Re: [gentoo-user] smartctrl drive error @60%

[J. Roeleveld]

On Tuesday, July 01, 2014 11:06:59 AM Helmut Jarausch wrote:
> On 07/01/2014 10:58:45 AM, Dale wrote:
> > Helmut Jarausch wrote:
> > > On 07/01/2014 10:30:44 AM, Dale wrote:
> > >> I been wanting to get me something external but hadn't got around
> >
> > to
> >
> > >> looking yet.  I didn't know they have a SATA version.  I plan to
> >
> > avoid
> >
> > >> USB if I can.  From my understanding, eSATA can be hotplugged and
> >
> > I have
> >
> > >> a couple of those connections.
> > >
> > > I 'believe' that eSATA is dead - just look how few products are
> > > available.
> > > I have 3 USB-3 drives which are very fast (more than 100 MB/sec) and
> > > if your motherboard doesn't have an USB-3 adapter, yet, it's very
> >
> > cheap.
> >
> > > Helmut
> >
> > I do have a few USB3 connectors.  I just figured USB would be a good
> > bit
> > slower.  Plus, can USB power a 3.5" hard drive nowadays?
>
> Probably not. All of my external USB3 disks have a separate power
> supply.

I only know of 2.5" USB-drivers that are powered via the same USB-cable.
Never seen 3.5" ones that are USB-powered.

I use 2.5" drives for my backups, as they are designed for laptop use, I have 
the feeling they are a bit more robust when it comes to accidental bumps.

> > root@fireball / # hdparm -tT /dev/sdb
> >
> > /dev/sdb:
> >  Timing cached reads:   6604 MB in  2.00 seconds = 3303.39 MB/sec
> >  Timing buffered disk reads: 542 MB in  3.01 seconds = 180.33 MB/sec
> >
> > root@fireball / #
>
> Try a real life example like dd. I have seen the above mentioned speed
> on disks with a file system on it which does limit the speed anyway.

+1

--
Joost