On Wed, Jan 16, 2019 at 03:36:25PM +0100, Stefan K wrote: > Hello, > > if I create a raid10 it looks like that: > mkfs.btrfs -m raid10 -d raid10 /dev/sdb /dev/sdc /dev/sdd /dev/sde > > but if I've different jbods and I want that every mirror of a raid10 is on a different jbod how can I archive that? in zfs it looks like that: [snip] > how can I be sure that is btrfs the same? I'm afraid you can't. It would take modifications of the chunk allocator to achieve this (and you'd also need to store the metadata somewhere as to which devices were in which failure domain). Hugo. -- Hugo Mills | "It was half way to Rivendell when the drugs began hugo@... carfax.org.uk | to take hold" http://carfax.org.uk/ | Hunter S Tolkien PGP: E2AB1DE4 | Fear and Loathing in Barad Dûr
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