RE: [CentOS] Recommendations for a “real RAID" 1 card on Centos box
Therese Trudeau
mswotr at hotmail.com
Fri Mar 14 13:55:44 UTC 2008
>>>>> 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 . . .
Hey thank's that's pretty cool, I'll check it out!
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