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On Sun, Dec 08, 2013 at 07:28:52AM -0500, Daniel Feenberg wrote: > > We also have a strong need for a very fast /tmp local to each > machine. I put 2 new Samsung SSD drives in a RAID 0, but for long > sequential data (our situation) the performance was similar to local > 7,200 RPM drives. They were attached to the motherboard SATA ports - > would a RAID controller make any difference? Would more drives make > a difference? Would SAS make a difference? The NAS box is much > faster, but I don't want to overload the network with all the /tmp > traffic.. Can you afford to pay more for your /tmp? LSI and Fusion-IO, among others, offer PCIe-attached SSDs in capacities up to 2TB with claims of gigabyte-per-second transfer rates. They are, of course, expensive. -dsr-
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