On Oct 23, 2006, at 5:08 PM, Joshua D. Drake wrote:
They don't randomly change the controllers under the same name. If youorder a PERC4e/Si controller you will get the same controller every time.Actually Vivek this isn't true. Yes the hardware will likely be the same, but the firmware rev will likely be different and I have seen firmware make an incredible difference for them.
Fair enough... but you don't expect LSI to never update their firmware either, I suspect... not that I'm a big dell apologist.. they're totally off of my personally approved server vendor for db servers.
This particular controller (found in their PE1850) is incredibly fast, sustaining over 80Mb/sec writes to a mirror. I measured that during a DB mirror using slony.O.k. but my experience shows that mirroring isn't where their problem is, raid 5 or 10 is :)
Like I said, for some configurations they're great! Finding those configs is difficult.
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