If you want performance stick with RAID 10. In general the more drives (spindles) the faster the array. The Western Digital RE3 500 GB drives are a good deal. You should be able to get 4 of those in the low $200s. In RAID 10 this would give you better performance than 2 x 1TB in RAID 1. Ryan On Thu, Oct 29, 2009 at 2:36 PM, ML <mailinglists at mailnewsrss.com> wrote: > > On Oct 29, 2009, at 11:11 AM, Neil Aggarwal wrote: > >> RAID 10 is striping across mirrored drives. >> >> So, if you have 4 x 1TB drives, think of it as two separate >> 1 TB volumes. The system will write half your data to >> volume A and the other half to volume B. The data in volume >> A and B do not overlap. >> >> Now, each volume is composed of a mirrored set of drives. >> Anything written to volume A is actually stored on two drives. >> Anything written to volume B is actually stores on the other two >> drives. >> >> Does this make sense? >> Let me know if you need any more explanation. > > No it makes sense. > > I am contemplating if I really need 4 x 1tb in this system. I mean how > much space with some photo's, web pages and MySQL take up if there are > 5,000 subscribers to start up? > > Would 2 x 1TB enterprise drives be enough mirrored? > >> Also, when you move to a hosted solution, I would appreciate >> your considering my company for it. > > Sure, I will be doing a lot of research on that for sure. > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >