External SATA drives
Some material is very old and may be incorrect today
© December 2004 Tony Lawrence
Lacie is now offering an external SATA drive bundled with a PCI card for Windows and Mac. They are hardly the first to do so, but it seems curious to me that Lacie seemingly continues to ignore Linux. This made have made sense before OS X, but how hard can it be to add support Linux when you've already done OS X? OK, I know it isn't necessarily just dead simple, but Linux progress in the whole SATA hard drive area seems to be doing fine. So why does Lacie continue to ignore Linux?
Will SATA drives replace SCSI? Possibly. In theory, at least, multiple SATA disks have higher throughput than multiple SCSI drives because they aren't sharing a bus until they get back to the PCI card that's driving them. There's a discussion of SATA RAID over at Tom's Hardware that covers that. SATA can also be less expensive.
When reading about performance, watch out for Mb vs. MB. It's easy to look at SATA 150 MB/s and compare that to (for example) USB at 480 Mbps and forget that the "b" is bits and the "B" is bytes. SATA drives are fast little puppies.
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