No, I don't intend to use SATA either. By the time I move from ATA/133 (which is just as fast), it'll probly be to PCI Express. For my reasons, search the archive for this list, Google or the lkml. I think you'll find that SATA sux. Driver support in the kernel is just one of the issues.
PCI Express is just another backplane bus, like PCI, Microchannel, etc. It is not a hard disk controller, so you'll still need SCSI, SATA or PATA. Thanks for the pointers, though, for the resources that describe Linux's trouble with SATA. I'm currently planning a new system with dual Opterons. I'm tired of paying through the nose for SCSI, so was thinking of going SATA RAID with a set of Western Digital Raptor 74 GB. Does even 2.6 have trouble with SATA? Will hiding it behind a RAID card change the picture at all? 3Ware has Linux drivers.
-- Guy Rouillier
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