I am having a tough time deciding on what kind of harddrive case to get. I have found a small USB only(NO AC plug) 2.5" Lappy HDD case for 20 bucks, and I thought about buying it. I want to know is are the bigger ones better, and can I get a 3.5 inch harddrive case that is powered through the USB only?
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If you go with a 3.5" case, try to get one with a built-in fan, or one that has a metal case and has the hard drive in close contact with the case. I've had a drive fail on me due to overheating in a cheap CompUSA plastic case.
Here is the case I have and like.http://www.xpcgear.com/hddhousing.html
You can use either sata or ide drives.I have a 250 gb sata drive in it now and it works great,no overheating issues.I caught it on sale for $28.00 shipped.
No, they aren't. But they are cheaper than Flash. I have also found them somewhat less reliable than the 3.5" versions.
BTW, the unofficial "USB 3.0" can supply enough power to run a 3.5" hard drive. I doubt you have any USB 3.0 ports, though, since USB 3.0 is only in the testing stage last time I checked. But IEEE1394 can also power 3.5" hard drives, although it's marginal. Of course, some 2.5" hard drives will trip a breaker with the startup current, requiring a "hard start kit" (power booster) for proper operation. I have made one out of a 5v, 2A wall wart and a USB extension cable for desktop use. I'll design a supercapacitor-based version for mobile use.
You can also try to find a hard drive enclosure that can run off a battery. A small UPS battery can easily power a 3.5" hard drive for over 4 hours!
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Originally Posted by A friend of mine who has a Linux kernel named after his girlfriend.
If I was VirtualBox, I could load my virtualization module into Hannah and boot up another kernel in the same address space.
OO, the batttery idea sounds good, and I realise that the harddrives will be somewhat costly. I have accutally decided to skip it for now and wait to see if I will accutally need more space.
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O_oa does star882 currently have a huge supply of those UPS batteries like a huge bundle pack from ebay "Lot of used UPS batteries great for hobbies" seems difficult to charge...
Anyways, how much storage do you need anyways? Those 2.5" laptop drives average $1/gig I currently use a loud 12gig drive I pulled from my thinkpad that drives me nuts as my external drive.
I don't use my external HD because I need more space but to mirror my desktop HD for backup.My desktop HD died two weeks ago and it was a pain to get it everything as it was so now everything is backed up twice on two external hard drives.I'm not taking any chances.
O_oa does star882 currently have a huge supply of those UPS batteries like a huge bundle pack from ebay "Lot of used UPS batteries great for hobbies" seems difficult to charge...
You can buy them from an electronics store. A 12v, 7AH battery (good for over 8 hours of operation) is about $18. They have some very basic protection circuits built in, but activating them destroys the battery, so you'll want to add your own. All you really need is a fuse and overdischarge protection. (I can help you design it if necessary.)
Quote:
I don't use my external HD because I need more space but to mirror my desktop HD for backup.My desktop HD died two weeks ago and it was a pain to get it everything as it was so now everything is backed up twice on two external hard drives.I'm not taking any chances.
Use RAID 1 along with a tape drive.
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Originally Posted by A friend of mine who has a Linux kernel named after his girlfriend.
If I was VirtualBox, I could load my virtualization module into Hannah and boot up another kernel in the same address space.
I have an external hard drive case I bought that has a fan in it, but it isn't USB powered, which doesn't really bother me much, and I got the case for $15 and the hard drive was $60 (160GB Desktop Drive)
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