[mythtv-users] Need advice re: expand/replacement storage

[Joseph Fry]

> > > AFAIK, SATA is all interoperable - the end of each link negotiate for
> the highest speed they both support and run at that. If the drive does
> 6Gbps and your controller is limited to 3Gbps, then they will negotiate and
> run at 3.
> > >> >  I am considering adding a 2TB WD disk to my system (WD2002FAEX).
> > > Then the partitioning problems do not apply. As already mentioned, you
> should start your partitions at a multiple of 8 'sectors', while fdisk will
> default to starting at 63. Since I think all large drives now use 4k
> sectors on the disk, such a mislignment affects performance.
> > > -- Simon Hobson
> > For what it's worth, I recently replaced my WD 2TB drive with another WD
> > 2TB drive (WDC WD2003FYYS-02W0B1) and it has 512 byte sectors.  I used
> > fdisk to partition it (one partition).  The previous 2TB drives that
> > this replaced had failed (WD2001FASS-00U0B0 and WD2001FASS-00W2B0).
> >
> > Jay
> >
> AFAIK fdisk does not support GPT partitioning & does not default to
> correct alignment.


> The stock disk tools in *buntu 12.04 are not up to the job either.
> It is easy enough to build latest stable "gparted" from source on Ubuntu
> 12.04 & 10.04.
>

sudo apt-get install gdisk.  No need to build gparted.


>
> The "idle3-tools" let you increase the idle-head-park on the WD HDD
> green drives.
>
> My incorrectly aligned WD EARX 2TB green (ext4) ran about 30% slower.
>
>
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