On Thursday August 17, xshu2006@xxxxxxxxx wrote: > dear sir: > i try to make a reshape command with mdadm (version > 2.5.2).in linux shell ,i make > $:mdadm -G /dev/md5 /dev/sdd2 > /dev/md5 is a raid5 device with 4 disks,/dev/sdd2 is a partition > it give the prompt :mdadm :can only add devices to linear arrays,but i > have read the resourse code of mdadm(V2.5.2),it do really support > adding several disks into a array (espacially raid5) to make the array > more large capability. To restape a raid5 you need to give the new number of drives. e.g. mdadm --grow /dev/md5 --raid-disk=5 You should hot-add sdd2 as a spare (--add /dev/sdd2_) before hand so that the array isn't degraded when the reshape completes. NeilBrown > > i want to know if i want to add(not hotadd) a disk(or a partition) to > this array ,how can i make an reshape command correctly? > i have read the help of mdadm ,but i still can't find the correct > command format! > please do me a favor! > thank you ! > dragon > - > 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 - 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
