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Archive for 2013

Howto Assign Multiple Public IP Addresses on Juniper SSG

Sharing Internet with Multiple public IP from same ISP: ISP Router running in bridge mode Juniper SSG5 eth0/0 doing ppoe to connect ADSL. ISP assign Public IP block as: 217.214.17.120/29 Network range will be: 217.214.17.120- 217.214.17.127. Using /29 on 2 untrust interface will give you an error, IP overlapping. To use these IP on 2 untrust […]

Unlock Samsung phone

Download SuperOneClick Root and  XVI32 Hex Editor to open the file. Method  (Terminal App) download that on your get that on your phone – Open Terminal Emulator app – Grant Super-user access to application – The following commands will be executed in current opened application: Code: – su – cat /dev/block/bml5>/sdcard/bml5.img – exit (2x) – […]

Recovering from Server 2008 CCR Cluster Failure with Forcequorum

Server 2003 and Server 2008 Cluster Models are different in the following ways: Server 2003 utilizes the Shared Quorum Model for Single Copy Clusters and utilizes Majority Node Set for Cluster Continuous Replication Clusters. Server 2008 utilizes Majority Node Set for both Single Copy Clusters and Cluster Continuous Replication Clusters.  When using Single Copy Clusters […]

Exchange 2010 Database Activation Coordination (DAC)

  Exchange 2010 introduced a vast amount of changes to the High Availability model with the addition of the Database Availability Group (DAG).  Some features of the DAG are having up to 16 members, automatic database *over to another site as long as you still have quorum, and much more.  Exchange also introduced Database Activation […]

Exchange 2010 Site Resilient DAGs and Majority Node Set Clustering – Part 1

http://www.shudnow.net/2011/08/05/exchange-2010-site-resilient-dags-and-majority-node-set-clustering-part-1/ I’ve talked about this topic in some of my other articles but wanted to create an article that talks specifically about this model and show several different examples in a Database Availability Group (DAG)’s tolerance for node and File Share Witness (FSW) failure.  Many people don’t properly understand how the Majority Node Set Clustering […]

High Availability Changes in Exchange Server 2010? DAG part 4

Introduction In part three of this multi-part article, we created the log and database LUNs, changed the path for the logs and databases, created the DAG, and added the servers to the DAG. In this fourth part of this multi-part article uncovering Exchange 2010 Database Availability Groups (DAGs), I am going to show you how […]