hardware RAM disk

[matt-urrlRJtNKRMsHrnhXWJB8w at public.gmane.org (Matt Shields)]

On Tue, May 12, 2009 at 2:51 PM, Jerry Feldman <gaf-mNDKBlG2WHs at public.gmane.org> wrote:

> On 05/12/2009 02:10 PM, Richard Pieri wrote:
>
>> On May 12, 2009, at 2:25 AM, Tom Metro wrote:
>>
>>
>>> Should be faster than a Flash-based solid state drive. The  manufacturer
>>> claims "IOPS 130,000 per SATA port."
>>>
>>> So what would *you* use it for? A ZFS write cache, perhaps?
>>>
>>>
>>
>>
>> Personally, I wouldn't.
>>
>> Professionally, anything that requires extremely high burst write  speeds.
>>  Database translogs for example.
>>
>>
>>
> Rich,
> Could you elaborate. Right now I think the jury is still out on these
> devices. Personally, back in then 1970s I was under the impression that
> magnetic disk drives were on the verge of being replaced, but they never
> came up with a decent reliable technology and price per byte. Now, with
> netbook type devices, blades, space, density, power management, and heat, I
> think there is pressure on the drive makers to come out with solid state
> replacements for mechanical drives. Whether this is just wishful thinking or
> reality I don't know.
>
> Certainly there is a significant difference in the requirements of a
> portable device, such as a netbook or laptop than there is for a high
> density data center.
> Here is 1 URL: http://www.ramsan.com/products/ramsan-500.htm
> But since it comes out of Texas I expect a higher amount of bullshit :-)
>
> --
> Jerry Feldman <gaf-mNDKBlG2WHs at public.gmane.org>
> Boston Linux and Unix
> PGP key id: 537C5846
> PGP Key fingerprint: 3D1B 8377 A3C0 A5F2 ECBB  CA3B 4607 4319 537C 5846
>
>
>
>
If anyone is interested I have 4 RAMSAN 320's for sale.  I believe each has
64GB of physical memory, multiple fiber ports, 3 hard drives (for live
backup) and 2 or 3 (can't remember) internal batteries for writing out the
last bits before you lose power in case of power outage.

-matt
http://www.sysadminvalley.com
http://www.beantownhost.com
http://www.linkedin.com/in/mattboston
Don Marquis <http://www.brainyquote.com/quotes/authors/d/don_marquis.html>
- "Procrastination is the art of keeping up with yesterday."