https://community.hpe.com/t5/disk-enclosures/cluster-disk-array-expansion/m-p/2995434#M8715 A giant undertaking but possible. You could replace them one at a time, in some downtime, allowing the rebuild between each. One a night is always good. At the end you will the free space the 72GB drive addition provides. Or backup and restore may be more suitable for you. Fri, 13 Jun 2003 11:40:49 GMT e4services 2003-06-13T11:40:49Z https://community.hpe.com/t5/disk-enclosures/cluster-disk-array-expansion/m-p/2995433#M8714 I have two ML530 servers and a RA4100 disk array. The array is split into 5,3 and 2<BR />disk volumes.<BR />The existing disks are 18.2 gig, I would like to replace these with 72 gig drives.<BR />The server is used for file, print and exchange 2000.<BR />OS is win2000 server. Thu, 12 Jun 2003 07:12:47 GMT https://community.hpe.com/t5/disk-enclosures/cluster-disk-array-expansion/m-p/2995433#M8714 Iain Hamilton_4 2003-06-12T07:12:47Z https://community.hpe.com/t5/disk-enclosures/cluster-disk-array-expansion/m-p/2995434#M8715 A giant undertaking but possible. You could replace them one at a time, in some downtime, allowing the rebuild between each. One a night is always good. At the end you will the free space the 72GB drive addition provides. Or backup and restore may be more suitable for you. Fri, 13 Jun 2003 11:40:49 GMT https://community.hpe.com/t5/disk-enclosures/cluster-disk-array-expansion/m-p/2995434#M8715 e4services 2003-06-13T11:40:49Z