[mythtv-users] Linux software raid question
Carl L. Gilbert
clg-social at rigidsoftware.com
Wed Jun 4 18:40:05 UTC 2008
I have a 3ware RAID card. It cost me about $150. Its a PATA card and I
don't know what the SATA version costs.
I did not buy it to offload work from my CPU. I bought it for
simplicity of managing failures and replacement. Its so much more
pleasant that software RAID that its not even comparable.
On Tue, 2008-06-03 at 20:54 -0600, Matt Nelson wrote:
> That's easy to say Carl, but in practice you are looking at a $700.00
> for a card that I would trust with my data. I'm not saying that I
> have not thought about it since having it take care of the parity
> calculations would take a load off of my machine, but still thats
> enough money to buy 3 decent 1TB drives.
>
> http://www.newegg.com/Product/Product.aspx?Item=N82E16816116056
>
> On Tue, Jun 3, 2008 at 8:42 PM, Carl L. Gilbert
> <clg-social at rigidsoftware.com> wrote:
> On Tue, 2008-06-03 at 17:41 +0200, Boleslaw Ciesielski wrote:
> > Matt Nelson wrote:
> > > On one of my mythtv backend servers I host my fileserver
> that stores all
> > > of my media on two raid5 sets totaling 12 drives that are
> all attached
> > > via sata. These are all attached externally, and that is
> where my
> > > question lies, if I connect these drives incorrectly will
> my raid sets
> > > die, or does it not matter where they are connected since
> there is some
> > > metadata that tells the linux software raid that it
> belongs to a certain
> > > raid set?
> >
> > Yes, Linux software RAID will work regardless of the drive
> order. Your
> > only order concern is the boot drive.
> >
>
>
> No, this is not guaranteed. It depends on the distro and how
> the drives
> are referenced. I think more recent distros should work. But
> I know
> for a fact that older ones would not. Like old Redhat
> versions where I
> first cut my teeth on RAID.
>
> Anyway, just step up to hardware RAID and don't even think
> about it
> anymore.
>
>
>
>
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