I test Redhat AS 47-x86_64. It was no problem. I check dmesg , the "Initializing USB Mass Storage" after SAS device. But in sl46 "Initializing USB Mass Storage" before SAS device. Yan Xiaofei : > When I install sl46 or sl47 x86_64 on Dell M600e blade ,and enable LVM > partition. > The harddisk will started as /dev/sdb. If i did not use LVM. It was no > problem, and started as /dev/sda. > I check the dmesg the scsi0 was assign to USB Mass Storage. But i did > not install any usb storage device. > > I test sl53-x86_64, it was ok. >