I am trying to understand how btrfs works with Raid1.
Is it possible to create the filesystem with -m raid1 -d raid1 in which
there is only one device available when the filesystem is created. Is
it possible to refer to a second device as missing
The use case I am thinking of is converting
reclaim the space by deleting some of the old snapshots.
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Alan Chandler
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is not
deleting /home/.* files (if there any there).
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Alan Chandler
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was thinking subvolumes where
like an LV. They are, but not quite the same.
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Alan Chandler
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completely and add in the
freed up device using btrfs device add
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Alan Chandler
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something
like a USB stick initially and then failing it, and replacing it with
the real device when ready.
If thats possible, then perhaps functionality to do it without faking it
could be added to the to do list. It sure would be useful in migrating
from mdmadm/lvm setup.
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Alan Chandler
On 12/01/11 14:02, Hugo Mills wrote:
I've had a go at determining exactly what happens when you create a
filesystem without enough devices to meet the requested replication
strategy:
Thanks - being new to this I haven't set up the infrastructure to try
these tests - but am interested
