dear Geoff P ,
thanks for your quick reply
let me confirm with you
1-- ( Dell SAS 5I Raid Controller UN939 - UCS51 ) not compatible with poweredge t110 ????????
2-- to make 4 sata hard disk 4 TB ( every one of them 1 TB ) raid 1 to be 2 tera i can use one raid controller from the following :
JW063 -- SAS Controller Card, SAS6/IR
U039M -- Foxconn Controller Card, PERC-H200, Adapter
U558P -- PERC PCI-E Controller Card, S300, Adapter
KK67X -- Controller Card, 512M, PERC-H700-I, NVD
??????????????????