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For those who want to verify these important rules:
connect your i to a SAN and give it a single 400GB LUN, then boot LIC,
format disk and install LIC. Monitor SAN usage, you will see about 1/6 up to 1/8th of the available bandwidth. For example on an 8GBit SAN you will see the format goes with about 110-120MB/sec.
Then boot that LIC, create some more LUNs and add them all to the ASP. You will see the bandwidth usage go up to a multiple of the 110-120MB/sec depending on the number of LUNs you're writing to.
Same applies (as Larry wrote) for I/O a single LUN via a single channel can handle. Even with a big CPU you hardly won't see more than 10k I/O - but then do this with 40 or 100 LUNs.
I saw this when some business partners went to sell the first SSD or flash based IBM DS boxes and created 1TB LUNs for the i...
-h
Am 23.03.2020 um 15:08 schrieb DrFranken <midrange@xxxxxxxxxxxx>:
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