[CentOS] Recommendations for a “real RAID" 1 card on Centos box

[Toby Bluhm]

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 ?


-- 
Toby Bluhm
Alltech Medical Systems America, Inc.
30825 Aurora Road Suite 100
Solon Ohio 44139
440-424-2240