sony-vaio-z-series team mailing list archive

[Xavier Hallade <xh@xxxxxxxxxxx>]

What I was trying to say was that the raid0 used in the new vaio z is not
between physical separated drives but between drives that are in the same
physical package.
http://forum.notebookreview.com/showthread.php?t=471811
It's why I think the typical argumentation against raid0 isn't valid ;)

2010/3/30 Peter Fern <sonylinux@xxxxxxxxxxx>

> On 30/03/10 18:20, Xavier Hallade wrote:
> > I don't think a LVM will be more safe as raid0 in this case.
>
> As I said, there will still be some difficulty in recovering data, but
> it is possible, and the data on the non-failed disk will remain intact,
> unless there is significant fragmentation.  As I suggested though, the
> best option is RAID10 (or RAID5), or easier - just treat the disks as
> individual volumes.
>
> > The two or four drives are on the same circuit so I can't see how a
> > single drive could fail.
>
> Because drives... fail??  Not all drives are created equal.  And I have
> no idea what you mean by 'same circuit', or how this affects drive
> reliability.
>
> > If there is a problem on that proprietary ssd, no matter the raid,
> > everything will be lost.
>
> Huh?  That's what parity RAID is about - allowing for single or multiple
> drive failure without loss of data or uptime.
>
> Pete.
>
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