Dear Doctor,
We're moving to server virtualization and are planning for a Storage Area Network (SAN) array to provide disk storage for all our virtual machines. My problem is choosing between the two SAN technologies, Fibre Channel (FC) and iSCSI. I know iSCSI is newer, but FC is 4 Gbps versus iSCSI's 1 Gbps. FC costs more, but I don't want to saddle our virtualization effort with a slow storage solution unnecessarily. We will be running mission-critical database applications on the SAN, and... Read the rest of entry >>
Posted @ 08/01/2008 1:01 AM By Mel Beckman
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Dear Doctor,
Over the last few weeks, our users have seen an alarming increase in e-mail bounce messages that claim we are sending spam. The messages have subjects such as "Message rejected as spam" and "Message could not be delivered: policy reject." The thing is, they're definitely from legitimate companies, not spoofed. I immediately suspected some kind of spam-spewing virus on our network, but after a careful check of our intrusion detection system (which is great about flagging... Read the rest of entry >>
Posted @ 08/01/2008 1:01 AM By Mel Beckman
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