Well I’ve been buried lately under a lot of LUNs. Spring is over and a customer I’m at has forgotten to do their spring cleaning! Needless to say, the LUN presentation and maintenance to their VMware clusters is a mess! In order to audit the system and ensure things were going in my favor, I wrote quite a few PowerShell code blocks/1 liners.
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Today, let’s talking about how to step by step to update Mellanox NIC firmware and driver for non-RDMA Storage Space Direct Cluster Servers. You can easy to do via follow steps.
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A pretty simple request came across my desk today. I was requested to send a report of users that were created after a specific date. Do you remember the Windows Server 2003 and prior? Before PowerShell? We had to use what I’ll term loosely as “wonderful” LDAP queries. Also the query result was pure text, we couldn’t do anything easily with it short of magical text parsing! Well here is my PowerShell script I quickly whipped up!
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Today, I am going to do stress test for NON-RDMA Storage space direct servers, the customer use their existing Cisco Catalyst 4500-x for Storage space direct servers, as we know, it doesn’t support DCB and PFC function, so, we will focus on stress test result for Storage space direct servers without enable RDMA and see how’s the performance.
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Ok, it’s time to demote existing Windows server 2003 and migrate all Windows server roles to new Windows server 2012 R2, there are no down time for Part1 steps and Part2 steps, but we need to schedule down time for Part3 steps to cut over all services.
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After done for Active Directory Preparation, now we need to install a new Windows Server 2012 R2, export data from existing windows server 2003 and then import to new Windows Server 2012 R2.
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As we know Windows Server 2003 was end support on July 14, 2015, but there are some customers still using it for some reasons. Today, my customer asked me to migrate their Windows server 2003 to Windows Server 2012 R2, there are many windows roles on that server, let’s follow below steps to migrate it with minimal downtime.
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You can use the remote move migration wizard on the Office 365 to move existing user mailboxes between the on-premises organization with the Exchange Online organization
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