[mythtv-users] Fastest RAID for HD?

[Steven Adeff]

On Tue, Sep 2, 2008 at 11:44 AM, Roger Heflin <rogerheflin at gmail.com> wrote:
> Steven Adeff wrote:
>> On Thu, Feb 14, 2008 at 3:15 PM, J.D. <mythtv at demuth.homelinux.org> wrote:
>>> All people responding have good points but often seem to have differing
>>> goals. Let's discuss those in more depth.
>>>
>> <snip>
>>> - USB/Firewire: well, the connector limits the total throughput. Speed
>>> ok to run small setups (1-2 concurrent recordings, interface limits top
>>> speed, sometimes bandwidth needs to be shared with other USB/firewire
>>> devices). Good for permanent storage, very flexible in that you take it
>>> and plug it into another machine (take your archive along with your
>>> laptop?). Turn it off if you don't need it and save energy.
>> <snip>
>>
>> J.D., and others,
>>
>> I've got a 6 drive RAID5 array (for redundancy, not speed) on my main
>> frontend I use for long term storage. I'd like to move this to my
>> backend which is in the basement; and thus no concerns with noise or
>> heat, and will let me shut the frontend off while allowing the other
>> computers in the house access to this array since the backend never
>> turns off.
>> the problem of course is, the backend already has its own 6 drive
>> array for recordings, so I need some sort of external solution, the
>> only things I can find are the very expensive back plane type devices
>> that, while being able to hold 6-12 drives would cost more than just
>> building a second computer down there.
>>
>> So I'm thinking I could just buy six external drive enclosures, either
>> USB or Firewire, and install the drives in those.
>>
>> Has anyone done anything similar to this, and if so, what is your experience?
>> Does anyone else have any other suggestions that I may not have thought of?
>>
>> Thanks!
>
>
> Here is a suggestion.
>
> There are some cases out there that have 9 external 5.25" bays, such as the
> Coolermaster Centurian 590 or the Thermoltake M9 (both cost about $70), and with
> 9 external 5.25 bays, you could put in 2 5-into-3 drive mount chassis you could
> have 10 sata drives in the machine, and still have room for one more 5 into 3 or
> a 3-into-2 drive mount and still have a 5.25" slot, and get all of the drives in
> a single chassis.     Both cases also have at least 1 more hidden 3.5" drive
> mount location, and appear to claim to come with a single 4-into-3 non-hot swap
> cage.
>
> I don't have either one of these cases yet, but either one looks like a decent
> reasonably cheap solution for a lot of disks in a single chassis without going
> to the enterprise class solutions that cost a lot more.