One point. Hardware raid (and faux hardware raid) provides real hot swap with on-the-fly rebuilds. Linux software raid can't (yet).
umm. That's surprising. My software raid arrays running on dell powervault 221s scsi boxes with adaptec 39160 controllers are hotswappable and when I put in a new disk and add it to the array it resyncs on the fly.
Are you just talking about ide-based raid?
Yes. ATA and SATA raid (Which is the majority of low budget linux software raid stuff) I realise scsi is hotswap. It comes with the turf.
I would find it pretty hard to justify the expense of scsi for my 7 drive 1.4TB low speed array (Low speed because I never *need* more than about 2MB/s in any direction but I need heaps of space)
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