January 19, 2018 at 12:08 pm
Do you know the RAID level of the "drives"? Since you are using a SAN, there's also the possibility that the log drive you see is really carved out of the same set of physical drives as others in the SAN, and it wouldn't matter then because all the operations would be random. If you actually do have dedicated physical disks for your log drive, definitely keep data off of them! If not, it would probably make sense to keep the historical data with other data anyway just for consistency and capacity planning.
January 19, 2018 at 1:20 pm
To quote our network guy:
"Transaction logs have heavy sequential write activity while database files have more random read/write activity and thus by setting the Nimble Performance Policy to match the function of the datastore we should optimize SAN access.."
So yeah, carved out of the same drive but with difference performance policies. Not sure if they actually do anything though.....
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