ProLiant Servers - Netservers

SAS/SATA Drive Mixing

 
David Stergo
Occasional Contributor

SAS/SATA Drive Mixing

I am supporting an ML310 G4. This has an HP supplied RAID controller but seems to be an LSI SAS3442E. This is hosting 2 146GB SAS drives in a RAID1 Configuration and 2 500GB SATA Drives in RAID1 configuration. I have installed LSILOGIC Megaraid Storage Manager as SAM will not see this particualr controller and one of the messages that I get is "WARNING Controller ID:0 SAS/SATA mixing is not supported in this enclosure. Most of the literature I have read from HP says that this is completely OK yet I am experiencing random server freezes. Nothing in the even logs and many things seem to point to disk behavior. I have read a great deal about not mixing SAS and SATA Drives in the same enclosure. Note These drives are not in the same array, just the same enclosure and are all HP supplied equipment. Can anyone assist?