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What raid setup to choose for for 8 drives on a controller? - Page 2

post #11 of 14
You need a optional key (purchased separately) to do SSD caching on that LSI controller:

http://www.lsi.com/products/storagesw/Pages/MegaRAIDFastPathSoftware.aspx

You should also give strong consideration to a cache battery backup - another expensive option, LOL. I wouldn't enable write-caching without one ... and your controller's going to be slow a molasses with write caching disabled.

If you got the money, I'd go with 7 drives in RAID 6 + 1 fast SSD and the battery backup and FastPath options for the best balance of performance and reliability.

Greg
post #12 of 14
Quote:
Originally Posted by Lord Xeb View Post

Okay, and???? Is there a point that is missing? Unless I misread/misunderstood your post.
You said don't trust amazon for speed specs. As if I weren't looking at the right specs and falling for the marketing hype. I just wanted to make it clear that I wasn't.

As far as trunking, what else would you need besides 2 dual gigabit NICs on 2 computers?
post #13 of 14
A switch that supports the right protocols, usually managed layer 2 upwards, just picked up a srw2024 from eBay for £50.

Your looking for static or dynamic teaming, Lacp more commonly.

This will allow you to team connections together and create 2gb links, but bare in mind you also need your clients to be able to read and write at that speed to see any benefit.
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post #14 of 14
Also important to remember is that LACP won't give you a single TCP/IP connection throughput greater than ONE of the links. A lot of people go through the trouble of setting up load balancing and then wonder why they only get 1 Gbps when doing a file copy from a single PC to a server. The technology does load balance and provide aggregation of bandwidth, but it's measured across multiple simultaneous connections.

Greg
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