both from Btrfs' advanced features such as snapshots, compression and checksum verification (but not corruption resilience in this case), and from mdadm's mature, well-tested and performant RAID implementations. -- With respect, Roman
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