MCS UK Unified Communications Blog

All things UC related from Microsoft Consulting Services UK : architecture, best practice, news for Exchange and Lync, both on-premise and cloud

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  • Blog Post: Jetstress 2010 and Background Database Maintenance

    Last week a colleague from the MCM Exchange 2010 community asked some questions about disabling Exchange Server 2010 Background Database Maintenance.  Essentially they wanted to know if they disabled  the checkbox for BDM, what would happen on the passive database copies? A response came back...
  • Blog Post: Exchange 2010 - active and passive database IOPS

    I have been involved with a few escalations recently (I don't even work in support!), the cases have been mostly due to Jetstress tests failing – typically then the relationship between customer and storage vendor becomes more hostile and eventually someone points the finger at Jetstress or Exchange...
  • Blog Post: Database Maintenance in Exchange Server 2010

    If there is one area of Exchange 2010 that was poorly documented and poorly understood it has to be database maintenance.  The problem stemmed from the significant changes that we made in the store for Exchange 2010 and a confusion of terms. This has led many people in the field to get confused...
  • Blog Post: Jetstress Field Guide

    Last Updated : 21/06/2011 The field guide is released at major intervals on the Exchange Team Blog, however I have decided to keep dot release updates here to ensure that the very latest information is available to those that do a lot of Jetstress testing (yes, there are some of us that do a lot of stress...
  • Blog Post: Strange Jetstress 2010 results..?

    Are you running the latest version of Jetstress 2010 against data created using the beta ?  If so then you may see some very strange results because there are some minor updates from the beta version which mean that you cannot mix databases created using the beta version with tests run using the...
  • Blog Post: Is 3rd Party Message Archiving Necessary for Exchange Server 2010?

    Since Exchange 2010 launched I have had many discussions with customers over the use of archiving technology that removes data from Exchange and replaces it with a message stub.  This type of technology is fairly common throughout the messaging world and used to be pretty much mandatory back with...
  • Blog Post: Exchange Service Availability….For the greater good…

    I recently authored a post over at the Exchange Team Blog about Exchange ESE and Windows Disk Timeout values. http://blogs.technet.com/b/exchange/archive/2011/11/17/windows-disk-timeouts-and-exchange-server-2010.aspx Whilst writing that article and especially researching how ESE timeouts have evolved...
  • Blog Post: Jetstress 2010 – Stress test problem

    Recently one of our partner has highlighted an issue in the current version of Jetstress that means the test may run in performance mode when in fact it should be running in stress mode. What's the difference between performance and stress mode? Put simply, performance mode validates the storage performance...