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Author Topic: USB & eSATA Disk Array RAID  (Read 1221 times)

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Offline plucks

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USB & eSATA Disk Array RAID
« on: June 11, 2008, 07:52:05 AM »
Is this external HD compatible with most any computer system?
http://www.buy.com/retail/product.asp?sku=205770649
the Disk Array RAID label i am not familiar with.

or, would this be more appropriate?
http://accessories.us.dell.com/sna/productdetail.aspx?sku=A1459415&cs=19&c=us&l=en&dgc=CJ&cid=24471&lid=566643


thanks!
« Last Edit: June 11, 2008, 07:54:42 AM by plucks »
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Offline Brian Skalinder

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Re: USB & eSATA Disk Array RAID
« Reply #1 on: June 12, 2008, 01:09:07 AM »
What's the intended usage of the HDD(s)?  Simply more storage space?  Real-time mirroring and redundancy (data is mirrored on the fly, all the time)?  Reasonable redundancy (data is mirrored once a day)?  Something else?  Do you plan to add these HDDs in addition to a disaster / recovery plan, like optical or magnetic media and / or offsite backup?
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Offline Brian Skalinder

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Re: USB & eSATA Disk Array RAID
« Reply #2 on: June 12, 2008, 01:08:15 PM »
Regarding RAID, a post I just made in a similar thread:

Personally, I think RAID is overkill for data that <a> doesn't change rapidly and <b> isn't mission-critical.  Additionally, IME most inexpensive RAID solutions use RAID controllers that I wouldn't trust any farther than I could throw them.  If I'm not going full enterprise-quality RAID, I'm not going RAID at all.  But that's me.  My solution:  reasonable redundancy without RAID.

Summary:

  • Multiple HDDs in an external case (firewire in my case, but eSATA will work just as well)
  • Mirrored nightly.  More info in the reasonable redundancy thread.

Pros:

  • Inexpensive
  • Works great
  • Easy to set up
  • Very reliable
  • Doesn't rely on a cheapo / proprietary RAID controller
  • Easily recoverable in the case of HDD crash, etc.

Cons:

  • Doesn't have the cachet of an uber-geek RAID setup
  • Less usable HDD space v. RAID5 (though same as RAID1)
« Last Edit: May 17, 2012, 11:58:46 AM by Brian Skalinder »
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