https://community.hpe.com/t5/disk-enclosures/dual-netraid-4m-controller-on-a-single-server/m-p/2554662#M2319 In general, there is no problem having multiple hardware RAID controllers in a single server so that part should work fine for you.<BR /><BR />If I understand your question you want each controller to have it's own array of disks, but the two arrays will be mirrored?<BR /><BR />You can do that with software mirroring but I don't believe there is a way to do the mirroring in hardware. Windows NT ftdisk.sys will give you the software mirror but the performance hit will be substantial.<BR /><BR />HTH, <BR />Paul Tue, 24 Jul 2001 16:45:42 GMT Paul R. Dittrich 2001-07-24T16:45:42Z https://community.hpe.com/t5/disk-enclosures/dual-netraid-4m-controller-on-a-single-server/m-p/2554661#M2318 hi All,<BR /><BR />I would like to configure dual Netraid 4M on a single LH6000 server and have the two controllers mirror the array(s) which I will create on two RS12 boxes.<BR /><BR />Is this configuration do-able and how do you approach this?<BR /><BR />Thanks. Thu, 19 Jul 2001 07:45:02 GMT https://community.hpe.com/t5/disk-enclosures/dual-netraid-4m-controller-on-a-single-server/m-p/2554661#M2318 ML Chin 2001-07-19T07:45:02Z https://community.hpe.com/t5/disk-enclosures/dual-netraid-4m-controller-on-a-single-server/m-p/2554662#M2319 In general, there is no problem having multiple hardware RAID controllers in a single server so that part should work fine for you.<BR /><BR />If I understand your question you want each controller to have it's own array of disks, but the two arrays will be mirrored?<BR /><BR />You can do that with software mirroring but I don't believe there is a way to do the mirroring in hardware. Windows NT ftdisk.sys will give you the software mirror but the performance hit will be substantial.<BR /><BR />HTH, <BR />Paul Tue, 24 Jul 2001 16:45:42 GMT https://community.hpe.com/t5/disk-enclosures/dual-netraid-4m-controller-on-a-single-server/m-p/2554662#M2319 Paul R. Dittrich 2001-07-24T16:45:42Z