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Anyone know much about SATA RAID....?

Discussion in 'Desktop & Laptop Computers Forum' started by HSC, Jun 8, 2005.

  1. HSC

    HSC
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    Hi All,
    Anyone know the answer to the following:

    1./ if you had 2 disks making up a raid0 array - is it possible to add more disks to the volume at a later date without breaking the data...?
    2./ do all disks have to be the same type/capacity..?
     
  2. owain_thomas

    owain_thomas
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    Hi HSC,

    adding new disks later is not a feature that most RAID cards offer, some do but they tend to be at the more expensive end as far as I know. Look for a feature called "online expansion" in the literature of the card.

    The disks in a RAID array don't HAVE to be the same type/capacity but its probably a good idea that they are. If you are doing some sort of mirroring then using two disks of differing sizes would mean that you'd only have the capacity of the smaller one.
     
  3. Da_Rude_Baboon

    Da_Rude_Baboon
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    You should also be aware that putting drives into RAID 0 can actually lower performance over a single drive and even if it does increase the perfomance you probably wont notice it.

    Storage review have a nice article on it here.
     

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