On Tuesday 26 September 2017 11:41:22 Bhasker C V wrote:

> Hi,
>
>   I have Seagate backup plus external USB 3.0 HDD and by default hdd
> temp does not show the hdd temperature
>
>
> $ sudo hddtemp /dev/sda
> /dev/sda: Seagate BUP BK: S.M.A.R.T. not available
>
>
> However if I use this:
> $ sudo hddtemp SATA:/dev/sda
> /dev/sda: : 42°C
>
You  normally need root to access this stuff. I get, for a new $50 disk 
plugged into a ubs3 port on a rock64 I am building up to run a lathe:

root@rock64Sheldon:/usr/share/man# hddtemp SATA:/dev/sda
/dev/sda: ST1000LM035-1RK172: 31 C

According to dmesg:
[ 2401.535406] usb 5-1: new SuperSpeed USB device number 2 using xhci-hcd
[ 2401.558458] usb 5-1: New USB device found, idVendor=0bc2, idProduct=ab24
[ 2401.570182] usb 5-1: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[ 2401.582057] usb 5-1: Product: BUP Slim BK
[ 2401.586338] usb 5-1: Manufacturer: Seagate
[ 2401.590280] usb 5-1: SerialNumber: NA9DMT6T
[ 2401.617172] usbcore: registered new interface driver usb-storage
[ 2401.628700] scsi host0: uas
[ 2401.634805] scsi 0:0:0:0: Direct-Access     Seagate  BUP Slim BK      0304 
PQ: 0 ANSI: 6
[ 2401.634974] usbcore: registered new interface driver uas
[ 2401.645069] sd 0:0:0:0: [sda] Spinning up disk...
[ 2402.650332] ...ready

> I tried to read through the manual to find out how to specify the type
> in the hddtemp.db but there doesnot seem to be any way I could find.
> I added this line in vain.
> "Seagate BUP BK"                        190 C "Seagate BUP BK"
>
> Is there a way to monitor hddtemp on this hdd ? If there is any other
> alternative to hddtemp .. please do tell me
>
> thanks
> Bhasker C V

See above, you must be root


Cheers, Gene Heskett
-- 
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-Ed Howdershelt (Author)
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