[Gllug] Hard disk recommendations please

[Patrick Moody]

Dear Glluggers(as I'd like to think we're collectively known),

I am planning to expand the capacity of my server, which runs Ubuntu 10.04 LTS.  I'd like to add a 1TB disk of the low power/green sort, set up LVM on it and copy the contents of the existing(non LVM) 750GB to it, before combining the 2.  

Firstly; any comments on the viability of my plan.  Particularly any advice about using LVM as it's my first time doing it it seems like it should meet my needs in this case.

Secondly; Amazon are selling a Western Digital Caviar Green 1Tb for £40 inc delivery, which seems like a pretty good deal.  However I read some reviews of the caviar green series suggesting their power saving features aren't well suited to use in NAS boxes running Linux because the heads get parked after 8 seconds out of use and are then un-parked repeatedly.  This causes the drives to work themselves to an early death, according to the reviewers.  Is this likely to be a problem in a normal server setup as well, or is the issue more likely confined to NAS boxes?
I also found a Seagate Barracuda LP ST31000520AS - hard drive - 1 TB - SATA-300 at crescentelectronics.co.uk for £43.85 delivered.  I haven't seen so many reviews of these, but of those I saw, all were positive. 
Do you think it would be worth the extra for the seagate drive instead?

It's been a while since I bought any new hardware and with very little money to spend I'm keen to make sure I make a good choice.  Any help or advice would be greatly appreciated

Thanks

Patrick
 		 	   		  
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