Timothy Selivanow schrieb: > I'm looking at buying a NORCO DS-1220 and it comes with a NORCO 4618 > PCI-X card (4 port eSATA, with a port multiplier on the card or the > chassis). I've been trying to pin down whether or not CentOS will see > all 12 drives, and I haven't seen anything that is definitive. I see > that the kernel module sata_sil24 supports the SiI3124 chip on the NORCO > 4618 card, but I haven't found whether or not the default kernel will > support the SiI3726 (PMP) without the libata-tj patch. > > I'm just trying to determine the easiest route to go with minimal cost. > I've found another enclosure that uses 4 mini-SAS connectors, but in > addition to the extra $320 for the enclosure, I'd need to buy a $300 > card and at least one $120 cable (either SFF-8088 to SFF-8470 or a > straight SFF-8088). While this is for at home, I would consider this a > "mission critical" device and don't want a flakey setup, which is what I > have now...I've become an expert at recovering from a 2 drive failure in > a 4 drive RAID5 setup using mdadm. > > Any ideas, suggestions, or authoritative comments? > > > --Tim AFAIK the RHEL5 kernel does not support the SiI3726 PMP. I'm running PMP with kernel 2.6.23.1 and the libata-tj patch. The forthcoming 2.6.24 has PMP natively. HTH, Kay