On 19 June 2016 at 19:57, Gareth France <gareth.fra...@cliftonts.co.uk> wrote:
> I have a dual hard drive setup in my laptop thanks to a secondary cradle > where the DVD rom should be. I have decided to replace my primary hard > drive as it is virtually dead. I have installed the new drive in the > secondary caddy and begun to copy my home directory in it's entirety across > to the new drive. > > The old drive installed here was sdb and my primary drive sda, weirdly > though now my primary is sdb and this new one is sda. I decided while > waiting for the copy to complete I would have a nose around in the Disks > utility. Firstly I was surprised to see that apparently both drives were > exactly the same make and model. Something fishy is surely going on there! > > Both drives have exactly the same SMART data, showing a pre-failure > condition. In summary it appears that Disks is displaying two copies of my > primary drive, rather than the genuine data for my second drive. > > Where might I report this? And before I remove my primary drive and move > on to installing Ubuntu is there anything I should do to gather data n this > issue? > > Try using smartctl from the command line - smartctl -a /dev/sda or /dev/sdb should give you the correct data. The drive device is mutable as scanning is done at that hardware level so if you have more than one disk the only reliable identifier is the serial number. I've noticed this sort of thing with Disks before and it does only seem to be reliable with a single fixed disk device - I suspect it may cache fixed disk data and adding a new disk which has recreated the devices may confuse it. The other option is that your existing disk has failed or has stopped responding to smartctl, so testing from the command line should show the correct state. s/ -- Twitter: @sfgreenwood "TBA are particularly glib"
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