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Old 06-26-2010, 02:25 PM   #16
ryerke
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Registered: Dec 2006
Location: Fresno CA
Distribution: Slackware 13 Slackware 13.37 ARMEDSlack 13.37
Posts: 89

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Quote:
Originally Posted by Richard Cranium View Post
You can always replace the drives.

It's the bleeping card that's the problem. Have the genius that is forcing you to use hardware RAID ask Adaptec what other cards can be used to replace the one that you intend to use if the card that you currently have fries/fails.

If the answer is "just buy another one of the same model", then the potential data loss is on said genius. Make sure he CCs you with that answer so when they start looking at your ass when the something goes bad, you will have something to show "hey, I warned genius person over there".

I have talked to too many friends who had used hardware RAID using a controller on the motherboard and found to their chagrin that they had to replace the failed motherboard with the exact same model to get their RAID arrays to reconstitute. (Or buy a controller card that matched the RAID controller on the original motherboard.)

I've got 4 machines around here with hardware capable RAID controllers. Every RAID device in my house is software RAID. The CPU hit is negligible with my Adaptec AIC-7892A U160/m (rev 02) and my nVidia Corporation MCP78S [GeForce 8200] SATA Controller (non-AHCI mode) (rev a2) controllers.
You may be surprised at the performance that comes from enterprise level hardware RAID when compared with consumer level SCSI-U3 especially when running a data crunching box 24/7 at full steam. I have only done this with Windows, but the difference is astounding. I don't know a lot about Adaptec and what they offer in enterprise level hardware but I do know that there is a reason that some of that stuff costs a whole lot more that what average home pc parts do.
 
Old 06-29-2010, 09:14 AM   #17
mattca
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Registered: Jan 2009
Distribution: Slackware 14.1
Posts: 333

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Thanks for the help everyone!

Quote:
Originally Posted by Richard Cranium View Post
You can always replace the drives.

It's the bleeping card that's the problem. Have the genius that is forcing you to use hardware RAID ask Adaptec what other cards can be used to replace the one that you intend to use if the card that you currently have fries/fails.

If the answer is "just buy another one of the same model", then the potential data loss is on said genius. Make sure he CCs you with that answer so when they start looking at your ass when the something goes bad, you will have something to show "hey, I warned genius person over there".
My workplace is not like most. No one will be coming after me, or "genius", when something goes bad. I work for a non-profit with an average age of maybe 22. Most of us are literally learning how to do things as we go, so when something "goes bad" it's not necessarily a surprise.

I mean, last year when I set up the software raid with an nfs server I knew nothing about raid and had never worked with nfs before. And I'm a web developer. Their expectations aren't high.
 
  


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