Has anyone used Dynamics with the new PCI-e SSD drives like the OCZ Z-Drive or any of the drives by fusion IO? I"m looking at installing a new server for the next release of GP and would like to use those drives. We currently have three partitions (OS, Data, Logs) to keep I/O separate, but with the SSD's, I think that's less of a concern.
Thoughts?
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I have been using a PCIe based Samsung 840 250GB SSD on my desktop for a couple of weeks and I love this setup. I previously used a SanDisk 64GB SSD and it was noticeably slower than my HDD. With the Samsung 840 I don't notice any difference, it's just as fast as my HDD. The thing that I love most is that I booted up my computer with the card and within a minute I was off and running. That is how quick the Samsung 840 is. The card costs $225.00, but after experiencing this level of performance it is worth it. This is the best upgrade you can make to your computer. Learn more from diskMFR about SSD and PC components.
You're right...the IOPS on pci-e is much higher. Fusion IO is trying to get the latency's down to what DRAM is (they're currently at 27 micro seconds or something)
Supposedly the R/W cycles on the PCI-e cards are higher (some SLC cards are on the order of 70 petabytes)
I encourage you to take a look at this link regarding Intel SSD's and enterprise loads
www.anandtech.com/.../a-look-at-enterprise-performance-of-intel-ssds
We're not using a PCI-e based but SSD drives from Intel. I believe the IOPS on PCI-e is much higher than the SSD SATA-based. So far, we haven't had problems yet (based on 7 months of usage). Read and write of GP databases are super fast compared to SATA (don't khow about SAS since we've never used those). As Intel stated that their drives can withstand up to 2 million database transactions a day (before dead cell can occur, I assume). I guess the PCI-e base SSD could last about the same since they're both NAND-based flash memory. Because our transactions are only a fraction of Intel's number, therefore, I hope our drives will last for a while.
Hope this give you some ideas about SSD.drives in general.
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