Suggestions for a 10-20TB linux compatible storage array ?

[Dave Cramer]

Thanks for all the answers. I'll let you know what the customer decides....

All in all the whole concept of a budget 20TB storage array doesn't make
much sense.



Dave Cramer


On Thu, Feb 28, 2013 at 11:49 PM, Mark Lane <lmlane-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org> wrote:

> On Thu, Feb 28, 2013 at 11:30 PM, Anthony de Boer <adb-SACILpcuo74 at public.gmane.org> wrote:
> > Lennart Sorensen wrote:
> >> Software raid required a competent admin.
> >
> > I'm told that even hardware raid requires someone more clued than the
> > datacentre simian who, on finding no written procedure to deal with a
> > server that had started beeping, stuck a screwdriver in the beeper so
> > it'd stop bothering them.
> >
> > Naturally, all this didn't come out until the screaming from HQ that
> > accompanied the departure of that box from the network due to the
> > eventual failure of the other drive.
> >
> > To that I can add the story of starting at a past new job and being told
> > to use such-and-such a server, it's spare, for my first deployment, and
> > after finding it had two dead drives in it eventually cornering somebody
> > with the above about-a-year-ago story who realized it was that same box
> > sitting in the rack abandoned as-was.
> >
> > --
> > Anthony de Boer
> > --
> > The Toronto Linux Users Group.      Meetings: http://gtalug.org/
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>
> I use to design and sell NAS systems for a Living. The best way to go
> is get a 3U or 4U rackmount chassis with enough hot-swap bays for our
> size of array. You will need raid cards for sure because the onboard
> raid won't support all the drives you need nor will it be good enough.
> We use to use 3ware Cards but LSI is no longer developing them so
> while still available, they do provide the performance that RAID
> controllers. The last time I looked at raid controllers, I noticed the
> LSI sells SAS raid controllers, This is not an issue because the SAS
> controllers actually support both SAS and SATA Drives.
>
> I would get a server quality motherboard but the processor(s) don't
> have to be great. You will want make sure you have enough memory to
> serve you the files how planning to do so. I believe there's a formula
> for how much memory your need for each NFS client. Networking will be
> your bottle neck. If you are just serving one computer, you just put a
> 10GigE controller in each machine. If you are serving multiple
> machines, I would suggest getting just 10GigE controller and the GigE
> switch with a 10G uplink port.
>
> All in All there must be someone around who still makes these custom boxes.
> --
> Mark Lane <lmlane-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org>
> http://2100computerlane.net
> --
> The Toronto Linux Users Group.      Meetings: http://gtalug.org/
> TLUG requests: Linux topics, No HTML, wrap text below 80 columns
> How to UNSUBSCRIBE: http://gtalug.org/wiki/Mailing_lists
>
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