On 02/01/2013 12:17 PM, Dominique wrote: > Hi list, > > I was wondering what would be the best way to convert a 6 hdd raid 5 to > raid 6. Ideally without having to reformat everything and lose all the > data in the process. I have backups of the data but I don't look forward > reinstalling everything on that server. 1) Add a seventh drive to the system. You can do this on the run if you have hotplug-capable sata ports or sas ports. 2) Add that drive to the array w/ "mdadm --add" 3) Convert array to raid6 w/ "mdadm --grow --level=raid6" You can do 2 & 3 on the run. 4) Monitor /proc/mdstat to see when it finishes. HTH, Phil -- 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
