Well I upgraded my cluster over the weekend :) To each node I added: - Intel SSD 530 for journals - 2 * 1TB WD Blue
So two OSD Nodes had: - Samsung 840 EVO SSD for Op. Sys. - Intel 530 SSD for Journals (10GB Per OSD) - 3TB WD Red - 1 TB WD Blue - 1 TB WD Blue - Each disk weighted at 1.0 - Primary affinity of the WD Red (slow) set to 0 Took about 8 hours for 1TB of data to rebalance over the OSD's Very pleased with results so far. rados benchmark: - Write bandwidth has increased from 49 MB/s to 140 MB/s - Reads have stayed roughly the same at 500 MB/s VM Benchmarks: - Actually have stayed much the same, but have more "depth" - multiple VM's share the bandwidth nicely. Users are finding their VM's *much* less laggy. Thanks for all the help and suggestions. Lindsay
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