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Are my RAID 5 speeds normal? ATTO Screenshot, pls look ->>

  • NAS / RAID
  • Caviar
  • Storage
Last response: in Storage
April 13, 2012 2:58:24 PM

Hi all,

I've just built a RAID 5 setup consiting of four 2TB Caviar Greens. I have now run ATTO to see the speeds its running at, and I get this...

What do you guys think, is this normal?

Many thanks!


More about : raid speeds normal atto screenshot pls

April 16, 2012 8:50:53 AM

hi guys,

thanks for your replies. Ive managed to send the drives back for a refund :)  a very good seller lol :p 

I've bought some WD RE4-GP drives, well, eight of them lol

all installed just need a RAID card, im thinking of the ASR6805 by Adaptec, although the price is very off putting! I like the idea of the software where you can have an monitor and control the RAID setup from Windows.

Not quite sure what other makes/models would be good? It needs to be an 8 port controller capable of RAID 6...

With RAID6 any 2 drives can fail I'll still have all my data. Its going to be used for storage and streaming HD video and movies etc.

April 17, 2012 3:30:09 AM

Caviar drives do not support TLER and you may experience occasional apparent disk failures. Get RE series drives.
April 18, 2012 7:22:14 PM

i havent set my RAID level up yet.

What would be the pros/cons to running RAID 50 or RAID 6? Both would be using all 8 drives.