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Beware of External Hard Drives!
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Mikal kHill



Joined: 29 Jun 2002
Posts: 6852
Location: http://mikalkhill.com
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Every harddrive that isn't a solid state harddrive will fail eventually, it's not a matter of "if" it's a matter of "when." Back up things or just anticipate that you will only have them temporarily.
Post Fri Sep 13, 2013 9:14 am
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redball



Joined: 12 May 2006
Posts: 6871
Location: Northern New Jersey
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SSDs fail as well. Beyond just the NAND flash having a limited number of write cycles, the controllers can fail and they can still be physically damaged. They're not going to fail due to a mechanical part wearing out, but that doesn't mean they don't fail.

Important thing with SSDs regarding their write limitations: Don't let your drive get too full. If your controller isn't moving the data around and your drive is too full then the smaller file writes, such as swap caching, will be limited to certain areas of storage. Then those areas will reach their write threshold and start to fail, which will effectively shrink your drive and exacerbate the problem. This is even more of an issue if you have one of the newer drives with TLC NAND Flash, which is likely good for only about 1000 write cycles.

http://www.anandtech.com/show/5067/understanding-tlc-nand
http://en.wikipedia.org/wiki/Wear_leveling
Post Fri Sep 13, 2013 12:42 pm
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poisonfree



Joined: 23 Aug 2002
Posts: 1518
Location: Macramento
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For all the reasons above I have always had a boot drive , and a data storage volume that consisted of a minimum 2 drives in Raid1. In the past I have had great success replacing a drive that fails without losing data. Does anyone need a copy of commander keen or doom2? :)

This is pretty simple now that most motherboards come with SATA Raid controllers. My current system has a ssd for boot and 4x 1TB drives in Raid10. last year i did have a drive fail, which I swapped and lost no data.

If youre scared of online storage i would Look into it y'all musicians and artists, its work not losing your stuff. I will help you out as well just hit me up with Qs
Post Wed Nov 27, 2013 12:35 pm
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