TSM for Exchange 6.4: DAG Backup/Restore Best Practices


Database Availability Group backup best practices- To decrease the load on the production Exchange server, specify that the backups are taken from a healthy passive database copy. If no passive copy is available, the backup is made from the active copy of the database. To specify that backups are taken from a healthy passive database … Continue reading TSM for Exchange 6.4: DAG Backup/Restore Best Practices →

vShield EndPoint: Lost communication with ESX module


We bought two new blades recently. When my colleague tries to configure the vShield Endpoint on the two new hosts, he always get an error ‘Lost communication with ESX module’. I SSH into the host, and checked the syslog. It complains the certificate is not yet valid. And I noticed that the time is not … Continue reading vShield EndPoint: Lost communication with ESX module →

Bash Special Variables


To better understand the bash special variables, I wrote a script to help myself. #!/bin/bash #Usage of $#echo ------------------------------------------------------------echo -e You have entered $# arguments. #Usage of $*echo ------------------------------------------------------------export IFS='-'echo -e The arguments are: "$*" \(seperated by -\) #Usage of $@echo ------------------------------------------------------------n=1for arg in "$@"do        echo -e The $n argument is: "$arg"        let n+=1done #Usage … Continue reading Bash Special Variables →

TSM: How to change retain version of the archived data?


I posted a question in a TSM discussion group regarding how to change the retain version of the data that has already been archived. Here is my question: I archived some data last year, and the retain version was set to 365 days. Now I want to keep those archived data for a longer time, … Continue reading TSM: How to change retain version of the archived data? →

RecordRoutingInfo: Unable to collect IPv4 routing table


One of my VMware Linux virtual machine takes a long time to boot. And there are couple warnings on the screen complaining RecordRoutingInfo: Unable to collect IPv4 routing table. According to VMware KB2048572, this issue occurs when the Linux iputilis package causes a delay in the boot process. A warning message appears when the guestinfo … Continue reading RecordRoutingInfo: Unable to collect IPv4 routing table →