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How to safely shrink a mdadm Linux RAID containing LVM Logical Volumes - dowe.io
The title of this article could have been, “How to shrink a mdadm Linux RAID containing LVM Logical Volumes and replace physical disks with lower-capacity alternatives – AND keep your data safe!”. That’s just clunky, of course, but I hope you get the point. Preliminaries I recently ran into the situation where I needed to …