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SSD on raid card?

ViviTheMage

ViviTheMage

Lifer
I am replacing my 2x320GB RE3 drives. I was going to microcenter to pick up an OCZ Agility 2 60GB today.

Should I attach it to my 9650SE? Or just onboard?
 
You may want to try it both ways. With a single disk you may be better off running AHCI off the mainboard. Boot times will be faster.
 
Rubycon said:
You may want to try it both ways. With a single disk you may be better off running AHCI off the mainboard. Boot times will be faster.
Click to expand...

Interesting idea, the onboard SATA would be unused, except for the SSD, so I might see better numbers there.

the raid card only has 4 2TB drives right now too... @ 2.5GB/s x 4 lanes.
 
Host UNCACHED IOPS are usually lower than a single disk on AHCI and with 256MB cache this may hurt performance.

Most run small SSD as the system/boot on AHCI for proper TRIM and use other ports (ICH RAID) or a host like Adaptec/LSi/Areca/3Ware etc. to mirror spindles or set up RAID5/6 etc.
 
TRIM does not, GC should as it works internally at the drive firmware level. Of course if your free space is low GC can cause performance to suffer too when it "kicks in".
 
you will see the new raid cards (x16 and x8) will have a cut-through mode to bypass all caching and coalescing to reduce latency let the write-back cache (eMLC) on the next gen SSD's do their job.

Guaranteed. when does it have to be done by? now. since it has to ship by february.
 
I wont wait til feburary. I can get the OCZ agility 2 for 119$, might as well. Plus, I need it back up and running asap. It's my remote in box.

Sounds like i'll just slap it on the integrated controller, and not my raid card, thanks 🙂
 
I don't plan on raiding the SSD, just hooking it up to a raid card.

It sounds like the onboard sata is the best bet though, I don't want to lose TRIM.
 
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