[ ... ] > My concern is that even if I solve *this* bottleneck (ie, the > 530 model SSD being too busy), that there will be another > bottleneck afterwards There is always another bottleneck ;-). [ ... ] > I'm not sure, but I think I've had one of the 480GB drives > fail, and 3 of the smaller 60GB and 80GB drives fail. So far, > only the 480G failure was "catastrophic", the others were > still operating . All were replaced by Intel. [ ... ] When flash SSD drives run over their "expected" write amount they behave differently: http://www.sabi.co.uk/blog/15-one.html#150406b Intel flash SSDs apparently do the following: * They switch immediately to read-only. * On the next power up they refuse even to *read*. BTW, as to the Samsung SM863 there is a relatively recent "group test" here: http://www.storagereview.com/samsung_sm863_ssd_review The average and max latency graphs are interesting, especially those under "Preconditioning Curve". -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html