Sunrex

I'm going to be setting up a software RAID10 4x500GB HDD, the reason I'm doing software is because my BIOS raid is likely a software raid anyway, and this way I can install GRUB on each disk (or at least I can in RAID1, not sure about 10.) so if one drive fails I can still load up the OS and repair the RAID array. And no, I don't think of raid as a backup and that is why I have a spare 1TB HDD in the server for backups.

Anyway, which HDD should I get for a all-in-one webserver with WHM/Cpanel.

http://www.newegg.com/Product/Produc...82E16822136073

http://www.newegg.com/Product/Produc...82E16822136358

I would go with the Caviar Green WD5000AADS because it has more cache, but it does not have 7200RPM like the Caviar Blue WD5000AAKS.

Will the lower RPM speed make any difference at all?. If so, how much of a difference. The cache really tempts me because the server is going to be doing MySQL queries as well.. or should I just go with the 7200RPM and forget the extra cache?.

Thanks for reading the poorly put together post .

DuckieHo

IOPs are probably more important for your needs.... I would do check some reviews.

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rastablast

10 extra dollars and you could alleviate any concern by getting a caviar black

Sunrex

The above two choices are the hard drives I am looking at. Please don't reply if you are not going to help. I am not asking people "Hey, what's the best 500GB HDD on the market!" I am asking people which of the HDD's I listed I should get, since one has lower RPM but has higher cache then the one with faster RPM.

Edit: Probably should have clarified that better in the OP, but like I said it is a poorly put together post.

DuckieHo: Hey!. How have you been, haven't seen you in a while. A google search for WD5000AADS benchmarks came up with nothing, I guess it isn't popular enough yet. I'll try searching deeper though.

eflyguy

The Seagate 7200.11 and 7200.12 500GB's are very fast, and have 32MB cache. Not sure if there are faster WD's or Samsung, but they are fast enough.

Just check you have the latest firmware if you find any 7200.11's. They had an issue a while back that could brick them. Solved a year ago but if a vendor has old stock, you might get one. Just update them (trivial - d/l ISO image, burn to CD, boot, fix drives..)
..a

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eljitto

they had caviar blacks for $60 yesterday on newegg or tiger direct (500 gb).
can't find the link, sorry

Sunrex

Ok!. How is it better then?.

Yeah. You don't know, if you did you would have posted it. Please leave my thread now since you were extremely rude. Bye bye!.

I know, its sold out =/.

Sunrex

I like WD.

eflyguy

I don't think WD makes a 500GB drive as fast as the 7200.11 Seagate, but I'm not going to try and find out.

I do know, however, that the 640GB Black is a little bit faster than the 500GB 7200.11.

Reason: two 320GB platters vs. two 250GB platters. Same rotational speed. Higher density.

The 640 black came out like the day after I bought my 7200.11's! Still, I'm happy - they rock with virtual machines..
..a

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Sunrex

I already have the potential hard drives listed in the OP, I just need to know which of the two will be better in a webserver/MySQL environment on RAID10. One has a bigger cache, but lower RPM. The other one has higher RPM but a smaller cache. Cache is important for MySQL queries but I don't know if the lower RPM will actually decrease performance, and that is why I am asking on here since I don't know much about hard drives .