[CentOS] Recommendations for a “real RAID" 1 card on Centos box
Toby Bluhm
tkb at MidwestInstruments.com
Fri Mar 14 13:34:16 UTC 2008
Toby Bluhm wrote:
> Therese Trudeau wrote:
>>>> You can turn on write back caching if you have a UPS as well
>>>> (provided your UPS is wired into your system for a graceful shutdown)
>>>>
>>> Hopefully you have a redundant PS unit. Having a UPS is not going to
>>> help if your PS fails.
>>>
>>
>> That's a very good point never thought of that. Acrtually this RAID
>> 1 setup I'm planning
>> is for my desktop machine, problem is is's not built like a server so
>> there is not the traditional slid in bay for a second PS as do many 1
>> and 2u rack servers have. Unless there is some
>> specialty product available that somehow fits in to a tower case.
>> Could you reccomend a redundant PS for a desktop machine (if they
>> exist)?
>>
>>
>
> The whole system needs to be designed for dual supplies. You can't
> just plop down two power supplies in parallel without some circuitry
> that attempts to monitor & balance them out.
>
>
> I'm curious - why does your desktop needs so much redundancy ?
>
>
Just for fun, the first hit on a google for "redundant atx power supply"
http://www.directron.com/tc400r8.html
Seems you can just plop one into your std atx chassis . . .
--
Toby Bluhm
Alltech Medical Systems America, Inc.
30825 Aurora Road Suite 100
Solon Ohio 44139
440-424-2240
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