On Sat, Sep 20, 2014 at 07:11:52PM +0300, Leonid Bloch wrote: > I am wondering: if I set up btrfs on two identical drives, with data > and metadata mirroring, will it be possible to use these drives > separately later on? Will just one of these drives work as a regular > btrfs-formatted single drive if connected to a different machine?
If by this you mean btrfs raid1, then yes, they will work this way. Just both of them will have "missing" device and, afaik, wont mount without -o degraded. But then you can rebalance to notraid1 or add another disk and replace missing devices on new machines. Piotr Szymaniak.
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