We are currently running on an EMC SAN. Did I hear you correctly, we should have databases, backups, temp, and logs on the same LUN? Thanks.

No, you want to put them on different LUNs.  IBM is currently recommending that on the XIV array that everything can be put on a single LUN as the LUN is spread over all the disks in the array.  For an EMC array you’ll want to have separate LUNs for each.

Denny

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