Like Yizhar asked, the first question to find the answer to is if this is synchronous replication or periodic asynchronous.
The next questions to ask is what type if disk are the SQL servers in question sitting on, are they NL (Sata)? How are the CPGs configured for the ESX data stores? Are the SQL guests using VMDKs, RDMs/NPIV? Are the ESX data stores Thick or Thin, Eager or Lazy zeros? How many ESX hosts per data store, how many VM guests/VMDKs per data store?
The environment and problem you described is complex. Is your storage admin team separate or the same as your ESM/VM admin team?
_________________ Richard Siemers The views and opinions expressed are my own and do not necessarily reflect those of my employer.
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