On 5/23/2013 5:44 AM, Robert Goliasz wrote: > Hi, > > When attempting to change raid level from 1 to 0 I don't even know if this is possible. > (I was doing some testing > trying to convert a raid1 array to a raid10 one), I got a division error. ... > gbl-macbook# mdadm --grow /dev/md0 -l 0 If it is possible, this command line won't work because you didn't specify a chunk size for the RAID0 stripe. Every striped array type requires a chunk size. > zsh: segmentation fault mdadm --grow /dev/md0 -l 0 > gbl-macbook# ... > Afterwards, my mounted filesystem (/dev/md0) disappeared (it's no longer > mounted), and all operations related to software raid seem to fail: Well of course. Experimenting with mdadm without knowing what you're doing will often result in lost/corrupted arrays and other forms of damage. At this point you should simply start a new thread and ask: "How do I convert a RAID1 array to RAID0?" or "How do I convert a RAID1 array to RAID10?" instead of working backwards from your mistakes here. -- Stan -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
