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Re: "not enough space" with "data raid0"



On Mon, Mar 19, 2012 at 03:14:19PM +0000, Alex wrote:
> 
> >    I'm working on a comprehensive explanation of the limits on btrfs's
> > space usage, and a little JavaScript tool to help plan/explain disk
> > usage.
> 
> Thank you Hugo.
> 
> Given the kernel 3.3 release yesterday [1] we've gained the ability to restripe
> to different raid levels after the fact. So I guess I don't have too much to
> worry about with decent backups.

   Yes, you do. RAID is not a backup: What happens if you accidentally
write zeroes over all your superblocks? Or rm -rf /home? RAID will not
help you here.

   Hugo.

-- 
=== Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk ===
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   --- In the future, terrorists won't be carrying their ID cards. ---   
                   They'll be carrying yours. -- Henry                   
                         Porter,  Suspect Nation                         

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