chris.farhood.org

Fix Exchange DAG Failovers Caused by Snapshots

By changing the following thresholds you can likely prevent unexpected failover of the DAG.
cluster.exe /prop SameSubnetDelay=2000:DWORD
cluster.exe /prop CrossSubnetDelay=4000:DWORD
cluster.exe /prop CrossSubnetThreshold=10:DWORD
cluster.exe /prop SameSubnetThreshold=10:DWORD

To change back to the defaults…
cluster.exe /prop SameSubnetDelay=1000:DWORD
cluster.exe /prop CrossSubnetDelay=1000:DWORD
cluster.exe /prop CrossSubnetThreshold=5:DWORD
cluster.exe /prop SameSubnetThreshold=5:DWORD

To view your current settings.
cluster.exe /prop

How to stop an mdadm resync.

After reading through the manpage for mdadm and struggling with attempts to kill the resync processes manually I came across the checkarray command. To stop an active resync of all md raid devices “/usr/share/mdadm/checkarray -xa”. To stop a specific device “/usr/share/mdadm/checkarray -x /dev/md[123]”.

Create a bootable ESXi USB Flash Drive

1. Download the ESXi installable ISO.
2. Double-click the ISO to mount it (an icon will appear on your desktop). From there, navigate the contents of the ISO image to find VMware-VMvisor-big-3.5.0-xxxx.i386.dd.bz2 and copy it out of the ISO image into a separate folder.
3. bzcat <path to VMware-VMvisor file> | dd of=/dev/disk1

http://blog.scottlowe.org/2009/01/08/creating-a-bootable-esxi-usb-stick-on-mac-os-x/

Ubuntu 8.10 Server Released

London, October 28, 2008: Canonical Ltd. announced the upcoming availability of Ubuntu® 8.10 Server Edition for free download on 30 October. In related news Canonical also announced the simultaneous release of Ubuntu 8.10 Desktop Edition.

http://www.ubuntu.com/news/ubuntu-8.10-server

Ubuntu 8.10 Desktop Released

London, October 27, 2008: Canonical Ltd. announced the upcoming availability of Ubuntu® 8.10 Desktop Edition for free download on 30 October. In related news, Canonical also announced the simultaneous release of Ubuntu 8.10 Server Edition

http://www.ubuntu.com/news/ubuntu-8.10-desktop

Firefox 3.0 Download Day

Go get your copy

http://www.getfirefox.com

Ubuntu 8.04 LTS Released

Canonical Ltd. announced the upcoming availability of Ubuntu 8.04 LTS Desktop Edition for free download on Thursday 24 April. In related news, Canonical also announced the simultaneous release of Ubuntu 8.04 LTS Server Edition.

http://www.ubuntu.com/news/ubuntu-8.04-lts-desktop