Archive for August 11th, 2009

Get TCP statistics and KPIs in Opensolaris and Solaris 10: tcpKPI.d

Posted by Sergio Rodriguez de Guzman in DTrace on August 11, 2009

I’ve created this DTrace script to get network KPIs (Key Performance Indicators). It will print this information: * FIELDS: * DATE Time, string * OUT TCP Out Data Bytes * RET Number of Retransmited Bytes * IN TCP In Data Bytes * INDUP TCP In Duplicated Bytes * UNORD TCP In UnorderBytes * DROP TCP [...]

FacebookTwitterGoogle BookmarksLinkedInShare

, ,

No Comments

Sun Cluster Disaster Recovery two-node cluster with Root on ZFS. Node cloning.

Posted by Sergio Rodriguez de Guzman in Solaris on August 11, 2009

In this howto, we are going to recover a two node cluster using ZFS cloning techniques. The scenario is: Two-node cluster with Sun Cluster 3.2u2 Solaris 10 5/09 One node is death (completely broken). One node is alive, still running in the cluster. 1. Preparing the new node (the one replacing the death node). We [...]

FacebookTwitterGoogle BookmarksLinkedInShare

, ,

No Comments