On Thursday 11 March 2004 21:44, Jeff Hoffmann wrote: > Hello list, > > Is it possible to convert from RAID 0 to 1 without data loss? No, obviously. Raid 1 is mirrored, so your useable space is only half of your total capacity at best. Raid 0 uses the full capacity of the disks, so until you can solve how to put twice as many data onto the same space, one cannot convert from raid0 -> raid1 without 'losing data'... > Given a system with two disks, three partitions on each: boot, /, and swap. > > Convert / from RAID 0 to 1 without requiring a backup/reinstall/restore > scenario Even without the <total data size> problems as outlined above, you cannot touch either disks of a raid 0 set without destroying data, that is the whole point of raid 0. So, even an online-migration tool sounds implaudible. > Any RAID-mojo-masters with the answer? I'm not a RAID-mojo-master, but then again I don't believe one needs to be one to answer this. It stems directly from the theory of operation of the levels. Maarten - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
