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Activity Forums Storage & Archiving Dual RAID Cache?

  • Dual RAID Cache?

    Posted by Thomas Morter-laing on March 22, 2011 at 1:37 pm

    If I have a dual drive RAID0 over firewire800, is it a bad idea to have two identical sized drives, both of the same brand, but with different cache sizes? (one 32mb one 16mb?)
    Thanks!

    😀
    Tom Morter-Laing
    Freelance Editor,
    Certified Apple Product Proffessional, 2010
    http://www.depictproductions.co.uk

    Sony Z5, with Rode NTG2.
    iMac 27″ intel i7 2.93GHz, 12GB RAM, ATI HD5750 [1GB GDDR5], 2TB Int. SATA with 2TB External HDD; (FW800), with Elgato Turbo H264HD.

    Ricardo Reyes replied 15 years, 1 month ago 2 Members · 1 Reply
  • 1 Reply
  • Ricardo Reyes

    March 22, 2011 at 4:34 pm

    Although it is always recomended to use the same specification drive when creating a RAID array, using different drives will result in only operating as fast as the slowest drive. Would it be a bad idea?…In your case, Not at all. Since your only using 2 drives in RAID 0, the different cache just doesn’t make a difference. Drive cache would be more important perhaps in a very large server/storage envronment with more IO requests.

    Ricardo Reyes
    Areca Technologies – US Channel
    CineRAID Systems

    ***** RAID, no matter how redundant, is not a substitute for proper and regular backups *****

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