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Linux's built-in software RAID (implemented at the block level) has supported online RAID level changes for many years. Check out the "grow mode" section of the
by teraflop 10y ago
Linux's built-in software RAID (implemented at the block level) has supported online RAID level changes for many years. Check out the "grow mode" section of the mdadm(8) man page sometime; it goes into great detail about which operations are supported.
- __david__ 10y agoYeah, shout out to mdadm and the md driver. I've been using it for years and years and it's rock solid. Being able to grow arrays (online) and convert plain drives into mirror sets is great. I feel that md and lvm are underappreciated by a large number of Linux users…