path: root/cmds-replace.c
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authorSam Tygier <>2015-05-30 15:54:48 +0100
committerDavid Sterba <>2015-06-02 17:02:19 +0200
commitfbb356632c19c9262231e2062d2f708574f794ad (patch)
tree600f4608c547983d27a9223d2992384cf9b2814a /cmds-replace.c
parent1e9a6b698479ad759270270d585a5af36253cc30 (diff)
btrfs-progs: mkfs: check metadata redundancy
Currently BTRFS allows you to make bad choices of data and metadata levels. For example -d raid1 -m raid0 means you can only use half your total disk space, but will lose everything if 1 disk fails. It should give a warning in these cases. When making a filesystem, check that metadata mode is at least as redundant as the data mode. For example give warning when: -d raid1 -m raid0 Signed-off-by: Sam Tygier <> [make the check more visible in mkfs output] Signed-off-by: David Sterba <>
Diffstat (limited to 'cmds-replace.c')
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