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Need help with Raid5 hardware card

M

Miguel86

Junior Member
Hi:

I'm looking for a hardware raid5 controller card with sata support.
I have seen this card: http://www.lsi.com/products/storagecomponents/Pages/MegaRAIDSAS9240-8i.aspx

I would like to know if anyone has used it before and has experience with it.

I'm looking for a hardware raid controller card because the motherboard of the computer has raid5 support but is by sofware and read/write speed is ver very slow so i decided to search a raid5 hardware raid.

I think that LSI card has hardware raid, anyone can confirm it please?

Thanks.
 
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Personally, I would look for a model with onboard cache as you'll get much better performance being able to use write-back caching (reliably with a BBU). Also, I believe even though it's technically a hardware RAID controller, it forces the computer CPU to handle some of the processing which will hurt.
 
More than anything, this should have gone into Memory and Storage 🙂.

By the time you got RAID 5 fast enough, in Windows, you probably could have spent the money on extra drives and gone with RAID 10, instead. Without a write cache, RAID 5 write performance will be bad. Even then, you'll want the BBU, and a UPS for the whole computer, to keep it from degrading at the drop of a hat.

That LSI card will not get you faster RAID, and one that will will cost a pretty penny, unless you trawl eBay for a few weeks for certain big OEM pulls with cache, a BBU, and/or that can be cheapely upgraded with them. Still, if you have a 3-drive array now, you could go to a 4-drive RAID 10 cheaper than even the bare 9200 cards, and a 6-drive RAID 10 for less than the fancy ones (I can't find cache and BBU enabled ones new under $600, or used under $400, with just quick searches, but you might be able to find upgradable IBM or Dell models cheap enough to do it in $200-250).
 
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