[LinuxUsers] Dual RAID Controllers

[Trevor Benedict]

Yes I know thats possible with software raid. I was looking for a 100%
hardware solution. I guess if you want to go HA, you have the money to blow
on mirrored hardware, and all the work behind it.


On Mon, Aug 10, 2009 at 1:54 AM, Jason Burris <spidey at oldskool.com> wrote:

> Just build your own system with dual controllers.  Setup each raid
> controller as a 0, 5 or 6 based on your needs and then use linux to
> create a software mirror between the two.  Try to have extra drives on
> each controller for hot spares.  Pick a chassis with dual power
> supplies, hot swapable would be nice.  If you need redundancy for the
> MB you really need a second chassis.  Or for a single chassis that has
> two mother boards, check this one out.
> http://www.supermicro.com/products/chassis/1U/?chs=809
> We have used these in certain situations where we needed to increase
> the density of a rack.
>
> :wq!
> jason
>
>
>
> On Mon, Aug 10, 2009 at 1:33 AM, Trevor Benedict<mrecho at gmail.com> wrote:
> > I was just having a conversation in the irc about RAID.
> >
> > Does anyone know of a hardware raid system that would have (in the same
> box)
> > 2 raid cards, and it act like a RAID 1 or 1+0 or even a RAID 5/6? Same
> > mobo/cpu.
> >
> > I would think someone like 3ware would have such a thing. This way you
> don't
> > have to have a 2nd xU mirror, and have to do "real time" replication, and
> IP
> > stuff.
> > Linux does support hotswap pci-e. I guess the single point of failure is
> the
> > mobo and such.
> >
> > I only bring this up because I had a 3ware card fail on me last Monday.
> It
> > was a MySQL master.
> >
> > Thanks,
> > -- Trevor Benedict
> >
> >
> > _______________________________________________
> > LinuxUsers mailing list
> > LinuxUsers at socallinux.org
> > http://socallinux.org/cgi-bin/mailman/listinfo/linuxusers
> >
> >
> _______________________________________________
> LinuxUsers mailing list
> LinuxUsers at socallinux.org
> http://socallinux.org/cgi-bin/mailman/listinfo/linuxusers
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://socallinux.org/pipermail/linuxusers/attachments/20090810/ff189b6e/attachment.htm>