https://community.hpe.com/t5/hpe-proliant-servers-ml-dl-sl/hardware-disk-raid-5-dl-380-g5-hot-swap/m-p/5979239#M134867 No.<BR />The drive has to be at least the same size as the one you replace.<BR />If you replace the drive with a smaller capacity, nothing will happen. Thu, 28 Feb 2013 13:34:14 GMT Jørgen Olesen 2013-02-28T13:34:14Z https://community.hpe.com/t5/hpe-proliant-servers-ml-dl-sl/hardware-disk-raid-5-dl-380-g5-hot-swap/m-p/5979225#M134866 <P>HI I have a server with 2 logical drives, one of them as 4 disks of 146 gb sas. But one of them is failing in the log of smart start. I have stock of 72 gb sas. Can I replace the disk 146 gb failed with 72 gb, what can happen?</P><P>thanks, regards.</P> Thu, 28 Feb 2013 13:23:47 GMT https://community.hpe.com/t5/hpe-proliant-servers-ml-dl-sl/hardware-disk-raid-5-dl-380-g5-hot-swap/m-p/5979225#M134866 peterTuk 2013-02-28T13:23:47Z https://community.hpe.com/t5/hpe-proliant-servers-ml-dl-sl/hardware-disk-raid-5-dl-380-g5-hot-swap/m-p/5979239#M134867 No.<BR />The drive has to be at least the same size as the one you replace.<BR />If you replace the drive with a smaller capacity, nothing will happen. Thu, 28 Feb 2013 13:34:14 GMT https://community.hpe.com/t5/hpe-proliant-servers-ml-dl-sl/hardware-disk-raid-5-dl-380-g5-hot-swap/m-p/5979239#M134867 Jørgen Olesen 2013-02-28T13:34:14Z