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Question about Raid/Boot



From what I recall reading the logs at startup if I put my boot system on a software raid 1 it appears to boot from disk #1 then mount the RAID and finish from there.

Am I correct so far?

The ultimate question is this:
If I have a disk failure on a boot/raid1 system (/dev/hda), can I simply replace that dead disk with a new one (empty, formated, partition, doesn't matter?) and it will magically boot from the available disk (/dev/hdb) and fix itself? Or is there more to this?


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