The following article is a concise description of a VMware dry run to convert a Redhat 7.3 server to a software RAID. The actual server migration is more complex and involves breaking a "hardware" RAID on an onboard Fastrack controller. An objective of the test run is to avoid use of a boot disk, as it hangs during kernel startup on the real hardware.To outline the procedure, we set up new mirror sets where the new disks are primary and the original disk are set up as failed secondary. We create new filesystems on the degraded mirrors, copy the data, make them bootable, and finally add the original disks to the mirror.
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