https://community.hpe.com/t5/windows-server-2003/hot-pluggable-u320-disk-drives/m-p/3413531#M1237 This will depend on they type of controller and OS that you are using but check out OCE (Online Capacity Expansion). Wed, 24 Nov 2004 07:00:25 GMT Kristopher Hornsleth 2004-11-24T07:00:25Z https://community.hpe.com/t5/windows-server-2003/hot-pluggable-u320-disk-drives/m-p/3413530#M1236 I have added a U320 hot pluggable disk drive to my ML 350 G2 server and want to add it to the the array that is already set up. Can I accomplish this without breaking the array and losing the data?<BR /> Tue, 02 Nov 2004 20:35:01 GMT https://community.hpe.com/t5/windows-server-2003/hot-pluggable-u320-disk-drives/m-p/3413530#M1236 Jeff Thoenen 2004-11-02T20:35:01Z https://community.hpe.com/t5/windows-server-2003/hot-pluggable-u320-disk-drives/m-p/3413531#M1237 This will depend on they type of controller and OS that you are using but check out OCE (Online Capacity Expansion). Wed, 24 Nov 2004 07:00:25 GMT https://community.hpe.com/t5/windows-server-2003/hot-pluggable-u320-disk-drives/m-p/3413531#M1237 Kristopher Hornsleth 2004-11-24T07:00:25Z