[CentOS] Infrastructure HELP!

Thu Oct 29 18:02:53 UTC 2009
ML <mailinglists at MailNewsRSS.com>

Neil,
Can you explain how RAID 10 would work with 4 x 1tb drives?

Should I just get 2 x 2tb drives and mirror?

I probably dont need 4 x 1tb drives to start, maybe even 2 x 2tb. I  
can't image this growing faster than I can get money to add more  
equipment, move to Co-Lo, etc.

On Oct 29, 2009, at 10:59 AM, Neil Aggarwal wrote:

>
> If you want speed, use RAID 10.
>
> 	Neil
>
> --
> Neil Aggarwal, (281)846-8957, http://www.JAMMConsulting.com
> CentOS 5.4 KVM VPS $55/mo, no setup fee, no contract, dedicated  
> 64bit CPU
> 1GB dedicated RAM, 40GB RAID storage, 500GB/mo premium BW, Zero  
> downtime
>
>> -----Original Message-----
>> From: centos-bounces at centos.org
>> [mailto:centos-bounces at centos.org] On Behalf Of ML
>> Sent: Thursday, October 29, 2009 12:57 PM
>> To: CentOS mailing list
>> Subject: [CentOS] Infrastructure HELP!
>>
>> Hi Everyone,
>>
>> I started a social networking site and I am getting ready to go live
>> next week. I have limited fund as I am not funded yet (although
>> hopefully soon).
>>
>> I have an extra Mac Pro (I know, how can I possibly call a Mac Pro
>> dual 2.8 quad core with 16gb RAM extra). So Mac Pro quad Core, 16gb
>> RAM, 4 x 1tb RAID level Seagate drives. I was going to load
>> CentOS 5.4
>> on it, web, mysql etc, etc. This is really the only box I have that
>> would handle the site it it takes off and then I would need to add
>> more hardware and most hosting to RackSpace or something.
>>
>> My question is about initial setup. The 4 x 1TB drives. How to set
>> this up for I have some protection?
>>
>> RAID 0+1? (striped + mirrored) I would end up with 2TB useable space.
>>
>> RAID 5? so what one is a hot spare? 3TB useable space?
>>
>> What about striping the 4 1TB and mirroring that to a 4 x 1tb
>> External
>> drive enclosure?
>>
>> I want to be sure the data is protected, but machine resources and
>> money are limited.
>>
>> Thoughts are appreciated!
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