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What Sustained Disk Transfer Rates Do You Get?

Mr. Jackson asks: "What kind of disk transfer rates (MB/s) do people get in the real world when moving around large (100s MB) files? Either every machine in our building is mis-configured, or our notions about what we were getting are way off. I've tested half a dozen machines, mostly Win2k, some Linux, by just copying a large file and timing it with a watch. 8 MB/s seems to be about average for inter-disk copies. RAID 1 (stripped) got as high as 12 MB/s after fiddling with cache settings. RAID 5 was as low as 2 MB/s. We all thought the numbers should have been around 30 MB/s."

2 of 94 comments (clear)

  1. I shan't reply. by tps12 · · Score: 2, Funny

    A gentleman does not discuss his sustained disk transfer rates in public. I assure you, however, that they are adequate for my purposes.

    --

    Karma: Good (despite my invention of the Karma: sig)
  2. Fast! by Karma+Farmer · · Score: 2, Funny

    My sustained data rate goes up to 11.