Chapter 7.2.1. Performance comparison of one compared to two LUNs per array
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102 SAN Volume Controller: Best Practices and Performance Guidelines A lot depends on the timing of when the workloads will run. If it is mainly OLTP during the day shift and the batch workloads run at night, there is no problem with mixing the workloads in the same MDG. If the two workloads run concurrently and if the batch workload runs with no cap or throttling and requires high levels of I/ O throughput, we recommend that wherever possible, the workloads are segregated onto different MDGs that are supported by different disks, raid arrays, and resources. 7.2 Selecting number of LUNs per array We generally recommend that LUNs are configured to use the entire ...
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