Small business backups solutions?
Tom Buskey
tom at buskey.name
Wed Feb 6 11:04:49 EST 2008
On Feb 5, 2008 6:23 PM, Ben Scott <dragonhawk at gmail.com> wrote:
> On Feb 5, 2008 6:11 PM, Bill McGonigle <bill at bfccomputing.com> wrote:
> > e.SATA lets you use S.M.A.R.T so you can know if a drive is ailing.
>
> s/can/might/
>
> I've discovered SMART isn't always that smart. I've had drives
> which were actively returning media errors to the host adapter, and
> were then unable to complete the smartctl tests successfully, still
> report their overall SMART health status as good. I imagine this
> varies with manufacturer/drive/firmware/weather/etc.
>
> Just an FYI. Better to have SMART than not, for sure.
Google had a white paper on drive reliability and SMART awhile ago. A week
before that there was another by CERN? They both said SMART was not a
reliable indicator of failure. They also didn't find much difference in the
reliability of SCSI vs IDE/SATA.
FWIW I dropped a laptop & started getting lots of SMART errors. I put a new
drive in the laptop and put the failing drive in an external USB case for
shuttling data. I haven't gotten any errors from the drive since, but I'm
not using it as much either.
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