[mythtv-users] USB Hard Drive Lifespans and power usage question

James Crow james at ultratans.com
Mon Aug 4 21:23:24 UTC 2008

On Mon, 2008-08-04 at 14:03 -0700, Steve Peters - Priority Electronics
> >
> >
> >> I have mine set to 20 mins ie -S240
> >>
> >> To check that status of the drive use the C option.
> >>
> >With 20 minutes do you notice any reduced lifespans with your drives.
> >I believe that would be hard to determine though. My concern is years
> >ago the biggest cause of hard drive failure that I saw at work was
> >drives failing to spin up. This is the reason I set mine to 5 hours.
> >
> >John
> >_______________________________________________
> So after finding hddtemp, I was able to get the temps of my drives, but only
> the internal ones:
> Internal Drives
> /dev/sda: ST3500830A: 53C
> /dev/sdb: ST3750640AS: 54C
> /dev/sdc: ST3750640AS: 63C
> USB External Drives
> /dev/sdd: ST3120814A: S.M.A.R.T. not available
> /dev/sde: ST3500630AS:  drive supported, but it doesn't have a temperature
> sensor.
> /dev/sdf: ST3500830A:  drive supported, but it doesn't have a temperature
> sensor.
> Drive /dev/sdc was doing some heavy file copying/backups from one of the usb
> drives, so it's temp is way higher than the others. The others 2 internal
> ones sda and sdb are sitting there idle.
> Does this temp seem way to high for hard drives? I have had sda and sdb for
> over a year now and have not encountered any issues, but I just want to make
> sure I'm not killing these drives with these temps. What kind of temps do my
> fellow myth users encounter?
> -Thanks
> -Steve
Here are my temps:

mythfront:~$ sudo hddtemp /dev/sda
/dev/sda: ST3500630AS: 48C
mythfront:~$ sudo hddtemp /dev/sdb
/dev/sdb: ST3500630AS: 51C

and from my main desktop:
desktop:~$ sudo hddtemp /dev/sda
/dev/sda: WDC WD2500YD-01NVB1: 32C
desktop:~$ sudo hddtemp /dev/sdb
/dev/sdb: ST3400620AS: 45C

and my work desktop:
work:~$ sudo hddtemp /dev/sda
/dev/sda: SAMSUNG SP2504C: 39C
work:~$ sudo hddtemp /dev/sdb
/dev/sdb: Maxtor 6Y160M0: 54C

Any USB connected drives fail to return any information about


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