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Old 07-29-2008   #8 (permalink)
Dave


 
 

Re: Is RAID worth it?

My 2.5 year old Gateway FX-510X came with XP MCE and a RAID 0 array ( 2x250
GB) since it was designed as a media machine.
I'm still running RAID 0 under Vista and it works great.


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Vista Home Premium 32 SP1
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"Anthony [MVP]" <anthony@xxxxxx-reply.com> wrote in message
news:ul3RmBY8IHA.4988@xxxxxx
Quote:

> Ron,
> If you want speed, then you need to be looking for SCSI or SAS drives, 15k
> RPM. A high end workstation will be built like this. Its only part of the
> overall performance, but for example if you are editing images or movie
> files you will certainly notice it.
> An array controller will speed things up marginally for a given speed of
> disk, because you have a read/write cache. I don't know of anyone who
> implements RAID in order to achieve speed, though. Its for fault
> tolerance.
> Anthony,
> http://www.airdesk.com
>
>
>
>
> "Ron O'Brien" <castcall@xxxxxx> wrote in message
> news:e9g5atX8IHA.1196@xxxxxx
Quote:

>> Anthony
>>
>> Thanks for your response, which does help.
>>
>> I am also wondering about the speed aspect of RAID. I understand that
>> RAID0 gives the fastest speeds, but offers no recovery benefits, whereas
>> RAID1 offers the facility to just replace a drive (in theory at least -
>> it wasn't quite as straight forward when this happened to me some time
>> ago!) but whilst RAID1 speed is better than a non-RAID system it does not
>> offer the speed advantages of RAID0.
>>
>> Which then leads to the next obvious question, would you 'actually'
>> notice the speed benefits or would you just be kidding yourself that this
>> new RAID1 set up is brilliantly fast simply because it is newly setup and
>> has no clutter, no fragmented files, no left-over uninstall debrie etc
>> etc that you 'old' PC had.
>>
>> Also, we all know that you can buy two identical components one of which
>> could be far faster and more efficient than the other, so again, you have
>> to ask how efficient the rest of your setup is, including the hard drives
>> (and even the leads) when added to the RAID1 setup, again if any such
>> component has marginally passed the manufacturers quality control tests,
>> would their impact further reduce the RAID1 speed benefits - to possibly
>> less than a good non-RAID system
>>
>> Ron
>
>
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