yes, it can be done.  You would create a RAID 0 for the OS on one drive, and your data can be on a RAID 5 on the remaining drives.  Just remember, there is no redundancy on the RAID 0 if the drive crashes.  Regards,
Hi all, I have some questions regarding HDD configuration on Dell PowerEdge R610. Is it possible to use 1 SAS (146Gb) as OS partition and 3 SAS (2x600Gb) as data partition. Or another alternative 1 SAS (146Gb) as OS partition and 3 SATA (3x1TB) as data partition.  thanks  Kimi
HDD configuration on Dell PowerEdge R610