6500x Performance

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6500x Performance

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Does anyone have experience with the 48 x 10k drive 6500x array? Currently we have four arrays. One 6000e and three 6000xv's. We need to add another array and I am contemplating the viability of the 6500x. I understand the downside to lock in on this particular unit vs. available capacity over 10k spindles but I am wondering how it would compare running raid10 to the 6000xv with 15k drives in raid50? This would accompany our esx environment, about 500vm's currently.

I am afraid that the performance would not be worth the added cost vs. the additional storage that would be made available. After how many drives does a raid10's performance no longer increment? Ie. 15? 20? 60?

Thanks

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