I checked with one of the lab people and he said that he has done this in the past without issues, but the lab is not production. He just put the drive into an unused slot, then created a new raid group that included the drive. He said you could try creating a hot spare and the hot spare LUN with the new drive to see what happens or just create a single disk raid 0 and do the same thing - create a LUN using all the space.  glen
i'm planning to do something quite strange with my vault disks, but i'm not sure if it will work.  we have two CX4 systems. One of them will be replaced by a VNX and i'd like to reuse FC disks of the CX4 which will be replaced and put them all in the remaining CX4. However, 4 of those drives i want to relocate, are vault drives.  I dont really care about the CX4 being useless without vault drives, but i do like to know what would happen if i would put those vault disks in the empty slots of another CX4?  Anyone knows what will happen and if i can make that even work at all?  thank.
formatting and reusing CX4 vault drives